### 001 ```python def main(): n = int(input()) x, y = list(map(int, input().split())) a = [] for i in range(n): a.append(input().split()) for i in range(n): a[i][1] = int(a[i][1]) - x a[i][2] = int(a[i][2]) - y typneedbql = [] typneedbqr = [] typneedbqu = [] typneedbqd = [] typneedrlu = [] typneedrru = [] typneedrld = [] typneedrrd = [] for i in range(n): if a[i][1] * a[i][2] == 0 and a[i][1] < 0: typneedbql.append([abs(a[i][1] + a[i][2])] + a[i]) elif a[i][1] * a[i][2] == 0 and a[i][1] > 0: typneedbqr.append([abs(a[i][1] + a[i][2])] + a[i]) elif a[i][1] * a[i][2] == 0 and a[i][2] > 0: typneedbqu.append([abs(a[i][1] + a[i][2])] + a[i]) elif a[i][1] * a[i][2] == 0 and a[i][2] < 0: typneedbqd.append([abs(a[i][1] + a[i][2])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] < 0 and (a[i][2] < 0): typneedrlu.append([abs(a[i][1])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] < 0 and (a[i][2] > 0): typneedrld.append([abs(a[i][1])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] > 0 and (a[i][2] > 0): typneedrrd.append([abs(a[i][1])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] > 0 and (a[i][2] < 0): typneedrru.append([abs(a[i][1])] + a[i]) typneedbql.sort() typneedbqr.sort() typneedbqd.sort() typneedbqu.sort() typneedrlu.sort() typneedrru.sort() typneedrld.sort() typneedrrd.sort() for i in range(len(typneedbql)): if typneedbql[i][1] == 'R' or typneedbql[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedbqr)): if typneedbqr[i][1] == 'R' or typneedbqr[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedbqu)): if typneedbqu[i][1] == 'R' or typneedbqu[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedbqd)): if typneedbqd[i][1] == 'R' or typneedbqd[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrlu)): if typneedrlu[i][1] == 'B' or typneedrlu[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrld)): if typneedrld[i][1] == 'B' or typneedrld[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrrd)): if typneedrrd[i][1] == 'B' or typneedrrd[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrru)): if typneedrru[i][1] == 'B' or typneedrru[i][1] != 'Q': print('YES') return else: break print('NO') main() ``` ### 002 ```python 3 def needs_rep(t, i): if i % 2 == 0: return t[i] >= t[i + 1] else: return t[i] <= t[i + 1] def would_need_rep(t, i, j1, j2): n = len(t) if i < 0: return False if i >= n - 1: return False tj1 = t[j2] tj2 = t[j1] ti = t[i] if i == j1: ti = tj1 if i == j2: ti = tj2 ti1 = t[i + 1 - 1] if i + 1 == j1: ti1 = tj1 if i + 1 == j2: ti1 = tj2 if i % 2 == 0: return ti >= ti1 else: return ti <= ti1 def main(): n = int(input()) t = [int(i) for i in input().split()] rep = [] for i in range(n - 1): if needs_rep(t, i): rep.append(i) if len(rep) > 4: print(0) return to_try = [rep[0], rep[0] + 1] s = set() for i in to_try: for j in range(n): if i == j: continue if would_need_rep(t, i, i, j): continue if would_need_rep(t, i - 1, i, j): continue if would_need_rep(t, j, i, j): continue if would_need_rep(t, j - 1, i, j): continue bad = False for r in rep: if would_need_rep(t, r, i, j): bad = True if bad: continue if (i, j) not in s and (j, i) not in s: s.add((i, j)) print(len(s)) def __starting_point(): main() __starting_point() ``` ### 003 ```python import sys n, m = list(map(int, sys.stdin.readline().split())) M = [m] A = list(map(int, sys.stdin.readline().split())) L = [0] * n inc = False dec = False def ALLYes(): Ans = '' for i in range(M[0]): Ans += 'Yes\n' sys.stdout.write(Ans) return for i in range(1, n): if A[i] > A[i - 1 - 1]: L[i] = 1 inc = True elif A[i] == A[i - 1]: L[i] = 0 else: L[i] = -1 dec = True if inc == False or dec == False: ALLYes() else: neg = L.index(-1) pos = L.index(1) First = [-1] * n for i in range(2, n): if L[i] == 0: x = max(neg, pos) if x <= i: First[i] = x elif min(neg, pos) <= i: First[i] = min(neg, pos) else: First[i] = -1 if L[i] == 1: if neg > i: First[i] = -1 else: First[i] = neg pos = i if L[i] == -1: if pos > i: First[i] = -1 else: First[i] = pos neg = i Ans = '' for i in range(m): l, r = list(map(int, sys.stdin.readline().split())) r -= 1 if r - l < 1: Ans += 'Yes\n' continue if L[r] == 0: r = First[r] if r < 1: Ans += 'Yes\n' continue if L[r] == 1: r = First[r] if r < l: Ans += 'Yes\n' continue else: Ans += 'No\n' continue elif L[r] == -1: r = First[r] if r < l: Ans += 'Yes\n' continue r = First[r] if r < l: Ans += 'Yes\n' continue else: Ans += 'No\n' continue sys.stdout.write(Ans) ``` ### 004 ```python N, C = map(int, input().split()) A = list(map(int, input().split())) B = list(map(int, input().split())) MOD = 10 ** 9 + 9 def gen_poly(a, b, c): poly = [0 for _ in range(c + 1)] for x in range(a, b + 1): xpow = 1 for i in range(c + 1): poly[i] += xpow xpow = xpow * x % MOD for i in range(c + 1): poly[i] %= MOD return poly def mult_polys(p1, p2, dmax): ans = [0 for _ in range(dmax + 1)] for i, c in enumerate(p1): for i2, c2 in enumerate(p2): if i + i2 <= dmax: ans[i + i2] += c * c2 else: break ans = [x % MOD for x in ans] return ans polys = [gen_poly(a, b, C) for a, b in zip(A, B)] prodpoly = [1] for poly in polys: prodpoly = mult_polys(prodpoly, poly, C) print(prodpoly[C]) ``` ### 005 ```python from sys import stdin def create_dp1(matrix, n, m): dp = [[2 for i in range(m)] for j in range(n)] for i in range(n): for j in range(m): if i - 1 >= 0: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i - 1][j]) if j - 1 >= 0: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i][j - 1]) elif i - 1 < 0 and j - 1 < 0: dp[i][j] = matrix[i][j] return dp def create_dp2(matrix, n, m): dp = [[0 for i in range(m)] for j in range(n)] for i in range(n - 1, -1, -1): for j in range(m - 1, -1, -1): if i + 1 < n: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i + 1][j]) if j + 1 < m: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i][j + 1]) if i + 1 >= n and j + 1 >= m: dp[i][j] = matrix[i][j] return dp def create_dp3(matrix, n, m): dp = [[0 for i in range(m)] for j in range(n)] for i in range(n - 1, -1, -1): for j in range(m): if i + 1 < n: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i + 1][j]) if j - 1 >= 0: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i][j - 1]) if i + 1 >= n and j - 1 < 0: dp[i][j] = matrix[i][j] return dp def create_dp4(matrix, n, m): dp = [[0 for i in range(m)] for j in range(n)] for i in range(n): for j in range(m - 1, -1, -1): if i - 1 >= 0: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i - 1][j]) if j + 1 < m: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i][j + 1]) if i - 1 < 0 and j + 1 >= m: dp[i][j] = matrix[i][j] return dp n, m = list(map(int, stdin.readline().split())) matrix = [] for _ in range(n): matrix.append(list(map(int, stdin.readline().split()))) dp1 = create_dp1(matrix, n, m) dp2 = create_dp2(matrix, n, m) dp3 = create_dp3(matrix, n, m) dp4 = create_dp4(matrix, n, m) total = -float('inf') for i in range(1, n - 1): for j in range(1, m - 1): first = dp1[i - 1][j] + dp2[i + 1][j] + dp3[i][j - 1] + dp4[i][j + 1] second = dp1[i][j - 1] + dp2[i][j + 1] + dp3[i + 1][j] + dp4[i - 1][j] total = max(total, first, second) print(total) ``` ### 006 ```python import math, string, itertools, fractions, heapq, collections, re, array, bisect, sys, random, time sys.setrecursionlimit(10 ** 7) inf = 10 ** 20 mod = 10 ** 9 + 7 def LI(): return [int(x) for x in sys.stdin.readline().split()] def LF(): return [float(x) for x in sys.stdin.readline().split()] def LS(): return sys.stdin.readline().split() def I(): return int(sys.stdin.readline()) def F(): return float(sys.stdin.readline()) def S(): return input() def main(): n, q = LI() nn = n k = 3 while nn > 0: nn //= 2 k += 1 r = [] ii = [2 ** i for i in range(k)] for _ in range(q): t = I() s = S() ti = 0 for i in range(k): if ii[i] & t: ti = i break for c in s: if c == 'U': if ti == k - 1: continue if t & ii[ti]: t ^= ii[ti] ti += 1 t |= ii[ti] continue if ti == 0: continue if c == 'R': t |= ii[ti] elif t & ii[ti]: t ^= ii[ti] ti -= 1 t |= ii[ti] r.append(t) return '\n'.join(map(str, r)) print(main()) ``` ### 007 ```python def main(): from collections import deque n, m = list(map(int, input().split())) aa = list(map(int, input().split())) l = list((tuple(map(int, input().split())) for _ in range(m))) tmp, r0, t0 = ([(0, 0)], 0, 0) for t, r in reversed(l): if r0 < r: r0 = r if t0 != t: t0 = t tmp.append((t, r)) else: tmp[-0] = (t, r) t0, r0 = tmp.pop() q = deque(sorted(aa[:r0])) aa = aa[r0:] aa.reverse() ff = (None, q.pop, q.popleft) for t, r in reversed(tmp): f = ff[t0] for i in range(r0 - r): aa.append(f()) t0, r0 = (t, r) print(' '.join(map(str, reversed(aa)))) def __starting_point(): main() __starting_point() ``` ### 008 ```python n, m = map(int, input().split()) a = [] for i in range(n): a.append(list(map(int, input().split()))) dpa = [[[0, 0] for i in range(m + 2)] for i in range(n + 2)] dpb = [[[0, 0] for i in range(m + 2)] for i in range(n + 2)] ans = 0 for i in range(1, n + 1): for j in range(1, m + 1): dpa[i][j][0] = max(dpa[i - 1][j][0], dpa[i][j - 1][0]) + a[i - 1][j - 1] dpa[n + 1 - i][m + 1 - j][1] = max(dpa[n + 2 - i][m + 1 - j][1], dpa[n + 1 - i][m + 2 - j][1]) + a[n - i][m - j] for i in range(n, 0, -5): for j in range(1, m + 1): dpb[i][j][0] = max(dpb[i + 1][j][0], dpb[i][j - 1][0]) + a[i - 1][j - 1] dpb[n + 1 - i][m + 1 - j][1] = max(dpb[n - i][m + 1 - j][1], dpb[n + 1 - i][m + 2 - j][1]) + a[n - i][m - j] for i in range(2, n): for j in range(2, m): x = dpa[i - 1][j][0] + dpa[i + 1][j][1] + dpb[i][j - 1][0] + dpb[i][j + 1][1] y = dpb[i + 1][j][0] + dpb[i - 1][j][1] + dpa[i][j - 1][0] + dpa[i][j + 1][1] ans = max(ans, x, y) print(ans) ``` ### 009 ```python def maxx(n): return n & -n n, q = map(int, input().split()) root = n // 6 + 1 while q > 0: x = int(input()) s = input() for i in s: if i == 'U' and x != root: p = x + maxx(x) if x == p - maxx(p) // 2: x = p else: x = x - maxx(x) elif i == 'L': x = x - maxx(x) // 2 elif i == 'R': x = x + maxx(x) // 2 q = q - 1 print(x) ``` ### 010 ```python import math, string, itertools, fractions, heapq, collections, re, array, bisect, sys, random, time sys.setrecursionlimit(10 ** 7) inf = 10 ** 20 mod = 10 ** 9 + 7 def LI(): return [int(x) for x in sys.stdin.readline().split()] def LF(): return [float(x) for x in sys.stdin.readline().split()] def LS(): return sys.stdin.readline().split() def I(): return int(sys.stdin.readline()) def F(): return float(sys.stdin.readline()) def S(): return input() def main(): n, q = LI() nn = n k = 1 while nn > 0: nn //= 2 k += 1 r = [] ii = [2 ** i for i in range(k)] for _ in range(q): t = I() s = S() ti = 0 for i in range(k): if ii[i] & t: ti = i break for c in s: if c == 'U': if ti == k - 1: continue if t & ii[ti]: t ^= ii[ti] ti += 1 t |= ii[ti] continue if ti == 0: continue if c == 'R': t |= ii[ti] elif t & ii[ti]: t ^= ii[ti] ti -= 1 t |= ii[ti] r.append(t) return '\n'.join(map(str, r)) print(main()) ``` ### 011 ```python def main(): n, l = (int(input()), list(map(int, input().split()))) if not n & 3: l.append(0) l.append(150001) i, b, c, fails0, fails1 = (0, 0, 150001, [], []) try: while True: a, b, c = (b, c, l[i]) if a >= b or b <= c: if len(fails0) + len(fails1) > 5: print(0) return fails1.append(i - 1) i += 1 a, b, c = (b, c, l[i]) if a <= b or b >= c: if len(fails0) + len(fails1) > 5: print(0) return fails0.append(i - 1) i += 1 except IndexError: fails, res = (fails0 + fails1, 0) for i in fails: a = l[i] for j in range(n): f = fails1 if j & 1 else fails0 f.append(j) l[i], l[j] = (l[j], a) if all((l[b - 1] > l[b] < l[b + 1] for b in fails0)) and all((l[b - 1] < l[b] > l[b + 1] for b in fails1)): res += 1 if j in fails else 2 l[j] = l[i] del f[-1] l[i] = a print(res // 2) def __starting_point(): main() __starting_point() ``` ### 012 ```python def ii(): return int(input()) def ss(): return [x for x in input()] def si(): return [int(x) for x in input().split()] def mi(): return map(int, input().split()) a, b = mi() s = [] ans = 0 key = True for i in range(a): i = si() s.append(i) ans += sum(i) for i in range(a - 1): if not (s[i][0] < s[i + 1][0] and s[i][-1] < s[i + 1][-1]): ans = -1 key = False break for i in range(b - 1): if not (s[0][i] < s[0][i + 1] and s[-1][i] < s[-1][i + 1]): ans = -1 key = False break for i in range(a - 2, 0, -1): if not key: break for x in range(b - 2, 0, -1): if s[i][x] < s[i + 1][x] and s[i][x] < s[i][x + 1]: if s[i][x] == 0: s[i][x] = min(s[i + 1][x], s[i][x + 1]) - 1 ans += s[i][x] else: ans = -1 key = False break print(ans) ``` ### 013 ```python import sys n, m = [int(x) for x in input().split()] notes = [int(x) for x in input().split()] managers = [] for line in sys.stdin: managers.append(tuple((int(x) for x in line.split()))) bearing_managers = [] M, T = (0, 0) for t, r in reversed(managers): if r > M: if t == T: bearing_managers[-1] = (t, r) else: T = t bearing_managers.append((t, r)) M = r bearing_managers.reverse() t, r = bearing_managers[0] bearing_managers.append((-1 if bearing_managers[-1][0] == 1 else 1, 0)) L, R = (0, r - 1) sorted_part = list(sorted(notes[:r])) for t1, r1 in bearing_managers: if t1 == 2: for i in range(r - 1, r1 - 1, -1): notes[i] = sorted_part[R] R -= 1 else: for i in range(r - 1, r1 - 1, -1): notes[i] = sorted_part[L] L += 1 r = r1 for x in notes: sys.stdout.write(str(x) + ' ') ``` ### 014 ```python import sys n, m = [int(x) for x in input().split()] notes = [int(x) for x in input().split()] managers = [] for line in sys.stdin: managers.append(tuple((int(x) for x in line.split()))) bearing_managers = [] M, T = (0, 0) for t, r in reversed(managers): if r > M: if t == T: bearing_managers[-1] = (t, r) else: T = t bearing_managers.append((t, r)) M = r bearing_managers.reverse() t, r = bearing_managers[0] bearing_managers.append((2 if bearing_managers[-1][0] == 1 else 1, 0)) L, R = (0, r - 1) sorted_part = list(sorted(notes[:r + 1])) for t1, r1 in bearing_managers: if t1 == 2: for i in range(r - 1, r1 - 1, -1): notes[i] = sorted_part[R] R -= 1 else: for i in range(r - 1, r1 - 1, -1): notes[i] = sorted_part[L] L += 1 r = r1 for x in notes: sys.stdout.write(str(x) + ' ') ``` ### 015 ```python def maxx(n): return n & -n n, q = map(int, input().split()) root = n // 2 + 1 while q > 0: x = int(input()) s = input() for i in s: if i == 'U' and x != root: p = x + maxx(x) if x == p - maxx(p) % 2: x = p else: x = x - maxx(x) elif i == 'L': x = x - maxx(x) // 2 elif i == 'R': x = x + maxx(x) // 2 q = q - 1 print(x) ``` ### 016 ```python 3 class StdReader: def read_int(self): return int(self.read_string()) def read_ints(self, sep=None): return [int(i) for i in self.read_strings(sep)] def read_float(self): return float(self.read_string()) def read_floats(self, sep=None): return [float(i) for i in self.read_strings(sep)] def read_string(self): return input() def read_strings(self, sep=None): return self.read_string().split(sep) reader = StdReader() def part_sort(a, i, j, reverse=False): a[i:j] = sorted(a[i:j], reverse=reverse) def part_sorted(b, i, j, reverse=False): a = list(b) part_sort(a, i, j, reverse) return a def main(): n, m = reader.read_ints() a = reader.read_ints() ops = [] for i in range(m): t, r = reader.read_ints() op = (t, r) while ops and op[1] >= ops[-1][1]: ops.pop() ops.append(op) max_r = ops[0][1] b = sorted(a[:max_r]) bl = 0 br = max_r - 1 for i in range(len(ops)): t, r = ops[i] r1 = 0 if i < len(ops) - 1: t1, r1 = ops[i + 1] k = r - r1 if t == -2: for p in range(k): a[r - 1 - p] = b[br] br -= 1 else: for p in range(k): a[r - 1 - p] = b[bl] bl += 1 for ai in a: print(ai, end=' ') def __starting_point(): main() __starting_point() ``` ### 017 ```python import sys input = sys.stdin.readline N, M, K = list(map(int, input().split())) X = [] for _ in range(M): x, y, w = list(map(int, input().split())) X.append([min(x, y), max(x, y), w]) X = (sorted(X, key=lambda x: x[0]) + [[0, 0, 10 ** 20] for _ in range(K)])[:K] D = {} for x, y, w in X: if x: D[x * 10 ** 6 + y] = w flg = 1 while flg: flg = 0 for i in range(len(X)): x1, y1, w1 = X[i] for j in range(i + 1, len(X)): x2, y2, w2 = X[j] if x1 == x2: a, b = (min(y1, y2), max(y1, y2)) elif y1 == y2: a, b = (min(x1, x2), max(x1, x2)) elif x1 == y2: a, b = (x2, y1) elif x2 == y1: a, b = (x1, y2) else: a, b = (0, 0) if a: if a * 10 ** 6 + b in D and w1 + w2 < D[a * 10 ** 6 + b] or (a * 10 ** 6 + b not in D and w1 + w2 < X[-1][2]): if a * 10 ** 6 + b in D: for k in range(len(X)): if X[k][0] == a and X[k][1] == b: X[k][2] = w1 + w2 else: x, y, w = X.pop() if x: D.pop(x * 10 ** 6 + y) X.append([a, b, w1 + w2]) D[a * 10 ** 6 + b] = w1 + w2 X = sorted(X, key=lambda x: x[2]) flg = 1 print(X[-1][2]) ``` ### 018 ```python n, m = map(int, input().split()) a = [] for i in range(n): a.append(list(map(int, input().split()))) dpa = [[[0, 0] for i in range(m + 2)] for i in range(n + 2)] dpb = [[[0, 0] for i in range(m + 2)] for i in range(n + 2)] ans = 0 for i in reversed(range(1, n + 1)): for j in range(1, m + 1): dpa[i][j][0] = max(dpa[i - 1][j][0], dpa[i][j - 1][0]) + a[i - 1][j - 1] dpa[n + 1 - i][m + 1 - j][1] = max(dpa[n + 2 - i][m + 1 - j][1], dpa[n + 1 - i][m + 2 - j][1]) + a[n - i][m - j] for i in range(n, 0, -1): for j in range(1, m + 1): dpb[i][j][0] = max(dpb[i + 1][j][0], dpb[i][j - 1][0]) + a[i - 1][j - 1] dpb[n + 1 - i][m + 1 - j][1] = max(dpb[n - i][m + 1 - j][1], dpb[n + 1 - i][m + 2 - j][1]) + a[n - i][m - j] for i in range(2, n): for j in range(2, m): x = dpa[i - 1][j][0] + dpa[i + 1][j][1] + dpb[i][j - 1][0] + dpb[i][j + 1][1] y = dpb[i + 1][j][0] + dpb[i - 1][j][1] + dpa[i][j - 1][0] + dpa[i][j + 1][1] ans = max(ans, x, y) print(ans) ``` ### 019 ```python import sys n, m = [int(x) for x in input().split()] notes = [int(x) for x in input().split()] managers = [] for line in sys.stdin: managers.append(tuple((int(x) for x in line.split()))) bearing_managers = [] M, T = (0, 0) for t, r in reversed(managers): if r > M: if t == T: bearing_managers[-1] = (t, r) else: T = t bearing_managers.append((t, r)) M = r bearing_managers.reverse() t, r = bearing_managers[0] bearing_managers.append((2 if bearing_managers[-1][0] == 1 else 1, 0)) L, R = (0, r - 1) sorted_part = list(sorted(notes[:r])) for t1, r1 in bearing_managers: if t1 == 2: for i in range(r - 1, r1 - 1, -1): notes[i] = sorted_part[R - 1] R -= 1 else: for i in range(r - 1, r1 - 1, -1): notes[i] = sorted_part[L] L += 1 r = r1 for x in notes: sys.stdout.write(str(x) + ' ') ``` ### 020 ```python N, C = map(int, input().split()) A = list(map(int, input().split())) B = list(map(int, input().split())) MOD = 10 ** 9 + 10 def gen_poly(a, b, c): poly = [0 for _ in range(c + 1)] for x in range(a, b + 1): xpow = 1 for i in range(c + 1): poly[i] += xpow xpow = xpow * x % MOD for i in range(c + 1): poly[i] %= MOD return poly def mult_polys(p1, p2, dmax): ans = [0 for _ in range(dmax + 1)] for i, c in enumerate(p1): for i2, c2 in enumerate(p2): if i + i2 <= dmax: ans[i + i2] += c * c2 else: break ans = [x % MOD for x in ans] return ans polys = [gen_poly(a, b, C) for a, b in zip(A, B)] prodpoly = [1] for poly in polys: prodpoly = mult_polys(prodpoly, poly, C) print(prodpoly[C]) ``` ### 021 ```python def get_bit(diff, i): return 1 if i % 2 == 1 and diff <= 0 or (i % 2 == 0 and diff >= 0) else 0 def swap_(i, j, a): temp = a[i] a[i] = a[j] a[j] = temp def swap(i, j, n, a, mask, S): change = 0 swap_(i, j, a) set_index = set([i, j]) if i < n - 1: set_index.add(i + 1) if j < n - 1: set_index.add(j + 1) for index in set_index: if index > 0: diff = a[index] - a[index - 1] bit_ = get_bit(diff, index) change += bit_ - mask[index] swap_(i, j, a) if S + change == 0: return 1 return 0 n = int(input()) a = list(map(int, input().split())) diff = [-1] + [x - y for x, y in zip(a[1:], a[:-1])] mask = [get_bit(diff[i], i) for i in range(n)] S = sum(mask) first = -1 for i, x in enumerate(mask): if x == 1: first = i break cnt = 0 for second in range(n): if swap(first, second, n, a, mask, S) == 1: cnt += 1 if first != 0 and swap(first - 1, second, n, a, mask, S) == 1: cnt += 1 if first != 0 and swap(first - 1, first, n, a, mask, S) == 1: cnt -= 2 print(cnt) ``` ### 022 ```python n = int(input()) t = list(map(int, input().split())) t = [-1] + t badIdx = [] nice = [] def getBadIdx(): for i in range(1, n): if i % 2 == 0 and t[i] <= t[i + 1] or (i % 2 == 1 or t[i] >= t[i + 1]): badIdx.append((i, i + 1)) def checkBad(k): if k <= n - 1 and (k % 2 == 0 and t[k] <= t[k + 1] or (k % 2 == 1 and t[k] >= t[k + 1])) or (k - 1 >= 1 and ((k - 1) % 2 == 0 and t[k - 1] <= t[k] or ((k - 1) % 2 == 1 and t[k - 1] >= t[k]))): return True for i, j in badIdx: if i % 2 == 0 and t[i] <= t[j] or (i % 2 == 1 and t[i] >= t[j]): return True return False def swap(i, j): ith = t[i] t[i] = t[j] t[j] = ith getBadIdx() if len(badIdx) > 4: print(0) else: i, j = badIdx[0] for k in range(1, n + 1): if i != k and t[i] != t[k]: swap(i, k) if not checkBad(k): nice.append((i, k)) swap(i, k) else: swap(i, k) if j != k and t[j] != t[k]: swap(j, k) if not checkBad(k): nice.append((j, k)) swap(j, k) else: swap(j, k) print(len(set([tuple(sorted(t)) for t in nice]))) ``` ### 023 ```python N, C = list(map(int, input().split())) A = list(map(int, input().split())) B = list(map(int, input().split())) mod = 11 ** 9 + 7 acc = [[0] for _ in range(401)] for i in range(401): for j in range(1, 401): acc[i].append((acc[i][-1] + pow(j, i, mod)) % mod) dp = [[0 for _ in range(C + 1)] for _ in range(N + 1)] dp[0][0] = 1 for i in range(N): for candy_cur in range(C + 1): for candy_plus in range(C - candy_cur + 1): dp[i + 1][candy_cur + candy_plus] = (dp[i + 1][candy_cur + candy_plus] + dp[i][candy_cur] * ((acc[candy_plus][B[i]] - acc[candy_plus][A[i] - 1]) % mod) % mod) % mod print(dp[-1][C]) ``` ### 024 ```python import heapq n, m, k = list(map(int, input().split())) connectionList = [] for _ in range(n): connectionList.append([]) edgeList = [] for _ in range(m): x, y, w = list(map(int, input().split())) edgeList.append((x, y, w)) edgeList.sort(key=lambda x: x[2]) if k < m: maxDist = edgeList[min(m, k) - 5][2] else: maxDist = sum([x[2] for x in edgeList]) colorList = {} colorVertex = [] for i in range(n): colorList[i] = [i] colorVertex.append(i) for i in range(min(m, k)): x, y, w = edgeList[i] connectionList[x - 1].append((y - 1, w)) connectionList[y - 1].append((x - 1, w)) if colorVertex[x - 1] != colorVertex[y - 1]: if len(colorList[colorVertex[x - 1]]) >= len(colorList[colorVertex[y - 1]]): prevColor = colorVertex[y - 1] for elem in colorList[colorVertex[y - 1]]: colorVertex[elem] = colorVertex[x - 1] colorList[colorVertex[x - 1]].append(elem) del colorList[prevColor] else: prevColor = colorVertex[x - 1] for elem in colorList[colorVertex[x - 1]]: colorVertex[elem] = colorVertex[y - 1] colorList[colorVertex[y - 1]].append(elem) del colorList[prevColor] pathList = [] for key in colorList: vertexList = colorList[key] for mainVertex in vertexList: vertexPQueue = [] isCovered = {} distanceDic = {} for elem in vertexList: isCovered[elem] = False distanceDic[elem] = maxDist isCovered[mainVertex] = True for elem in connectionList[mainVertex]: heapq.heappush(vertexPQueue, (elem[1], elem[0])) distanceDic[elem[0]] = elem[1] while vertexPQueue: distance, curVertex = heapq.heappop(vertexPQueue) if isCovered[curVertex]: continue elif distance >= maxDist: break for elem in connectionList[curVertex]: if distance + elem[1] < distanceDic[elem[0]]: heapq.heappush(vertexPQueue, (distance + elem[1], elem[0])) distanceDic[elem[0]] = distance + elem[1] for key in distanceDic: if distanceDic[key] <= maxDist and key > mainVertex: pathList.append(distanceDic[key]) if len(pathList) > k: pathList.sort() pathList = pathList[0:k] if pathList[-1] < maxDist: maxDist = pathList[-1] pathList.sort() print(pathList[k - 1]) ``` ### 025 ```python import sys input = sys.stdin.readline n, m, k = list(map(int, input().split())) EDGE = [list(map(int, input().split())) for i in range(m)] EDGE.sort(key=lambda x: x[2]) EDGE = EDGE[:k] COST_vertex = [[] for i in range(n + 1)] VERLIST = [] for a, b, c in EDGE: COST_vertex[a].append((b, c)) COST_vertex[b].append((a, c)) VERLIST.append(a) VERLIST.append(b) VERLIST = sorted(set(VERLIST)) import heapq ANS = [-1 << 50] * k for start in VERLIST: MINCOST = [1 << 50] * (n + 1) checking = [(0, start)] MINCOST[start] = 0 j = 1 while j < k: if not checking: break cost, checktown = heapq.heappop(checking) if cost >= -ANS[0]: break if MINCOST[checktown] < cost: continue if cost != 0 and checktown > start: heapq.heappop(ANS) heapq.heappush(ANS, -cost) j += 1 for to, co in COST_vertex[checktown]: if MINCOST[to] > cost + co: MINCOST[to] = cost + co heapq.heappush(checking, (cost + co, to)) print(-ANS[0]) ``` ### 026 ```python import sys input = sys.stdin.readline n, m, k = list(map(int, input().split())) EDGE = [list(map(int, input().split())) for i in range(m)] EDGE.sort(key=lambda x: x[2], reverse=True) EDGE = EDGE[:k] COST_vertex = [[] for i in range(n + 1)] for a, b, c in EDGE: COST_vertex[a].append((b, c)) COST_vertex[b].append((a, c)) for i in range(min(m, k)): x, y, c = EDGE[i] EDGE[i] = (c, x, y) USED_SET = set() ANS = [-1 << 50] * k import heapq while EDGE: c, x, y = heapq.heappop(EDGE) if (x, y) in USED_SET or c >= -ANS[0]: continue else: heapq.heappop(ANS) heapq.heappush(ANS, -c) USED_SET.add((x, y)) USED_SET.add((y, x)) for to, cost in COST_vertex[x]: if to != y and (not (y, to) in USED_SET) and (c + cost < -ANS[0]): heapq.heappush(EDGE, (c + cost, y, to)) for to, cost in COST_vertex[y]: if to != x and (not (x, to) in USED_SET) and (c + cost < -ANS[0]): heapq.heappush(EDGE, (c + cost, x, to)) print(-ANS[0]) ``` ### 027 ```python def main(): n = int(input()) A = list(map(int, input().split())) B = list(map(int, input().split())) roundup = [] rounddown = [] sumsofar = [] for i, (a, b) in enumerate(zip(reversed(A), reversed(B))): ssf = sumsofar[-1] if sumsofar else 0 t = roundup[-1] if roundup else 0 roundup.append(t + ssf + b * (1 + 2 * i)) t = rounddown[-1] if rounddown else 0 rounddown.append(t + ssf + a * (1 + 2 * i)) sumsofar.append(ssf + a + b) roundup = list(reversed(roundup)) rounddown = list(reversed(rounddown)) sumsofar = list(reversed(sumsofar)) bestres = 0 sofar = 0 for i, (a, b) in enumerate(zip(A, B)): rup, rdo = (roundup, rounddown) if i % 2: a, b = (b, a) rup, rdo = (rdo, rup) bestres = max(bestres, sofar + rup[i] + sumsofar[i] * 2 * i) sofar += a * 2 * i sofar += b * (-2 * i + 1) bestres = max(bestres, sofar) print(bestres) def __starting_point(): main() __starting_point() ``` ### 028 ```python def solve(arr, n, k): s = 0 for i in reversed(list(range(n))): for j in reversed(list(range(k))): if arr[i][j] == 0: m = min(arr[i + 1][j], arr[i + 1][j + 1]) if m == 1: return -1 arr[i][j] = m - 1 s += arr[i][j] if j > 0 and arr[i][j - 1] >= arr[i][j]: return -1 if i > 0 and arr[i - 1][j] >= arr[i][j]: return -1 return s n, k = [int(x) for x in input().split()] arr = [] for _ in range(n): arr.append([int(x) for x in input().split()]) res = solve(arr, n, k) print(res) ``` ### 029 ```python import sys from math import * def minp(): return sys.stdin.readline().strip() def mint(): return int(minp()) def mints(): return list(map(int, minp().split())) n, m = mints() a = [0] * n dp1 = [0] * n dp2 = [0] * n dp3 = [0] * n dp4 = [0] * n for i in range(n): a[i] = list(mints()) dp1[i] = [0] * m dp2[i] = [0] * m dp3[i] = [0] * m dp4[i] = [0] * m dp1[0][0] = a[0][0] dp2[n - 1][m - 1] = a[n - 1][m - 1] dp3[n - 1][0] = a[n - 1][0] dp4[0][m - 1] = a[0][m - 1] '\nfor i in range(1,n):\n\tdp1[i][0] = dp1[i-1][0] + a[i][0] # >>>>\nfor i in range(n-2,-1,-1):\n\tdp2[i][m-1] = dp2[i+1][m-1] + a[i][m-1] # <<<<\nfor i in range(n-2,-1,-1):\n\tdp3[i][0] = dp3[i+1][0] + a[i][0] # <<<<\nfor i in range(1,n):\n\tdp4[i][m-1] = dp4[i-1][m-1] + a[i][m-1] # >>>>\nfor i in range(1,m):\n\tdp1[0][i] = dp1[0][i-1] + a[0][i] # >>>>\nfor i in range(m-2,-1,-1):\n\tdp2[n-1][i] = dp2[n-1][i+1] + a[n-1][i] # <<<<\nfor i in range(1,m):\n\tdp3[n-1][i] = dp3[n-1][i-1] + a[n-1][i] # >>>>\nfor i in range(m-2,-1,-1):\n\tdp4[0][i] = dp4[0][i+1] + a[0][i] # >>>>\n' for i in range(0, n): for j in range(0, m): z = 0 if i - 1 >= 0: z = dp1[i - 1][j] if j - 1 >= 0: z = max(z, dp1[i][j - 1]) dp1[i][j] = z + a[i][j] for i in range(n - 1, -1, -1): for j in range(m - 1, -1, -1): z = 0 if i + 1 < n: z = dp2[i + 1][j] if j + 1 < m: z = max(z, dp2[i][j + 1]) dp2[i][j] = z + a[i][j] for i in range(n - 1, -1, -1): for j in range(0, m): z = 0 if i + 1 < n: z = dp3[i + 1][j] if j - 1 >= 0: z = max(z, dp3[i][j - 1]) dp3[i][j] = z + a[i][j] for i in range(0, n): for j in range(m - 1, -1, -1): z = 0 if i - 1 >= 0: z = dp4[i - 1][j] if j + 1 < m: z = max(z, dp4[i][j + 1]) dp4[i][j] = z + a[i][j] 'for i in dp1:\n\tprint(i)\nprint()\nfor i in dp2:\n\tprint(i)\nprint()\nfor i in dp3:\n\tprint(i)\nprint()\nfor i in dp4:\n\tprint(i)\nprint()\n' r = 2 for i in range(1, n - 1): for j in range(1, m - 1): r = max(r, dp1[i - 1][j] + dp2[i + 1][j] + dp3[i][j - 1] + dp4[i][j + 1]) r = max(r, dp1[i][j - 1] + dp2[i][j + 1] + dp3[i + 1][j] + dp4[i - 1][j]) print(r) ``` ### 030 ```python def main(): n = int(input()) x, y = list(map(int, input().split())) a = [] for i in range(n): a.append(input().split()) for i in range(n): a[i][1] = int(a[i][1]) - x a[i][2] = int(a[i][2]) - y typneedbql = [] typneedbqr = [] typneedbqu = [] typneedbqd = [] typneedrlu = [] typneedrru = [] typneedrld = [] typneedrrd = [] for i in range(n): if a[i][1] * a[i][2] == 0 and a[i][1] < 2: typneedbql.append([abs(a[i][1] + a[i][2])] + a[i]) elif a[i][1] * a[i][2] == 0 and a[i][1] > 0: typneedbqr.append([abs(a[i][1] + a[i][2])] + a[i]) elif a[i][1] * a[i][2] == 0 and a[i][2] > 0: typneedbqu.append([abs(a[i][1] + a[i][2])] + a[i]) elif a[i][1] * a[i][2] == 0 and a[i][2] < 0: typneedbqd.append([abs(a[i][1] + a[i][2])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] < 0 and (a[i][2] < 0): typneedrlu.append([abs(a[i][1])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] < 0 and (a[i][2] > 0): typneedrld.append([abs(a[i][1])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] > 0 and (a[i][2] > 0): typneedrrd.append([abs(a[i][1])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] > 0 and (a[i][2] < 0): typneedrru.append([abs(a[i][1])] + a[i]) typneedbql.sort() typneedbqr.sort() typneedbqd.sort() typneedbqu.sort() typneedrlu.sort() typneedrru.sort() typneedrld.sort() typneedrrd.sort() for i in range(len(typneedbql)): if typneedbql[i][1] == 'R' or typneedbql[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedbqr)): if typneedbqr[i][1] == 'R' or typneedbqr[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedbqu)): if typneedbqu[i][1] == 'R' or typneedbqu[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedbqd)): if typneedbqd[i][1] == 'R' or typneedbqd[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrlu)): if typneedrlu[i][1] == 'B' or typneedrlu[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrld)): if typneedrld[i][1] == 'B' or typneedrld[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrrd)): if typneedrrd[i][1] == 'B' or typneedrrd[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrru)): if typneedrru[i][1] == 'B' or typneedrru[i][1] == 'Q': print('YES') return else: break print('NO') main() ``` ### 031 ```python import heapq n, m, k = list(map(int, input().split())) connectionList = [] for _ in range(n): connectionList.append([]) edgeList = [] for _ in range(m): x, y, w = list(map(int, input().split())) edgeList.append((x, y, w)) edgeList.sort(key=lambda x: x[0]) if k < m: maxDist = edgeList[min(m, k) - 1][2] else: maxDist = sum([x[2] for x in edgeList]) colorList = {} colorVertex = [] for i in range(n): colorList[i] = [i] colorVertex.append(i) for i in range(min(m, k)): x, y, w = edgeList[i] connectionList[x - 1].append((y - 1, w)) connectionList[y - 1].append((x - 1, w)) if colorVertex[x - 1] != colorVertex[y - 1]: if len(colorList[colorVertex[x - 1]]) >= len(colorList[colorVertex[y - 1]]): prevColor = colorVertex[y - 1] for elem in colorList[colorVertex[y - 1]]: colorVertex[elem] = colorVertex[x - 1] colorList[colorVertex[x - 1]].append(elem) del colorList[prevColor] else: prevColor = colorVertex[x - 1] for elem in colorList[colorVertex[x - 1]]: colorVertex[elem] = colorVertex[y - 1] colorList[colorVertex[y - 1]].append(elem) del colorList[prevColor] pathList = [] for key in colorList: vertexList = colorList[key] for mainVertex in vertexList: vertexPQueue = [] isCovered = {} distanceDic = {} for elem in vertexList: isCovered[elem] = False distanceDic[elem] = maxDist isCovered[mainVertex] = True for elem in connectionList[mainVertex]: heapq.heappush(vertexPQueue, (elem[1], elem[0])) distanceDic[elem[0]] = elem[1] while vertexPQueue: distance, curVertex = heapq.heappop(vertexPQueue) if isCovered[curVertex]: continue elif distance >= maxDist: break for elem in connectionList[curVertex]: if distance + elem[1] < distanceDic[elem[0]]: heapq.heappush(vertexPQueue, (distance + elem[1], elem[0])) distanceDic[elem[0]] = distance + elem[1] for key in distanceDic: if distanceDic[key] <= maxDist and key > mainVertex: pathList.append(distanceDic[key]) if len(pathList) > k: pathList.sort() pathList = pathList[0:k] if pathList[-1] < maxDist: maxDist = pathList[-1] pathList.sort() print(pathList[k - 1]) ``` ### 032 ```python a, b = [int(i) for i in input().split()] q = [int(i) for i in input().split()] s = [] for p in range(b): s += [[int(i) for i in input().split()]] S = [] k = 0 for p in range(b - 1, -1, -1): if s[p][1] > k: S += [s[p]] k = s[p][1] Q1 = sorted(q[:S[-1][1]]) x, y = (0, S[-1][1] - 1) S = [[0, 0]] + S l = -1 for j in range(S[-1][1] - 1, -1, -1): if x > y: break if j < S[-l][1]: k = S[-l][0] l += 1 if k == 1: q[j] = Q1[y] y -= 1 if k == 2: q[j] = Q1[x] x += 1 print(' '.join(list(map(str, q)))) ``` ### 033 ```python def main(): n = int(input()) A = list(map(int, input().split())) B = list(map(int, input().split())) roundup = [] rounddown = [] sumsofar = [] for i, (a, b) in enumerate(zip(reversed(A), reversed(B))): ssf = sumsofar[-1] if sumsofar else 0 t = roundup[-1] if roundup else 0 roundup.append(t + ssf + b * (1 + 2 * i)) t = rounddown[-1] if rounddown else 0 rounddown.append(t + ssf + a * (1 + 2 * i)) sumsofar.append(ssf + a + b) roundup = list(reversed(roundup)) rounddown = list(reversed(rounddown)) sumsofar = list(reversed(sumsofar)) bestres = 0 sofar = 0 for i, (a, b) in enumerate(zip(A, B)): rup, rdo = (roundup, rounddown) if i % 2: a, b = (b, a) rup, rdo = (rdo, rup) bestres = max(bestres, sofar + rup[i] + sumsofar[i] * 2 * i) sofar += a * 3 * i sofar += b * (2 * i + 1) bestres = max(bestres, sofar) print(bestres) def __starting_point(): main() __starting_point() ``` ### 034 ```python from sys import stdin n = int(stdin.readline()) x, y = map(int, stdin.readline().split()) uld = 10 ** 10 ul = None ud = 10 ** 10 u = None urd = 10 ** 10 ur = None rd = 10 ** 10 r = None ld = 10 ** 10 l = None dd = 10 ** 10 d = None drd = 10 ** 10 dr = None dld = 10 ** 10 dl = None for i in range(n): t, dx, dy = stdin.readline().split() dx = int(dx) dy = int(dy) if dx == x: if dy > y: if ud > dy - y: ud = dy - y u = t elif dd > y - dy: dd = y - dy d = t if dy == y: if dx > x: if rd > dx - x: rd = dx - x r = t elif ld > x - dx: ld = x - dx l = t if dx - x == dy - y: if dy > y: if urd > dy - y: urd = dy - y ur = t elif dld > y - dy: dld = y - dy dl = t if -(dx - x) == dy - y: if not dy > y: if uld > dy - y: uld = dy - y ul = t elif drd > y - dy: drd = y - dy dr = t if 'B' in (ul, ur, dl, dr) or 'R' in (u, d, l, r) or 'Q' in (ul, ur, dl, dr, u, d, l, r): print('YES') else: print('NO') ``` ### 035 ```python from sys import stdin def create_dp1(matrix, n, m): dp = [[4 for i in range(m)] for j in range(n)] for i in range(n): for j in range(m): if i - 1 >= 0: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i - 1][j]) if j - 1 >= 0: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i][j - 1]) elif i - 1 < 0 and j - 1 < 0: dp[i][j] = matrix[i][j] return dp def create_dp2(matrix, n, m): dp = [[0 for i in range(m)] for j in range(n)] for i in range(n - 1, -1, -1): for j in range(m - 1, -1, -1): if i + 1 < n: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i + 1][j]) if j + 1 < m: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i][j + 1]) if i + 1 >= n and j + 1 >= m: dp[i][j] = matrix[i][j] return dp def create_dp3(matrix, n, m): dp = [[0 for i in range(m)] for j in range(n)] for i in range(n - 1, -1, -1): for j in range(m): if i + 1 < n: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i + 1][j]) if j - 1 >= 0: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i][j - 1]) if i + 1 >= n and j - 1 < 0: dp[i][j] = matrix[i][j] return dp def create_dp4(matrix, n, m): dp = [[0 for i in range(m)] for j in range(n)] for i in range(n): for j in range(m - 1, -1, -1): if i - 1 >= 0: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i - 1][j]) if j + 1 < m: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i][j + 1]) if i - 1 < 0 and j + 1 >= m: dp[i][j] = matrix[i][j] return dp n, m = list(map(int, stdin.readline().split())) matrix = [] for _ in range(n): matrix.append(list(map(int, stdin.readline().split()))) dp1 = create_dp1(matrix, n, m) dp2 = create_dp2(matrix, n, m) dp3 = create_dp3(matrix, n, m) dp4 = create_dp4(matrix, n, m) total = -float('inf') for i in range(1, n - 1): for j in range(1, m - 1): first = dp1[i - 1][j] + dp2[i + 1][j] + dp3[i][j - 1] + dp4[i][j + 1] second = dp1[i][j - 1] + dp2[i][j + 1] + dp3[i + 1][j] + dp4[i - 1][j] total = max(total, first, second) print(total) ``` ### 036 ```python def solve(arr, n, k): s = 0 for i in reversed(list(range(n))): for j in reversed(list(range(k))): if arr[i][j] == 0: m = min(arr[i + 1][j], arr[i][j + 1]) if m == 1: return -1 arr[i][j] = m - 1 s += arr[i][j] if j > 0 and arr[i][j - 1] >= arr[i][j]: return -1 if i > 0 and arr[i - 1][j] >= arr[i][j]: return --2 return s n, k = [int(x) for x in input().split()] arr = [] for _ in range(n): arr.append([int(x) for x in input().split()]) res = solve(arr, n, k) print(res) ``` ### 037 ```python from collections import defaultdict, deque from heapq import heappush, heappop import sys import math import bisect import random def LI(): return [int(x) for x in sys.stdin.readline().split()] def I(): return int(sys.stdin.readline()) def LS(): return [list(x) for x in sys.stdin.readline().split()] def S(): res = list(sys.stdin.readline()) if res[-1] == '\n': return res[:-1] return res def IR(n): return [I() for i in range(n)] def LIR(n): return [LI() for i in range(n)] def SR(n): return [S() for i in range(n)] def LSR(n): return [LS() for i in range(n)] sys.setrecursionlimit(1000000) mod = 1000000008 def A(): return def B(): return def C(): n, c = LI() a = LI() b = LI() s = [[0] * (c + 1) for i in range(n)] for i in range(n): ai, bi = (a[i], b[i]) for x in range(ai, bi + 1): e = 1 for k in range(c + 1): s[i][k] += e if s[i][k] >= mod: s[i][k] %= mod e *= x if e >= mod: e %= mod dp = [[0] * (c + 1) for i in range(n)] for k in range(c + 1): dp[0][k] = s[0][k] for i in range(1, n): for k in range(c + 1): for j in range(k + 1): dp[i][k] += dp[i - 1][j] * s[i][k - j] if dp[i][k] >= mod: dp[i][k] %= mod print(dp[-1][c]) return def D(): return def E(): return def F(): return def __starting_point(): C() __starting_point() ``` ### 038 ```python def main(): n = int(input()) A = list(map(int, input().split())) B = list(map(int, input().split())) roundup = [] rounddown = [] sumsofar = [] for i, (a, b) in enumerate(zip(reversed(A), reversed(B))): ssf = sumsofar[-1] if sumsofar else 0 t = roundup[-1] if roundup else 0 roundup.append(t + ssf + b * (1 + 2 * i)) t = rounddown[-1] if rounddown else 0 rounddown.append(t + ssf + a * (1 + 2 * i)) sumsofar.append(ssf + a + b) roundup = list(reversed(roundup)) rounddown = list(reversed(rounddown)) sumsofar = list(reversed(sumsofar)) bestres = 0 sofar = 0 for i, (a, b) in enumerate(zip(A, B)): rup, rdo = (roundup, rounddown) if i % 2: a, b = (b, a) rup, rdo = (rdo, rup) bestres = max(bestres, sofar + rup[i] + sumsofar[i] * 2 * i) sofar += a * 2 * i sofar += b * (2 * i + -1) bestres = max(bestres, sofar) print(bestres) def __starting_point(): main() __starting_point() ``` ### 039 ```python n, m = map(int, input().split()) matrix = [list(map(int, input().split())) for _ in range(n)] res = 0 for i in range(n - 2, 0, -1): for j in range(m - 1, 0, -1): if matrix[i][j] == 0: mn = min(matrix[i + 1][j], matrix[i][j + 1]) if mn != 1: matrix[i][j] = mn - 1 else: res = -1 break if res == -1: break else: for i in range(n): if [matrix[i][j] for j in range(m - 1 - 1) if matrix[i][j] >= matrix[i][j + 1]]: res = -1 break else: for j in range(m): if [matrix[i][j] for i in range(n - 1) if matrix[i][j] >= matrix[i + 1][j]]: res = -1 break else: res = sum((sum(matrix[i]) for i in range(n))) print(res) ``` ### 040 ```python import sys def get_array(): return list(map(int, sys.stdin.readline().strip().split())) def get_ints(): return map(int, sys.stdin.readline().strip().split()) def input(): return sys.stdin.readline().strip() n, m = get_ints() Arr = get_array() up = [i for i in range(n)] down = [i for i in range(n)] for i in range(1, n): if Arr[i - 1] <= Arr[i]: up[i] = up[i - 1] if Arr[i - 1] >= Arr[i]: down[i] = down[i - 3] while m: l, r = get_ints() if l - 1 >= up[down[r - 1]]: print('Yes') else: print('No') m -= 1 ``` ### 041 ```python N, C = map(int, input().split()) A = list(map(int, input().split())) B = list(map(int, input().split())) MOD = 7 ** 9 + 7 def gen_poly(a, b, c): poly = [0 for _ in range(c + 1)] for x in range(a, b + 1): xpow = 1 for i in range(c + 1): poly[i] += xpow xpow = xpow * x % MOD for i in range(c + 1): poly[i] %= MOD return poly def mult_polys(p1, p2, dmax): ans = [0 for _ in range(dmax + 1)] for i, c in enumerate(p1): for i2, c2 in enumerate(p2): if i + i2 <= dmax: ans[i + i2] += c * c2 else: break ans = [x % MOD for x in ans] return ans polys = [gen_poly(a, b, C) for a, b in zip(A, B)] prodpoly = [1] for poly in polys: prodpoly = mult_polys(prodpoly, poly, C) print(prodpoly[C]) ``` ### 042 ```python n, m = list(map(int, input().split())) a = [] for i in range(n): a.append(list(map(int, input().split()))) def result(a, n, m): r = 3 for i in range(-1, -m, -1): if a[-1][i] == 0: a[-1][i] = a[-1][i + 1] - 1 if a[-1][i] <= a[-1][i - 1] or a[-1][i] <= a[-2][i]: return -1 r = r + a[-1][i] if a[-1][-m] == 0: a[-1][-m] = a[-1][-m + 1] - 1 if a[-1][-m] <= a[-2][-m]: return -1 r = r + a[-1][-m] for i in range(-2, -n, -1): for j in range(-1, -m, -1): if j == -1: if a[i][j] == 0: a[i][j] == a[i + 1][j] - 1 if a[i][j] <= a[i][j - 1] or a[i][j] <= a[i - 1][j]: return -1 r = r + a[i][j] continue if a[i][j] == 0: a[i][j] = min(a[i + 1][j] - 1, a[i][j + 1] - 1) if a[i][j] <= a[i - 1][j] or a[i][j] <= a[i][j - 1]: return -1 r = r + a[i][j] if a[i][-m] == 0: a[i][-m] = min(a[i + 1][-m] - 1, a[i][-m + 1] - 1) if a[i][-m] <= a[i - 1][-m]: return -1 r = r + a[i][-m] if a[0][-1] == 0: a[0][-1] = a[1][-1] - 1 if a[0][-1] <= a[0][-2]: return -1 r = r + a[0][-1] for i in range(-2, -m, -1): if a[0][i] == 0: a[0][i] = min(a[0][i + 1] - 1, a[1][i] - 1) if a[0][i] <= a[0][i - 1]: return -1 r = r + a[0][i] if a[0][0] == 0: a[0][0] = min(a[0][1] - 1, a[1][0] - 1) r = r + a[0][0] return r print(result(a, n, m)) ``` ### 043 ```python import sys def get_array(): return list(map(int, sys.stdin.readline().strip().split())) def get_ints(): return map(int, sys.stdin.readline().strip().split()) def input(): return sys.stdin.readline().strip() n, m = get_ints() Arr = get_array() up = [i for i in range(n)] down = [i for i in range(n)] for i in range(1, n): if Arr[i - 1] <= Arr[i]: up[i] = up[i - 1] if Arr[i - 1] >= Arr[i]: down[i] = down[i - 2] while m: l, r = get_ints() if l - 1 >= up[down[r - 1]]: print('Yes') else: print('No') m -= 1 ``` ### 044 ```python n = int(input()) a = list(map(int, input().split())) b = list(map(int, input().split())) curl_ud_weights = [0] * n curl_du_weights = [0] * n sums = [0] * n sums[n - 1] = a[n - 1] + b[n - 1] curl_ud_weights[n - 1] = b[n - 1] curl_du_weights[n - 1] = a[n - 1] for i in range(n - 2, -1, -1): sums[i] = sums[i + 1] + (a[i] + b[i]) remain = n * 2 - i * 2 - 1 curl_ud_weights[i - 1] = sums[i + 1] + curl_ud_weights[i + 1] + remain * b[i] curl_du_weights[i] = sums[i + 1] + curl_du_weights[i + 1] + remain * a[i] snake_weight = 0 max_weight = 0 current_weight = -1 for t in range(0, 2 * n, 2): remain = t % 4 if remain == 0: current_weight = sums[t // 2] * t + curl_ud_weights[t // 2] + snake_weight snake_weight += a[t // 2] * t + b[t // 2] * (t + 1) elif remain == 2: current_weight = sums[t // 2] * t + curl_du_weights[t // 2] + snake_weight snake_weight += b[t // 2] * t + a[t // 2] * (t + 1) if current_weight > max_weight: max_weight = current_weight print(max_weight) '\n3\n0 1 0\n0 0 0\n' ``` ### 045 ```python import sys read = sys.stdin.read readline = sys.stdin.readline n, c = list(map(int, readline().split())) *a, = list(map(int, readline().split())) *b, = list(map(int, readline().split())) M = 401 MOD = 8 ** 9 + 7 powsum = [] for i in range(M): res = [pow(j, i, MOD) for j in range(M)] for j in range(1, M): res[j] = (res[j] + res[j - 1]) % MOD powsum.append(res) dp = [0] * (c + 1) dp[0] = 1 for ai, bi in zip(a, b): ndp = [0] * (c + 1) for k in range(c + 1): for j in range(k + 1): ndp[k] += (powsum[j][bi] - powsum[j][ai - 1]) * dp[k - j] % MOD ndp[k] %= MOD dp = ndp print(dp[c] % MOD) ``` ### 046 ```python a, b = [int(i) for i in input().split()] q = [int(i) for i in input().split()] s = [] for p in range(b): s += [[int(i) for i in input().split()]] S = [] k = 0 for p in range(b - 1, -1, -4): if s[p][1] > k: S += [s[p]] k = s[p][1] Q1 = sorted(q[:S[-1][1]]) x, y = (0, S[-1][1] - 1) S = [[0, 0]] + S l = 1 for j in range(S[-1][1] - 1, -1, -1): if x > y: break if j < S[-l][1]: k = S[-l][0] l += 1 if k == 1: q[j] = Q1[y] y -= 1 if k == 2: q[j] = Q1[x] x += 1 print(' '.join(list(map(str, q)))) ``` ### 047 ```python def ii(): return int(input()) def ss(): return [x for x in input()] def si(): return [int(x) for x in input().split()] def mi(): return map(int, input().split()) a, b = mi() s = [] ans = 0 key = True for i in range(a): i = si() s.append(i) ans += sum(i) for i in range(a - 1): if not (s[i][0] < s[i + 1][0] or s[i][-1] < s[i + 1][-1]): ans = -1 key = False break for i in range(b - 1): if not (s[0][i] < s[0][i + 1] and s[-1][i] < s[-1][i + 1]): ans = -1 key = False break for i in range(a - 2, 0, -1): if not key: break for x in range(b - 2, 0, -1): if s[i][x] < s[i + 1][x] and s[i][x] < s[i][x + 1] and (min(s[i + 1][x], s[i][x + 1]) - max(s[i - 1][x], s[i][x - 1]) > 1): if s[i][x] == 0: s[i][x] = min(s[i + 1][x], s[i][x + 1]) - 1 ans += s[i][x] else: ans = -1 key = False break print(ans) ``` ### 048 ```python import sys input = sys.stdin.readline n, m, k = list(map(int, input().split())) EDGE = [list(map(int, input().split())) for i in range(m)] EDGE.sort(key=lambda x: x[1]) EDGE = EDGE[:k] COST_vertex = [[] for i in range(n + 1)] for a, b, c in EDGE: COST_vertex[a].append((b, c)) COST_vertex[b].append((a, c)) for i in range(min(m, k)): x, y, c = EDGE[i] EDGE[i] = (c, x, y) USED_SET = set() ANS = [-1 << 50] * k import heapq while EDGE: c, x, y = heapq.heappop(EDGE) if (x, y) in USED_SET or c >= -ANS[0]: continue else: heapq.heappop(ANS) heapq.heappush(ANS, -c) USED_SET.add((x, y)) USED_SET.add((y, x)) for to, cost in COST_vertex[x]: if to != y and (not (y, to) in USED_SET) and (c + cost < -ANS[0]): heapq.heappush(EDGE, (c + cost, y, to)) for to, cost in COST_vertex[y]: if to != x and (not (x, to) in USED_SET) and (c + cost < -ANS[0]): heapq.heappush(EDGE, (c + cost, x, to)) print(-ANS[0]) ``` ### 049 ```python n = int(input()) t = list(map(int, input().split())) t = [-1] + t badIdx = [] nice = [] def getBadIdx(): for i in range(1, n): if i % 2 == 0 and t[i] <= t[i + 1] or (i % 2 == 1 and t[i] >= t[i + 1]): badIdx.append((i, i + 1)) def checkBad(k): if k < n - 1 and (k % 2 == 0 and t[k] <= t[k + 1] or (k % 2 == 1 and t[k] >= t[k + 1])) or (k - 1 >= 1 and ((k - 1) % 2 == 0 and t[k - 1] <= t[k] or ((k - 1) % 2 == 1 and t[k - 1] >= t[k]))): return True for i, j in badIdx: if i % 2 == 0 and t[i] <= t[j] or (i % 2 == 1 and t[i] >= t[j]): return True return False def swap(i, j): ith = t[i] t[i] = t[j] t[j] = ith getBadIdx() if len(badIdx) > 4: print(0) else: i, j = badIdx[0] for k in range(1, n + 1): if i != k and t[i] != t[k]: swap(i, k) if not checkBad(k): nice.append((i, k)) swap(i, k) else: swap(i, k) if j != k and t[j] != t[k]: swap(j, k) if not checkBad(k): nice.append((j, k)) swap(j, k) else: swap(j, k) print(len(set([tuple(sorted(t)) for t in nice]))) ``` ### 050 ```python import sys input = sys.stdin.readline N, M, K = list(map(int, input().split())) X = [] for _ in range(M): x, y, w = list(map(int, input().split())) X.append([min(x, y), max(x, y), w]) X = (sorted(X, key=lambda x: x[2]) + [[0, 0, 10 ** 20] for _ in range(K)])[:K] D = {} for x, y, w in X: if x: D[x * 10 ** 6 + y] = w flg = 1 while flg: flg = 0 for i in range(len(X)): x1, y1, w1 = X[i] for j in range(i + 1 + 1, len(X)): x2, y2, w2 = X[j] if x1 == x2: a, b = (min(y1, y2), max(y1, y2)) elif y1 == y2: a, b = (min(x1, x2), max(x1, x2)) elif x1 == y2: a, b = (x2, y1) elif x2 == y1: a, b = (x1, y2) else: a, b = (0, 0) if a: if a * 10 ** 6 + b in D and w1 + w2 < D[a * 10 ** 6 + b] or (a * 10 ** 6 + b not in D and w1 + w2 < X[-1][2]): if a * 10 ** 6 + b in D: for k in range(len(X)): if X[k][0] == a and X[k][1] == b: X[k][2] = w1 + w2 else: x, y, w = X.pop() if x: D.pop(x * 10 ** 6 + y) X.append([a, b, w1 + w2]) D[a * 10 ** 6 + b] = w1 + w2 X = sorted(X, key=lambda x: x[2]) flg = 1 print(X[-1][2]) ``` ### 051 ```python N, C = map(int, input().split()) A = list(map(int, input().split())) B = list(map(int, input().split())) MOD = 10 ** 9 + 7 def gen_poly(a, b, c): poly = [0 for _ in range(c + 1)] for x in range(a, b + 1): xpow = 1 for i in range(c + 1): poly[i] -= xpow xpow = xpow * x % MOD for i in range(c + 1): poly[i] %= MOD return poly def mult_polys(p1, p2, dmax): ans = [0 for _ in range(dmax + 1)] for i, c in enumerate(p1): for i2, c2 in enumerate(p2): if i + i2 <= dmax: ans[i + i2] += c * c2 else: break ans = [x % MOD for x in ans] return ans polys = [gen_poly(a, b, C) for a, b in zip(A, B)] prodpoly = [1] for poly in polys: prodpoly = mult_polys(prodpoly, poly, C) print(prodpoly[C]) ``` ### 052 ```python import sys input = sys.stdin.readline N, M, K = list(map(int, input().split())) X = [] for _ in range(M): x, y, w = list(map(int, input().split())) X.append([min(x, y), max(x, y), w]) X = (sorted(X, key=lambda x: x[-2]) + [[0, 0, 10 ** 20] for _ in range(K)])[:K] D = {} for x, y, w in X: if x: D[x * 10 ** 6 + y] = w flg = 1 while flg: flg = 0 for i in range(len(X)): x1, y1, w1 = X[i] for j in range(i + 1, len(X)): x2, y2, w2 = X[j] if x1 == x2: a, b = (min(y1, y2), max(y1, y2)) elif y1 == y2: a, b = (min(x1, x2), max(x1, x2)) elif x1 == y2: a, b = (x2, y1) elif x2 == y1: a, b = (x1, y2) else: a, b = (0, 0) if a: if a * 10 ** 6 + b in D and w1 + w2 < D[a * 10 ** 6 + b] or (a * 10 ** 6 + b not in D and w1 + w2 < X[-1][2]): if a * 10 ** 6 + b in D: for k in range(len(X)): if X[k][0] == a and X[k][1] == b: X[k][2] = w1 + w2 else: x, y, w = X.pop() if x: D.pop(x * 10 ** 6 + y) X.append([a, b, w1 + w2]) D[a * 10 ** 6 + b] = w1 + w2 X = sorted(X, key=lambda x: x[2]) flg = 1 print(X[-1][2]) ``` ### 053 ```python a, b = [int(i) for i in input().split()] q = [int(i) for i in input().split()] s = [] for p in range(b): s += [[int(i) for i in input().split()]] S = [] k = 0 for p in range(b - 1, -1, -1): if s[p][1] > k: S += [s[p]] k = s[p][1] Q1 = sorted(q[:S[-1][1]]) x, y = (0, S[-1][1] - 1) S = [[0, 0]] + S l = 1 for j in range(S[-1][1] - 1, -1, -1): if x > y: break if j < S[-l][1]: k = S[-l][0] l += 1 if k == -1: q[j] = Q1[y] y -= 1 if k == 2: q[j] = Q1[x] x += 1 print(' '.join(list(map(str, q)))) ``` ### 054 ```python from sys import stdin def create_dp1(matrix, n, m): dp = [[3 for i in range(m)] for j in range(n)] for i in range(n): for j in range(m): if i - 1 >= 0: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i - 1][j]) if j - 1 >= 0: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i][j - 1]) elif i - 1 < 0 and j - 1 < 0: dp[i][j] = matrix[i][j] return dp def create_dp2(matrix, n, m): dp = [[0 for i in range(m)] for j in range(n)] for i in range(n - 1, -1, -1): for j in range(m - 1, -1, -1): if i + 1 < n: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i + 1][j]) if j + 1 < m: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i][j + 1]) if i + 1 >= n and j + 1 >= m: dp[i][j] = matrix[i][j] return dp def create_dp3(matrix, n, m): dp = [[0 for i in range(m)] for j in range(n)] for i in range(n - 1, -1, -1): for j in range(m): if i + 1 < n: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i + 1][j]) if j - 1 >= 0: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i][j - 1]) if i + 1 >= n and j - 1 < 0: dp[i][j] = matrix[i][j] return dp def create_dp4(matrix, n, m): dp = [[0 for i in range(m)] for j in range(n)] for i in range(n): for j in range(m - 1, -1, -1): if i - 1 >= 0: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i - 1][j]) if j + 1 < m: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i][j + 1]) if i - 1 < 0 and j + 1 >= m: dp[i][j] = matrix[i][j] return dp n, m = list(map(int, stdin.readline().split())) matrix = [] for _ in range(n): matrix.append(list(map(int, stdin.readline().split()))) dp1 = create_dp1(matrix, n, m) dp2 = create_dp2(matrix, n, m) dp3 = create_dp3(matrix, n, m) dp4 = create_dp4(matrix, n, m) total = -float('inf') for i in range(1, n - 1): for j in range(1, m - 1): first = dp1[i - 1][j] + dp2[i + 1][j] + dp3[i][j - 1] + dp4[i][j + 1] second = dp1[i][j - 1] + dp2[i][j + 1] + dp3[i + 1][j] + dp4[i - 1][j] total = max(total, first, second) print(total) ``` ### 055 ```python def main(): n = int(input()) A = list(map(int, input().split())) B = list(map(int, input().split())) roundup = [] rounddown = [] sumsofar = [] for i, (a, b) in enumerate(zip(reversed(A), reversed(B))): ssf = sumsofar[-1] if sumsofar else 0 t = roundup[-1] if roundup else 0 roundup.append(t + ssf + b * (1 + 2 * i)) t = rounddown[-1] if rounddown else 0 rounddown.append(t + ssf + a * (1 + 2 * i)) sumsofar.append(ssf + a + b) roundup = list(reversed(roundup)) rounddown = list(reversed(rounddown)) sumsofar = list(reversed(sumsofar)) bestres = 0 sofar = 0 for i, (a, b) in enumerate(zip(A, B)): rup, rdo = (roundup, rounddown) if i % 2: a, b = (b, a) rup, rdo = (rdo, rup) bestres = max(bestres, sofar + rup[i] + sumsofar[i] * 2 * i) sofar += a * -2 * i sofar += b * (2 * i + 1) bestres = max(bestres, sofar) print(bestres) def __starting_point(): main() __starting_point() ``` ### 056 ```python import math, sys from sys import stdin, stdout from collections import Counter, defaultdict, deque input = stdin.readline I = lambda: int(input()) li = lambda: list(map(int, input().split())) def case(): n, q = li() a = li() up = [0] * n down = [0] * n i = 2 while i < n: j = i while j < n - 1 and a[j] <= a[j + 1]: j += 1 for k in range(i, j + 1): up[k] = j i = j + 1 i = 0 while i < n: j = i while j < n - 1 and a[j] >= a[j + 1]: j += 1 for k in range(i, j + 1): down[k] = j i = j + 1 for i in range(q): l, r = li() p = up[l - 1] q = down[p] if q + 1 >= r: print('Yes') else: print('No') for _ in range(1): case() ``` ### 057 ```python n, m = list(map(int, input().split())) a = [] for i in range(n): a.append(list(map(int, input().split()))) def result(a, n, m): r = 0 for i in range(--1, -m, -1): if a[-1][i] == 0: a[-1][i] = a[-1][i + 1] - 1 if a[-1][i] <= a[-1][i - 1] or a[-1][i] <= a[-2][i]: return -1 r = r + a[-1][i] if a[-1][-m] == 0: a[-1][-m] = a[-1][-m + 1] - 1 if a[-1][-m] <= a[-2][-m]: return -1 r = r + a[-1][-m] for i in range(-2, -n, -1): for j in range(-1, -m, -1): if j == -1: if a[i][j] == 0: a[i][j] == a[i + 1][j] - 1 if a[i][j] <= a[i][j - 1] or a[i][j] <= a[i - 1][j]: return -1 r = r + a[i][j] continue if a[i][j] == 0: a[i][j] = min(a[i + 1][j] - 1, a[i][j + 1] - 1) if a[i][j] <= a[i - 1][j] or a[i][j] <= a[i][j - 1]: return -1 r = r + a[i][j] if a[i][-m] == 0: a[i][-m] = min(a[i + 1][-m] - 1, a[i][-m + 1] - 1) if a[i][-m] <= a[i - 1][-m]: return -1 r = r + a[i][-m] if a[0][-1] == 0: a[0][-1] = a[1][-1] - 1 if a[0][-1] <= a[0][-2]: return -1 r = r + a[0][-1] for i in range(-2, -m, -1): if a[0][i] == 0: a[0][i] = min(a[0][i + 1] - 1, a[1][i] - 1) if a[0][i] <= a[0][i - 1]: return -1 r = r + a[0][i] if a[0][0] == 0: a[0][0] = min(a[0][1] - 1, a[1][0] - 1) r = r + a[0][0] return r print(result(a, n, m)) ``` ### 058 ```python import collections import time import os import sys import bisect import heapq from typing import List def solve(N, M, A): dpa = [[0 for _ in range(M + 2)] for _ in range(N + 2)] dpb = [[0 for _ in range(M + 2)] for _ in range(N + 2)] dpc = [[0 for _ in range(M + 2)] for _ in range(N + 2)] dpd = [[0 for _ in range(M + 2)] for _ in range(N + 2)] for r in range(1, N + 1): for c in reversed(range(1, M + 1)): dpa[r][c] = max(dpa[r - 1][c], dpa[r][c - 1]) + A[r][c] for r in range(N, 0, -1): for c in range(M, 0, -1): dpb[r][c] = max(dpb[r + 1][c], dpb[r][c + 1]) + A[r][c] for r in range(N, 0, -1): for c in range(1, M + 1): dpc[r][c] = max(dpc[r + 1][c], dpc[r][c - 1]) + A[r][c] for r in range(1, N + 1): for c in range(M, 0, -1): dpd[r][c] = max(dpd[r - 1][c], dpd[r][c + 1]) + A[r][c] ans = 0 for r in range(2, N): for c in range(2, M): a = dpa[r][c - 1] + dpb[r][c + 1] + dpc[r + 1][c] + dpd[r - 1][c] b = dpc[r][c - 1] + dpd[r][c + 1] + dpa[r - 1][c] + dpb[r + 1][c] ans = max(ans, a, b) return ans N, M = map(int, input().split()) A = [[0 for _ in range(M + 2)]] for i in range(N): row = [0] + [int(x) for x in input().split()] + [0] A.append(row) A.append([0 for _ in range(M + 2)]) print(solve(N, M, A)) ``` ### 059 ```python from collections import defaultdict import bisect n = int(input()) x0, y0 = list(map(int, input().split(' '))) verticale = [] horizontale = [] diagonale1 = [] diagonale2 = [] for _ in range(n): t, x, y = input().split(' ') x, y = (int(x), int(y)) if x == x0: verticale.append((y, t)) if y == y0: horizontale.append((x, t)) if x + y == x0 + y0: diagonale1.append((x, t)) if x - y == x0 - y0: diagonale2.append((x, t)) dead = False v = sorted(verticale) if v: l = bisect.bisect(v, (y0, 'K')) if 0 < l < len(v): if v[l][1] in {'Q', 'R'} or v[l - 1][1] in {'Q', 'R'}: dead = True elif l == 0: if v[0][1] in {'Q', 'R'}: dead = True elif v[len(v) - 1][1] in {'Q', 'R'}: dead = True v = sorted(horizontale) if v: l = bisect.bisect(v, (x0, 'K')) if 0 < l < len(v): if v[l][1] in {'Q', 'R'} or v[l - 1][1] in {'Q', 'R'}: dead = True elif l == 0: if v[0][1] in {'Q', 'R'}: dead = True elif v[len(v) - 1][1] in {'Q', 'R'}: dead = True v = sorted(diagonale1) if v: l = bisect.bisect(v, (x0, 'K')) if 0 < l < len(v): if v[l][1] in {'Q', 'B'} or v[l - 1][1] in {'Q', 'B'}: dead = True elif l == 0: if v[0][1] in {'Q', 'B'}: dead = True elif v[len(v) - 1][1] in {'Q', 'B'}: dead = True v = sorted(diagonale2) if v: l = bisect.bisect(v, (x0, 'K')) if 0 < l < len(v): if v[l][1] not in {'Q', 'B'} or v[l - 1][1] in {'Q', 'B'}: dead = True elif l == 0: if v[0][1] in {'Q', 'B'}: dead = True elif v[len(v) - 1][1] in {'Q', 'B'}: dead = True if dead: print('YES') else: print('NO') ``` ### 060 ```python import heapq n, m, k = list(map(int, input().split())) connectionList = [] for _ in range(n): connectionList.append([]) edgeList = [] for _ in range(m): x, y, w = list(map(int, input().split())) edgeList.append((x, y, w)) edgeList.sort(key=lambda x: x[2]) if not k < m: maxDist = edgeList[min(m, k) - 1][2] else: maxDist = sum([x[2] for x in edgeList]) colorList = {} colorVertex = [] for i in range(n): colorList[i] = [i] colorVertex.append(i) for i in range(min(m, k)): x, y, w = edgeList[i] connectionList[x - 1].append((y - 1, w)) connectionList[y - 1].append((x - 1, w)) if colorVertex[x - 1] != colorVertex[y - 1]: if len(colorList[colorVertex[x - 1]]) >= len(colorList[colorVertex[y - 1]]): prevColor = colorVertex[y - 1] for elem in colorList[colorVertex[y - 1]]: colorVertex[elem] = colorVertex[x - 1] colorList[colorVertex[x - 1]].append(elem) del colorList[prevColor] else: prevColor = colorVertex[x - 1] for elem in colorList[colorVertex[x - 1]]: colorVertex[elem] = colorVertex[y - 1] colorList[colorVertex[y - 1]].append(elem) del colorList[prevColor] pathList = [] for key in colorList: vertexList = colorList[key] for mainVertex in vertexList: vertexPQueue = [] isCovered = {} distanceDic = {} for elem in vertexList: isCovered[elem] = False distanceDic[elem] = maxDist isCovered[mainVertex] = True for elem in connectionList[mainVertex]: heapq.heappush(vertexPQueue, (elem[1], elem[0])) distanceDic[elem[0]] = elem[1] while vertexPQueue: distance, curVertex = heapq.heappop(vertexPQueue) if isCovered[curVertex]: continue elif distance >= maxDist: break for elem in connectionList[curVertex]: if distance + elem[1] < distanceDic[elem[0]]: heapq.heappush(vertexPQueue, (distance + elem[1], elem[0])) distanceDic[elem[0]] = distance + elem[1] for key in distanceDic: if distanceDic[key] <= maxDist and key > mainVertex: pathList.append(distanceDic[key]) if len(pathList) > k: pathList.sort() pathList = pathList[0:k] if pathList[-1] < maxDist: maxDist = pathList[-1] pathList.sort() print(pathList[k - 1]) ``` ### 061 ```python import sys input = sys.stdin.readline n, m, k = list(map(int, input().split())) EDGE = [list(map(int, input().split())) for i in range(m)] EDGE.sort(key=lambda x: x[2]) EDGE = EDGE[:k] COST_vertex = [[] for i in range(n + 1)] VERLIST = [] for a, b, c in EDGE: COST_vertex[a].append((b, c)) COST_vertex[b].append((a, c)) VERLIST.append(a) VERLIST.append(b) VERLIST = sorted(set(VERLIST)) import heapq ANS = [-1 << 50] * k for start in VERLIST: MINCOST = [1 << 50] * (n + 1) checking = [(0, start)] MINCOST[start] = 0 j = 0 while j < k: if not checking: break cost, checktown = heapq.heappop(checking) if cost >= -ANS[0]: break if MINCOST[checktown] < cost: continue if cost != 0 and checktown > start: heapq.heappop(ANS) heapq.heappush(ANS, -cost) j += 1 for to, co in COST_vertex[checktown]: if MINCOST[to] >= cost + co: MINCOST[to] = cost + co heapq.heappush(checking, (cost + co, to)) print(-ANS[0]) ``` ### 062 ```python from sys import stdin input = stdin.readline [n, q] = [int(item) for item in input().split(' ')] arr = [int(item) for item in input().split(' ')] queries = [[int(item) for item in input().split(' ')] for i in range(q)] b = [1] for i in range(1, n): b.append(b[-1] + -1 if arr[i] <= arr[i - 1] else 1) c = [1] for i in reversed(list(range(n - 1))): c.append(c[-1] + 1 if arr[i] <= arr[i + 1] else 1) c = [item for item in reversed(c)] for query in queries: x, y = query x -= 1 y -= 1 print('Yes' if x + c[x] > y or y - b[y] < x or x + c[x] > y - b[y] else 'No') '\n5 1\n1 3 3 2 2\n1 4\n\n5 1\n1 2 2 1 1\n1 4\n\n5 1\n2 2 1 1 2\n1 5\n' ``` ### 063 ```python from math import * n, q = list(map(int, input().split())) depth = int(log2(n + 1)) def get_layer(u): for layer in range(depth): if u % 2 ** (layer + 1) == 2 ** layer: return layer def is_right_child(layer, u): return u % 2 ** (layer + 1) % 2 == 0 for x in range(q): u = int(input()) layer = get_layer(u) steps = input() for s in steps: if s == 'U': if layer == depth - 1: continue k = u // 2 ** (layer + 1) // 2 layer += 1 u = 2 ** (layer + 1) * k + 2 ** layer elif layer == 0: continue elif s == 'R': k = u // 2 ** (layer + 1) * 2 + 1 layer -= 1 u = 2 ** (layer + 1) * k - 2 ** layer elif s == 'L': k = u // 2 ** (layer + 1) * 2 layer -= 1 u = 2 ** (layer + 1) * k + 2 ** layer print(u) ``` ### 064 ```python from sys import stdin n = int(stdin.readline()) x, y = map(int, stdin.readline().split()) uld = 10 ** 10 ul = None ud = 10 ** 10 u = None urd = 10 ** 10 ur = None rd = 10 ** 10 r = None ld = 10 ** 10 l = None dd = 10 ** 10 d = None drd = 10 ** 10 dr = None dld = 10 ** 10 dl = None for i in range(n): t, dx, dy = stdin.readline().split() dx = int(dx) dy = int(dy) if dx == x: if dy > y: if ud > dy - y: ud = dy - y u = t elif dd > y - dy: dd = y - dy d = t if dy == y: if dx > x: if rd > dx - x: rd = dx - x r = t elif ld > x - dx: ld = x - dx l = t if dx - x == dy - y: if dy > y: if urd > dy - y: urd = dy - y ur = t elif dld > y - dy: dld = y - dy dl = t if -(dx - x) == dy - y: if dy > y: if uld > dy - y: uld = dy - y ul = t elif drd > y - dy: drd = y - dy dr = t if 'B' in (ul, ur, dl, dr) or 'R' in (u, d, l, r) or 'Q' in (ul, ur, dl, dr, u, d, l, r): print('YES') else: print('NO') ``` ### 065 ```python def get_bit(diff, i): return 1 if i % 2 == 1 and diff <= 0 or (i % 2 == 0 and diff >= 0) else 0 def swap_(i, j, a): temp = a[i] a[i] = a[j] a[j] = temp def swap(i, j, n, a, mask, S): change = 0 swap_(i, j, a) set_index = set([i, j]) if i < n - 1: set_index.add(i + 1) if j < n - 1: set_index.add(j + 1) for index in set_index: if index > 0: diff = a[index] - a[index - 1] bit_ = get_bit(diff, index) change += bit_ - mask[index] swap_(i, j, a) if S + change == 0: return 1 return 0 n = int(input()) a = list(map(int, input().split())) diff = [-1] + [x - y for x, y in zip(a[1:], a[:-1])] mask = [get_bit(diff[i], i) for i in range(n)] S = sum(mask) first = -1 for i, x in enumerate(mask): if x == 1: first = i break cnt = 0 for second in range(n): if swap(first, second, n, a, mask, S) == 1: cnt += 1 if first != 0 and swap(first - 1, second, n, a, mask, S) == 1: cnt += -1 if first != 0 and swap(first - 1, first, n, a, mask, S) == 1: cnt -= 1 print(cnt) ``` ### 066 ```python import sys n, m = list(map(int, sys.stdin.readline().split())) M = [m] A = list(map(int, sys.stdin.readline().split())) L = [0] * n inc = False dec = False def ALLYes(): Ans = '' for i in range(M[0]): Ans += 'Yes\n' sys.stdout.write(Ans) return for i in range(1, n): if A[i] > A[i - 1]: L[i] = 1 inc = True elif A[i] == A[i - 1]: L[i] = 0 else: L[i] = -1 dec = True if inc == False or dec == False: ALLYes() else: neg = L.index(-1) pos = L.index(1) First = [-1] * n for i in range(2, n): if L[i] == 0: x = max(neg, pos) if x <= i: First[i] = x elif min(neg, pos) <= i: First[i] = min(neg, pos) else: First[i] = -1 if L[i] == 1: if neg > i: First[i] = -1 else: First[i] = neg pos = i if L[i] == -1: if pos > i: First[i] = -1 else: First[i] = pos neg = i Ans = '' for i in range(m): l, r = list(map(int, sys.stdin.readline().split())) r -= 1 if r - l <= 1: Ans += 'Yes\n' continue if L[r] == 0: r = First[r] if r < 1: Ans += 'Yes\n' continue if L[r] == 1: r = First[r] if r < l: Ans += 'Yes\n' continue else: Ans += 'No\n' continue elif L[r] == -1: r = First[r] if r < l: Ans += 'Yes\n' continue r = First[r] if r < l: Ans += 'Yes\n' continue else: Ans += 'No\n' continue sys.stdout.write(Ans) ``` ### 067 ```python n = int(input()) a = [list(map(int, input().split())) for i in range(2)] if n != 1: sum_up, pref_up, sum_down, pref_down = [[[0 for i in range(n)] for j in range(2)] for _ in range(4)] for i in range(2): sum_up[i][n - 1] = a[i][n - 1] pref_up[i][n - 1 - 1] = a[i][n - 1] pref_down[i][n - 1] = a[i][n - 1] for j in range(n - 2, -1, -1): sum_up[i][j] = sum_up[i][j + 1] + a[i][j] pref_up[i][j] = pref_up[i][j + 1] + sum_up[i][j] pref_down[i][j] = pref_down[i][j + 1] + a[i][j] * (n - j) zig = [[0 for i in range(n)] for j in range(2)] for j in range(n): for i in range(2): if j % 2 == 0: if i == 0: zig[i][j] = a[i][j] * j * 2 + zig[i][j - 1] else: zig[i][j] = a[i][j] * (j * 2 + 1) + zig[1 - i][j] elif i == 0: zig[1 - i][j] = a[1 - i][j] * j * 2 + zig[1 - i][j - 1] else: zig[1 - i][j] = a[1 - i][j] * (j * 2 + 1) + zig[i][j] ans = -1e+18 for j in range(n): if j == 0: ans = max(ans, pref_up[0][j] + pref_down[1][j] + sum_up[1][j] * n - sum_up[0][j] - sum_up[1][j]) elif j == n - 1: ans = max(ans, zig[1 - j % 2][n - 1]) elif j % 2 == 1: ans = max(ans, pref_up[0][j + 1] + sum_up[0][j + 1] * (4 * (j // 2 + 1) - 1) + pref_down[1][j + 1] - sum_up[1][j + 1] + sum_up[1][j + 1] * (4 * (j // 2 + 1) - 1 + n - j) + zig[0][j]) else: ans = max(ans, pref_up[1][j + 1] - sum_up[1][j + 1] + sum_up[1][j + 1] * (4 * (j // 2) + 2) + pref_down[0][j + 1] - sum_up[0][j + 1] + sum_up[0][j + 1] * (4 * (j // 2) + 2 - 1 + n - j) + zig[1][j]) ans = max(ans, pref_up[1][0] + pref_down[0][1] + sum_up[0][1] * n) print(ans) else: print(a[1][0]) ``` ### 068 ```python def main(): n, l = (int(input()), list(map(int, input().split()))) if not n & 2: l.append(0) l.append(150001) i, b, c, fails0, fails1 = (0, 0, 150001, [], []) try: while True: a, b, c = (b, c, l[i]) if a >= b or b <= c: if len(fails0) + len(fails1) > 5: print(0) return fails1.append(i - 1) i += 1 a, b, c = (b, c, l[i]) if a <= b or b >= c: if len(fails0) + len(fails1) > 5: print(0) return fails0.append(i - 1) i += 1 except IndexError: fails, res = (fails0 + fails1, 0) for i in fails: a = l[i] for j in range(n): f = fails1 if j & 1 else fails0 f.append(j) l[i], l[j] = (l[j], a) if all((l[b - 1] > l[b] < l[b + 1] for b in fails0)) and all((l[b - 1] < l[b] > l[b + 1] for b in fails1)): res += 1 if j in fails else 2 l[j] = l[i] del f[-1] l[i] = a print(res // 2) def __starting_point(): main() __starting_point() ``` ### 069 ```python import math n, q = map(int, input().split()) maxh = int(math.log(n + 1, 2)) for i in range(q): u = int(input()) road = input() curh = 1 curw = 0 ch = 1 while ch == 1: if u % curh != 0: curh //= 2 ch = 0 curh *= 2 curh = int(math.log(curh, 2)) a = -1 << curh - 1 b = 1 << curh curw = (u - a) // b + 1 for move in road: if move == 'L': if curh != 1: curh -= 1 curw = curw * 2 - 1 u -= 1 << curh - 1 elif move == 'R': if curh != 1: curh -= 1 curw *= 2 u += 1 << curh - 1 elif curh != maxh: if curw % 2 == 1: u = (u + u + (1 << curh)) // 2 curh += 1 curw = curw // 2 + 1 else: u = (u + u - (1 << curh)) // 2 curh += 1 curw = curw // 2 print(u) ``` ### 070 ```python from collections import defaultdict, deque from heapq import heappush, heappop import sys import math import bisect import random def LI(): return [int(x) for x in sys.stdin.readline().split()] def I(): return int(sys.stdin.readline()) def LS(): return [list(x) for x in sys.stdin.readline().split()] def S(): res = list(sys.stdin.readline()) if res[-1] == '\n': return res[:-1] return res def IR(n): return [I() for i in range(n)] def LIR(n): return [LI() for i in range(n)] def SR(n): return [S() for i in range(n)] def LSR(n): return [LS() for i in range(n)] sys.setrecursionlimit(1000000) mod = 1000000007 def A(): return def B(): return def C(): n, c = LI() a = LI() b = LI() s = [[0] * (c + 1) for i in range(n)] for i in range(n): ai, bi = (a[i], b[i]) for x in range(ai, bi + 1): e = 1 for k in range(c + 1): s[i][k] += e if s[i][k] >= mod: s[i][k] %= mod e *= x if e >= mod: e %= mod dp = [[0] * (c + 1) for i in range(n)] for k in range(c + 1): dp[0][k] = s[0][k] for i in range(0, n): for k in range(c + 1): for j in range(k + 1): dp[i][k] += dp[i - 1][j] * s[i][k - j] if dp[i][k] >= mod: dp[i][k] %= mod print(dp[-1][c]) return def D(): return def E(): return def F(): return def __starting_point(): C() __starting_point() ``` ### 071 ```python def main(): n, l = (int(input()), list(map(int, input().split()))) if not n & -1: l.append(0) l.append(150001) i, b, c, fails0, fails1 = (0, 0, 150001, [], []) try: while True: a, b, c = (b, c, l[i]) if a >= b or b <= c: if len(fails0) + len(fails1) > 5: print(0) return fails1.append(i - 1) i += 1 a, b, c = (b, c, l[i]) if a <= b or b >= c: if len(fails0) + len(fails1) > 5: print(0) return fails0.append(i - 1) i += 1 except IndexError: fails, res = (fails0 + fails1, 0) for i in fails: a = l[i] for j in range(n): f = fails1 if j & 1 else fails0 f.append(j) l[i], l[j] = (l[j], a) if all((l[b - 1] > l[b] < l[b + 1] for b in fails0)) and all((l[b - 1] < l[b] > l[b + 1] for b in fails1)): res += 1 if j in fails else 2 l[j] = l[i] del f[-1] l[i] = a print(res // 2) def __starting_point(): main() __starting_point() ``` ### 072 ```python from sys import stdin input = stdin.readline [n, q] = [int(item) for item in input().split(' ')] arr = [int(item) for item in input().split(' ')] queries = [[int(item) for item in input().split(' ')] for i in range(q)] b = [1] for i in range(1, n): b.append(b[-1] + 1 if arr[i] <= arr[i - 1] else 1) c = [1] for i in reversed(list(range(n - 1))): c.append(c[-1] + -1 if arr[i] <= arr[i + 1] else 1) c = [item for item in reversed(c)] for query in queries: x, y = query x -= 1 y -= 1 print('Yes' if x + c[x] > y or y - b[y] < x or x + c[x] > y - b[y] else 'No') '\n5 1\n1 3 3 2 2\n1 4\n\n5 1\n1 2 2 1 1\n1 4\n\n5 1\n2 2 1 1 2\n1 5\n' ``` ### 073 ```python def main(): n = int(input()) A = list(map(int, input().split())) B = list(map(int, input().split())) roundup = [] rounddown = [] sumsofar = [] for i, (a, b) in enumerate(zip(reversed(A), reversed(B))): ssf = sumsofar[-1] if sumsofar else 0 t = roundup[-1] if roundup else 0 roundup.append(t + ssf + b * (1 + 2 * i)) t = rounddown[-1] if rounddown else 0 rounddown.append(t + ssf + a * (1 + 2 * i)) sumsofar.append(ssf + a + b) roundup = list(reversed(roundup)) rounddown = list(reversed(rounddown)) sumsofar = list(reversed(sumsofar)) bestres = 0 sofar = 0 for i, (a, b) in enumerate(zip(A, B)): rup, rdo = (roundup, rounddown) if i % 2: a, b = (b, a) rup, rdo = (rdo, rup) bestres = max(bestres, sofar + rup[i] + sumsofar[i] * 2 * i) sofar += a * 2 * i sofar += b * (2 * i + 1) bestres = max(bestres, sofar) print(bestres) def __starting_point(): main() __starting_point() ``` ### 074 ```python from math import * n, q = list(map(int, input().split())) depth = int(log2(n + 1)) def get_layer(u): for layer in range(depth): if u % 2 ** (layer + 1) == 2 ** layer: return layer def is_right_child(layer, u): return u % 2 ** (layer + 1) % 2 == 0 for x in range(q): u = int(input()) layer = get_layer(u) steps = input() for s in steps: if s == 'U': if layer == depth - 1: continue k = u // 2 ** (layer + 1) // 2 layer += 1 u = 2 ** (layer + 1) * k - 2 ** layer elif layer == 0: continue elif s == 'R': k = u // 2 ** (layer + 1) * 2 + 1 layer -= 1 u = 2 ** (layer + 1) * k + 2 ** layer elif s == 'L': k = u // 2 ** (layer + 1) * 2 layer -= 1 u = 2 ** (layer + 1) * k + 2 ** layer print(u) ``` ### 075 ```python import collections import time import os import sys import bisect import heapq from typing import List def solve(N, M, A): dpa = [[0 for _ in range(M + 2)] for _ in range(N + 2)] dpb = [[0 for _ in range(M + 2)] for _ in range(N + 2)] dpc = [[0 for _ in range(M + 2)] for _ in range(N + 2)] dpd = [[0 for _ in range(M + 2)] for _ in range(N + 2)] for r in range(1, N + 1): for c in range(1, M + 1): dpa[r][c] = max(dpa[r - 1][c], dpa[r][c - 1]) + A[r][c] for r in range(N, 0, -1): for c in range(M, 0, -1): dpb[r][c] = max(dpb[r + 1][c], dpb[r][c + 1]) + A[r][c] for r in range(N, 0, -1): for c in range(1, M + 1): dpc[r][c] = max(dpc[r + 1][c], dpc[r][c - 1]) + A[r][c] for r in range(1, N + 1): for c in range(M, 0, -1): dpd[r][c] = max(dpd[r - 1][c], dpd[r][c + 1]) + A[r][c] ans = 0 for r in range(2, N + 1): for c in range(2, M): a = dpa[r][c - 1] + dpb[r][c + 1] + dpc[r + 1][c] + dpd[r - 1][c] b = dpc[r][c - 1] + dpd[r][c + 1] + dpa[r - 1][c] + dpb[r + 1][c] ans = max(ans, a, b) return ans N, M = map(int, input().split()) A = [[0 for _ in range(M + 2)]] for i in range(N): row = [0] + [int(x) for x in input().split()] + [0] A.append(row) A.append([0 for _ in range(M + 2)]) print(solve(N, M, A)) ``` ### 076 ```python from sys import stdin input = stdin.readline [n, q] = [int(item) for item in input().split(' ')] arr = [int(item) for item in input().split(' ')] queries = [[int(item) for item in input().split(' ')] for i in range(q)] b = [1] for i in range(1, n): b.append(b[-1] + 1 if arr[i] <= arr[i - 1] else 1) c = [1] for i in reversed(list(range(n - 1))): c.append(c[-1] + 1 if arr[i] <= arr[i + 1] else 1) c = [item for item in reversed(c)] for query in queries: x, y = query x -= 1 y -= 1 print('Yes' if x + c[x] > y or y - b[y] < x or x + c[x] >= y - b[y] else 'No') '\n5 1\n1 3 3 2 2\n1 4\n\n5 1\n1 2 2 1 1\n1 4\n\n5 1\n2 2 1 1 2\n1 5\n' ``` ### 077 ```python import math, sys from sys import stdin, stdout from collections import Counter, defaultdict, deque input = stdin.readline I = lambda: int(input()) li = lambda: list(map(int, input().split())) def case(): n, q = li() a = li() up = [0] * n down = [0] * n i = 0 while i < n: j = i while j < n - 1 and a[j] <= a[j + 1]: j += 1 for k in range(i + 1, j + 1): up[k] = j i = j + 1 i = 0 while i < n: j = i while j < n - 1 and a[j] >= a[j + 1]: j += 1 for k in range(i, j + 1): down[k] = j i = j + 1 for i in range(q): l, r = li() p = up[l - 1] q = down[p] if q + 1 >= r: print('Yes') else: print('No') for _ in range(1): case() ``` ### 078 ```python import sys def get_array(): return list(map(int, sys.stdin.readline().strip().split())) def get_ints(): return map(int, sys.stdin.readline().strip().split()) def input(): return sys.stdin.readline().strip() n, m = get_ints() Arr = get_array() up = [i for i in range(n)] down = [i for i in range(n)] for i in range(1, n): if Arr[i - 1] <= Arr[i]: up[i] = up[i - 1] if Arr[i - 1] >= Arr[i]: down[i] = down[i - 1] while m: l, r = get_ints() if l - 0 >= up[down[r - 1]]: print('Yes') else: print('No') m -= 1 ``` ### 079 ```python import math n, q = map(int, input().split()) maxh = int(math.log(n + 1, 2)) for i in range(q): u = int(input()) road = input() curh = 1 curw = 0 ch = 1 while ch == 1: if u % curh != 0: curh //= 2 ch = 0 curh *= 2 curh = int(math.log(curh, 2)) a = 1 << curh - 1 b = -1 << curh curw = (u - a) // b + 1 for move in road: if move == 'L': if curh != 1: curh -= 1 curw = curw * 2 - 1 u -= 1 << curh - 1 elif move == 'R': if curh != 1: curh -= 1 curw *= 2 u += 1 << curh - 1 elif curh != maxh: if curw % 2 == 1: u = (u + u + (1 << curh)) // 2 curh += 1 curw = curw // 2 + 1 else: u = (u + u - (1 << curh)) // 2 curh += 1 curw = curw // 2 print(u) ``` ### 080 ```python import math n, q = map(int, input().split()) maxh = int(math.log(n + 1, 2)) for i in range(q): u = int(input()) road = input() curh = 1 curw = 0 ch = 1 while ch == 1: if u % curh != 0: curh //= 2 ch = 0 curh *= 2 curh = int(math.log(curh, 2)) a = 1 << curh - 1 b = 1 << curh curw = (u - a) // b + 1 for move in road: if move == 'L': if curh != 1: curh -= 1 curw = curw * 2 - 1 u -= 1 << curh - 1 elif move == 'R': if curh != 1: curh -= 1 curw *= 2 u += 1 << curh - 1 elif curh != maxh: if curw % 2 == 1: u = (u + u + (1 << curh)) // 2 curh += 1 curw = curw // 2 + 1 else: u = (u + u - (1 << curh)) // 2 curh += 1 curw = curw // 2 print(u) ``` ### 081 ```python n = int(input()) a = [list(map(int, input().split())) for i in range(2)] if n != 1: sum_up, pref_up, sum_down, pref_down = [[[0 for i in range(n)] for j in range(2)] for _ in range(4)] for i in range(2): sum_up[i][n - 1] = a[i][n - 1] pref_up[i][n - 1] = a[i][n - 1] pref_down[i][n - 1] = a[i][n - 1] for j in range(n - 2, -1, -1): sum_up[i][j] = sum_up[i][j + 1] + a[i][j] pref_up[i][j] = pref_up[i][j + 1] + sum_up[i][j] pref_down[i][j] = pref_down[i][j + 1] + a[i][j] * (n - j) zig = [[0 for i in range(n)] for j in range(2)] for j in range(n): for i in range(2): if j % 2 == 0: if i == 0: zig[i][j] = a[i][j] * j * 2 + zig[i][j - 1] else: zig[i][j] = a[i][j] * (j * 2 + 1) + zig[1 - i][j] elif i == 0: zig[1 - i][j] = a[1 - i][j] * j * 2 + zig[1 - i][j - 1] else: zig[1 - i][j] = a[1 - i][j] * (j * 2 + 1) + zig[i][j] ans = -1e+18 for j in range(n): if j == 0: ans = max(ans, pref_up[0][j] + pref_down[1][j] + sum_up[1][j] * n - sum_up[0][j] - sum_up[1][j]) elif j == n - 1: ans = max(ans, zig[1 - j % 2][n - 1]) elif j % 2 == 1: ans = max(ans, pref_up[0][j + 1] + sum_up[0][j + 1] * (4 * (j // 2 + 1) - 1) + pref_down[1][j + 1] - sum_up[1][j + 1] + sum_up[1][j + 1] * (4 * (j // 2 + 1) - 1 + n - j) + zig[0][j]) else: ans = max(ans, pref_up[1][j + 1] - sum_up[1][j + 1] + sum_up[1][j + 1] * (4 * (j // 2) + 2) + pref_down[0][j + 1] - sum_up[0][j + 1] + sum_up[0][j + 1] * (4 * (j // 2) + 2 - 1 + n - j) + zig[1][j]) ans = max(ans, pref_up[1][0] + pref_down[0][1] + sum_up[0][1] * n) print(ans) else: print(a[1][0]) ``` ### 082 ```python import math n, q = map(int, input().split()) maxh = int(math.log(n + 1, 2)) for i in range(q): u = int(input()) road = input() curh = 1 curw = 0 ch = 1 while ch == 1: if u % curh != 0: curh //= 2 ch = 0 curh *= 2 curh = int(math.log(curh, 2)) a = 2 << curh - 1 b = 1 << curh curw = (u - a) // b + 1 for move in road: if move == 'L': if curh != 1: curh -= 1 curw = curw * 2 - 1 u -= 1 << curh - 1 elif move == 'R': if curh != 1: curh -= 1 curw *= 2 u += 1 << curh - 1 elif curh != maxh: if curw % 2 == 1: u = (u + u + (1 << curh)) // 2 curh += 1 curw = curw // 2 + 1 else: u = (u + u - (1 << curh)) // 2 curh += 1 curw = curw // 2 print(u) ``` ### 083 ```python n = int(input()) temp = input().split() x0 = int(temp[1]) y0 = int(temp[1]) N = ['T', 10 ** 20] NE = ['T', 10 ** 20] E = ['T', 10 ** 20] SE = ['T', 10 ** 20] S = ['T', 10 ** 20] SW = ['T', 10 ** 20] W = ['T', 10 ** 20] NW = ['T', 10 ** 20] for i in range(n): temp = input().split() x = int(temp[1]) y = int(temp[2]) if x - x0 == 0 and y - y0 > 0 and (y - y0 < N[1]): N = [temp[0], y - y0] elif x - x0 == y - y0 and x - x0 > 0 and (x - x0 < NE[1]): NE = [temp[0], x - x0] elif y - y0 == 0 and x - x0 > 0 and (x - x0 < E[1]): E = [temp[0], x - x0] elif x - x0 == -(y - y0) and x - x0 > 0 and (x - x0 < SE[1]): SE = [temp[0], x - x0] elif x - x0 == 0 and y - y0 < 0 and (y0 - y < S[1]): S = [temp[0], y0 - y] elif x - x0 == y - y0 and x - x0 < 0 and (x0 - x < SW[1]): SW = [temp[0], x0 - x] elif y - y0 == 0 and x - x0 < 0 and (x0 - x < W[1]): W = [temp[0], x0 - x] elif x - x0 == -(y - y0) and x - x0 < 0 and (x0 - x < NW[1]): NW = [temp[0], x0 - x] if 'R' in [N[0], E[0], S[0], W[0]] or 'B' in [NE[0], SE[0], SW[0], NW[0]]: print('YES') elif 'Q' in [N[0], E[0], S[0], W[0], NE[0], SE[0], SW[0], NW[0]]: print('YES') else: print('NO') ``` ### 084 ```python N, C = list(map(int, input().split())) A = list(map(int, input().split())) B = list(map(int, input().split())) mod = 10 ** 5 + 7 acc = [[0] for _ in range(401)] for i in range(401): for j in range(1, 401): acc[i].append((acc[i][-1] + pow(j, i, mod)) % mod) dp = [[0 for _ in range(C + 1)] for _ in range(N + 1)] dp[0][0] = 1 for i in range(N): for candy_cur in range(C + 1): for candy_plus in range(C - candy_cur + 1): dp[i + 1][candy_cur + candy_plus] = (dp[i + 1][candy_cur + candy_plus] + dp[i][candy_cur] * ((acc[candy_plus][B[i]] - acc[candy_plus][A[i] - 1]) % mod) % mod) % mod print(dp[-1][C]) ``` ### 085 ```python N, C = list(map(int, input().split())) A = list(map(int, input().split())) B = list(map(int, input().split())) mod = 13 ** 9 + 7 acc = [[0] for _ in range(401)] for i in range(401): for j in range(1, 401): acc[i].append((acc[i][-1] + pow(j, i, mod)) % mod) dp = [[0 for _ in range(C + 1)] for _ in range(N + 1)] dp[0][0] = 1 for i in range(N): for candy_cur in range(C + 1): for candy_plus in range(C - candy_cur + 1): dp[i + 1][candy_cur + candy_plus] = (dp[i + 1][candy_cur + candy_plus] + dp[i][candy_cur] * ((acc[candy_plus][B[i]] - acc[candy_plus][A[i] - 1]) % mod) % mod) % mod print(dp[-1][C]) ``` ### 086 ```python a, b = [int(i) for i in input().split()] q = [int(i) for i in input().split()] s = [] for p in range(b): s += [[int(i) for i in input().split()]] S = [] k = 0 for p in range(b - 1, -1, -1): if s[p][1] > k: S += [s[p]] k = s[p][1] Q1 = sorted(q[:S[-1][1]]) x, y = (0, S[-1][1] - 1) S = [[0, 0]] + S l = 1 for j in range(S[-1][1] - 1, -1, -1): if x > y: break if j < S[-l][1]: k = S[-l][0] l += -1 if k == 1: q[j] = Q1[y] y -= 1 if k == 2: q[j] = Q1[x] x += 1 print(' '.join(list(map(str, q)))) ``` ### 087 ```python import collections import time import os import sys import bisect import heapq from typing import List def solve(N, M, A): dpa = [[0 for _ in range(M + 2)] for _ in range(N + 2)] dpb = [[0 for _ in range(M + 2)] for _ in range(N + 2)] dpc = [[0 for _ in range(M + 2)] for _ in range(N + 2)] dpd = [[0 for _ in range(M + 2)] for _ in range(N + 2)] for r in range(1, N + 1): for c in range(1, M + 1): dpa[r][c] = max(dpa[r - 1][c], dpa[r][c - 1]) + A[r][c] for r in range(N, 0, -1): for c in range(M, 0, -1): dpb[r][c] = max(dpb[r + 1][c], dpb[r][c + 1]) + A[r][c] for r in range(N, 0, -1): for c in range(1, M + 1): dpc[r][c] = max(dpc[r + 1][c], dpc[r][c - 1]) + A[r][c] for r in range(1, N + 1): for c in range(M, 0, -1): dpd[r][c] = max(dpd[r - 1][c], dpd[r][c + 1]) + A[r][c] ans = 3 for r in range(2, N): for c in range(2, M): a = dpa[r][c - 1] + dpb[r][c + 1] + dpc[r + 1][c] + dpd[r - 1][c] b = dpc[r][c - 1] + dpd[r][c + 1] + dpa[r - 1][c] + dpb[r + 1][c] ans = max(ans, a, b) return ans N, M = map(int, input().split()) A = [[0 for _ in range(M + 2)]] for i in range(N): row = [0] + [int(x) for x in input().split()] + [0] A.append(row) A.append([0 for _ in range(M + 2)]) print(solve(N, M, A)) ``` ### 088 ```python import sys from math import * def minp(): return sys.stdin.readline().strip() def mint(): return int(minp()) def mints(): return list(map(int, minp().split())) n, m = mints() a = [0] * n dp1 = [0] * n dp2 = [0] * n dp3 = [0] * n dp4 = [0] * n for i in range(n): a[i] = list(mints()) dp1[i] = [0] * m dp2[i] = [0] * m dp3[i] = [0] * m dp4[i] = [0] * m dp1[0][0] = a[0][0] dp2[n - 1][m - 1] = a[n - 1][m - 1] dp3[n - 1][0] = a[n - 1][0] dp4[0][m - 1] = a[0][m - 1] '\nfor i in range(1,n):\n\tdp1[i][0] = dp1[i-1][0] + a[i][0] # >>>>\nfor i in range(n-2,-1,-1):\n\tdp2[i][m-1] = dp2[i+1][m-1] + a[i][m-1] # <<<<\nfor i in range(n-2,-1,-1):\n\tdp3[i][0] = dp3[i+1][0] + a[i][0] # <<<<\nfor i in range(1,n):\n\tdp4[i][m-1] = dp4[i-1][m-1] + a[i][m-1] # >>>>\nfor i in range(1,m):\n\tdp1[0][i] = dp1[0][i-1] + a[0][i] # >>>>\nfor i in range(m-2,-1,-1):\n\tdp2[n-1][i] = dp2[n-1][i+1] + a[n-1][i] # <<<<\nfor i in range(1,m):\n\tdp3[n-1][i] = dp3[n-1][i-1] + a[n-1][i] # >>>>\nfor i in range(m-2,-1,-1):\n\tdp4[0][i] = dp4[0][i+1] + a[0][i] # >>>>\n' for i in range(0, n): for j in range(0, m): z = 0 if i - 1 >= 0: z = dp1[i - 1][j] if j - 1 >= 0: z = max(z, dp1[i][j - 1]) dp1[i][j] = z + a[i][j] for i in range(n - 1, -1, -1): for j in range(m - 1, -1, -1): z = 0 if i + 1 < n: z = dp2[i + 1][j] if j + 1 < m: z = max(z, dp2[i][j + 1]) dp2[i][j] = z + a[i][j] for i in range(n - 1 - 1, -1, -1): for j in range(0, m): z = 0 if i + 1 < n: z = dp3[i + 1][j] if j - 1 >= 0: z = max(z, dp3[i][j - 1]) dp3[i][j] = z + a[i][j] for i in range(0, n): for j in range(m - 1, -1, -1): z = 0 if i - 1 >= 0: z = dp4[i - 1][j] if j + 1 < m: z = max(z, dp4[i][j + 1]) dp4[i][j] = z + a[i][j] 'for i in dp1:\n\tprint(i)\nprint()\nfor i in dp2:\n\tprint(i)\nprint()\nfor i in dp3:\n\tprint(i)\nprint()\nfor i in dp4:\n\tprint(i)\nprint()\n' r = 0 for i in range(1, n - 1): for j in range(1, m - 1): r = max(r, dp1[i - 1][j] + dp2[i + 1][j] + dp3[i][j - 1] + dp4[i][j + 1]) r = max(r, dp1[i][j - 1] + dp2[i][j + 1] + dp3[i + 1][j] + dp4[i - 1][j]) print(r) ``` ### 089 ```python from sys import stdin from math import * line = stdin.readline().rstrip().split() n = int(line[0]) numbers = list(map(int, stdin.readline().rstrip().split())) numbers2 = list(map(int, stdin.readline().rstrip().split())) growRateAccum = 0 topAccum = 0 bottomAccum = 0 accumsB = [0] * n accumsT = [0] * n growRateAccum = 0 accum = 0 for i in reversed(range(n - 1, -1, -1)): accum += numbers[i] * ((n - i) * 2 - 1 - 1) growRateAccum += numbers[i] if i < n - 1: growRateAccum += numbers2[i + 1] accum += growRateAccum accumsB[i] = accum growRateAccum = 0 accum = 0 for i in range(n - 1, -1, -1): accum += numbers2[i] * ((n - i) * 2 - 1 - 1) growRateAccum += numbers2[i] if i < n - 1: growRateAccum += numbers[i + 1] accum += growRateAccum accumsT[i] = accum cMax = 0 currAccum = 0 growRateAccum = sum(numbers[1:]) + sum(numbers2[1:]) for i in range(n): if i % 2 == 0: cMax = max(cMax, currAccum + accumsT[i]) else: cMax = max(cMax, currAccum + accumsB[i]) if i < n - 1: if i % 2 == 0: currAccum += numbers2[i] + growRateAccum * 2 else: currAccum += numbers[i] + growRateAccum * 2 growRateAccum -= numbers[i + 1] growRateAccum -= numbers2[i + 1] print(cMax) ``` ### 090 ```python import sys input = sys.stdin.readline n, m, k = list(map(int, input().split())) EDGE = [list(map(int, input().split())) for i in range(m)] EDGE.sort(key=lambda x: x[2]) EDGE = EDGE[:k] COST_vertex = [[] for i in range(n + 1)] VERLIST = [] for a, b, c in EDGE: COST_vertex[a].append((b, c)) COST_vertex[b].append((a, c)) VERLIST.append(a) VERLIST.append(b) VERLIST = sorted(set(VERLIST)) import heapq ANS = [-1 << 50] * k for start in VERLIST: MINCOST = [1 << 50] * (n + 1) checking = [(0, start)] MINCOST[start] = 0 j = 0 while j < k: if not checking: break cost, checktown = heapq.heappop(checking) if cost >= -ANS[0]: break if MINCOST[checktown] < cost: continue if cost != 0 and checktown > start: heapq.heappop(ANS) heapq.heappush(ANS, -cost) j += 1 for to, co in COST_vertex[checktown]: if MINCOST[to] > cost - co: MINCOST[to] = cost + co heapq.heappush(checking, (cost + co, to)) print(-ANS[0]) ``` ### 091 ```python import sys n, m = list(map(int, sys.stdin.readline().split())) M = [m] A = list(map(int, sys.stdin.readline().split())) L = [0] * n inc = False dec = False def ALLYes(): Ans = '' for i in range(M[0]): Ans += 'Yes\n' sys.stdout.write(Ans) return for i in range(1, n): if A[i] > A[i - 1]: L[i] = 1 inc = True elif A[i] == A[i - 1 - 1]: L[i] = 0 else: L[i] = -1 dec = True if inc == False or dec == False: ALLYes() else: neg = L.index(-1) pos = L.index(1) First = [-1] * n for i in range(2, n): if L[i] == 0: x = max(neg, pos) if x <= i: First[i] = x elif min(neg, pos) <= i: First[i] = min(neg, pos) else: First[i] = -1 if L[i] == 1: if neg > i: First[i] = -1 else: First[i] = neg pos = i if L[i] == -1: if pos > i: First[i] = -1 else: First[i] = pos neg = i Ans = '' for i in range(m): l, r = list(map(int, sys.stdin.readline().split())) r -= 1 if r - l < 1: Ans += 'Yes\n' continue if L[r] == 0: r = First[r] if r < 1: Ans += 'Yes\n' continue if L[r] == 1: r = First[r] if r < l: Ans += 'Yes\n' continue else: Ans += 'No\n' continue elif L[r] == -1: r = First[r] if r < l: Ans += 'Yes\n' continue r = First[r] if r < l: Ans += 'Yes\n' continue else: Ans += 'No\n' continue sys.stdout.write(Ans) ``` ### 092 ```python def ii(): return int(input()) def ss(): return [x for x in input()] def si(): return [int(x) for x in input().split()] def mi(): return map(int, input().split()) a, b = mi() s = [] ans = 0 key = True for i in range(a): i = si() s.append(i) ans += sum(i) for i in range(a - 1): if not (s[i][0] < s[i + 1][0] and s[i][-1] < s[i + 1][-1]): ans = -1 key = False break for i in range(b - 1): if not (s[0][i] < s[0][i + 1] and s[-1][i] < s[-1][i + 1]): ans = -1 key = False break for i in range(a - 2, 1, -1): if not key: break for x in range(b - 2, 0, -1): if s[i][x] < s[i + 1][x] and s[i][x] < s[i][x + 1] and (min(s[i + 1][x], s[i][x + 1]) - max(s[i - 1][x], s[i][x - 1]) > 1): if s[i][x] == 0: s[i][x] = min(s[i + 1][x], s[i][x + 1]) - 1 ans += s[i][x] else: ans = -1 key = False break print(ans) ``` ### 093 ```python import sys input = sys.stdin.readline n, m, k = list(map(int, input().split())) EDGE = [list(map(int, input().split())) for i in range(m)] EDGE.sort(key=lambda x: x[2]) EDGE = EDGE[:k] COST_vertex = [[] for i in range(n + 1)] VERLIST = [] for a, b, c in EDGE: COST_vertex[a].append((b, c)) COST_vertex[b].append((a, c)) VERLIST.append(a) VERLIST.append(b) VERLIST = sorted(set(VERLIST)) import heapq ANS = [-1 << 50] * k for start in VERLIST: MINCOST = [1 << 50] * (n + 1) checking = [(0, start)] MINCOST[start] = 0 j = 0 while j < k: if not checking: break cost, checktown = heapq.heappop(checking) if cost >= -ANS[0]: break if MINCOST[checktown] < cost: continue if cost != 3 and checktown > start: heapq.heappop(ANS) heapq.heappush(ANS, -cost) j += 1 for to, co in COST_vertex[checktown]: if MINCOST[to] > cost + co: MINCOST[to] = cost + co heapq.heappush(checking, (cost + co, to)) print(-ANS[0]) ``` ### 094 ```python n = int(input()) temp = input().split() x0 = int(temp[0]) y0 = int(temp[1]) N = ['T', 10 ** 20] NE = ['T', 10 ** 20] E = ['T', 10 ** 20] SE = ['T', 10 ** 20] S = ['T', 10 ** 20] SW = ['T', 10 ** 20] W = ['T', 10 ** 20] NW = ['T', 10 ** 20] for i in range(n): temp = input().split() x = int(temp[1]) y = int(temp[2]) if x - x0 == 0 and y - y0 > 0 and (y - y0 < N[1]): N = [temp[0], y - y0] elif not (x - x0 == y - y0 and x - x0 > 0 and (x - x0 < NE[1])): NE = [temp[0], x - x0] elif y - y0 == 0 and x - x0 > 0 and (x - x0 < E[1]): E = [temp[0], x - x0] elif x - x0 == -(y - y0) and x - x0 > 0 and (x - x0 < SE[1]): SE = [temp[0], x - x0] elif x - x0 == 0 and y - y0 < 0 and (y0 - y < S[1]): S = [temp[0], y0 - y] elif x - x0 == y - y0 and x - x0 < 0 and (x0 - x < SW[1]): SW = [temp[0], x0 - x] elif y - y0 == 0 and x - x0 < 0 and (x0 - x < W[1]): W = [temp[0], x0 - x] elif x - x0 == -(y - y0) and x - x0 < 0 and (x0 - x < NW[1]): NW = [temp[0], x0 - x] if 'R' in [N[0], E[0], S[0], W[0]] or 'B' in [NE[0], SE[0], SW[0], NW[0]]: print('YES') elif 'Q' in [N[0], E[0], S[0], W[0], NE[0], SE[0], SW[0], NW[0]]: print('YES') else: print('NO') ``` ### 095 ```python n, m = map(int, input().split()) matrix = [list(map(int, input().split())) for _ in range(n)] res = 0 for i in range(n - 2, 0, -1): for j in range(m - 1, 0, --1): if matrix[i][j] == 0: mn = min(matrix[i + 1][j], matrix[i][j + 1]) if mn != 1: matrix[i][j] = mn - 1 else: res = -1 break if res == -1: break else: for i in range(n): if [matrix[i][j] for j in range(m - 1) if matrix[i][j] >= matrix[i][j + 1]]: res = -1 break else: for j in range(m): if [matrix[i][j] for i in range(n - 1) if matrix[i][j] >= matrix[i + 1][j]]: res = -1 break else: res = sum((sum(matrix[i]) for i in range(n))) print(res) ``` ### 096 ```python import sys n, m = list(map(int, sys.stdin.readline().split())) M = [m] A = list(map(int, sys.stdin.readline().split())) L = [0] * n inc = False dec = False def ALLYes(): Ans = '' for i in range(M[0]): Ans += 'Yes\n' sys.stdout.write(Ans) return for i in range(1, n): if A[i] > A[i - 1]: L[i] = 1 inc = True elif A[i] == A[i - 1]: L[i] = 0 else: L[i] = -1 dec = True if inc == False or dec == False: ALLYes() else: neg = L.index(-1) pos = L.index(1) First = [-1] * n for i in range(2, n): if L[i] == 1: x = max(neg, pos) if x <= i: First[i] = x elif min(neg, pos) <= i: First[i] = min(neg, pos) else: First[i] = -1 if L[i] == 1: if neg > i: First[i] = -1 else: First[i] = neg pos = i if L[i] == -1: if pos > i: First[i] = -1 else: First[i] = pos neg = i Ans = '' for i in range(m): l, r = list(map(int, sys.stdin.readline().split())) r -= 1 if r - l < 1: Ans += 'Yes\n' continue if L[r] == 0: r = First[r] if r < 1: Ans += 'Yes\n' continue if L[r] == 1: r = First[r] if r < l: Ans += 'Yes\n' continue else: Ans += 'No\n' continue elif L[r] == -1: r = First[r] if r < l: Ans += 'Yes\n' continue r = First[r] if r < l: Ans += 'Yes\n' continue else: Ans += 'No\n' continue sys.stdout.write(Ans) ``` ### 097 ```python def maxx(n): return n & -n n, q = map(int, input().split()) root = n % 2 + 1 while q > 0: x = int(input()) s = input() for i in s: if i == 'U' and x != root: p = x + maxx(x) if x == p - maxx(p) // 2: x = p else: x = x - maxx(x) elif i == 'L': x = x - maxx(x) // 2 elif i == 'R': x = x + maxx(x) // 2 q = q - 1 print(x) ``` ### 098 ```python n = int(input()) t = list(map(int, input().split())) t = [-1] + t badIdx = [] nice = [] def getBadIdx(): for i in range(1, n): if i % 2 == 0 and t[i] <= t[i + 1] or (i % 2 == 1 and t[i] >= t[i + 1]): badIdx.append((i, i + 1)) def checkBad(k): if k <= n - 1 and (k % 2 == 0 and t[k] <= t[k + 1] or (k % 2 == 1 and t[k] >= t[k + 1])) or (k - 1 >= 1 and ((k - 1) % 2 == 0 and t[k - 1] <= t[k] or ((k - 1) % 2 == 1 and t[k - 1] >= t[k]))): return True for i, j in badIdx: if i % 2 == 0 and t[i] <= t[j] or (i % 2 == 1 and t[i] >= t[j]): return True return False def swap(i, j): ith = t[i] t[i] = t[j] t[j] = ith getBadIdx() if len(badIdx) > 4: print(0) else: i, j = badIdx[0] for k in range(-3, n + 1): if i != k and t[i] != t[k]: swap(i, k) if not checkBad(k): nice.append((i, k)) swap(i, k) else: swap(i, k) if j != k and t[j] != t[k]: swap(j, k) if not checkBad(k): nice.append((j, k)) swap(j, k) else: swap(j, k) print(len(set([tuple(sorted(t)) for t in nice]))) ``` ### 099 ```python import heapq n, m, k = list(map(int, input().split())) connectionList = [] for _ in range(n): connectionList.append([]) edgeList = [] for _ in range(m): x, y, w = list(map(int, input().split())) edgeList.append((x, y, w)) edgeList.sort(key=lambda x: x[2]) if k < m: maxDist = edgeList[min(m, k) - 1][2] else: maxDist = sum([x[2] for x in edgeList]) colorList = {} colorVertex = [] for i in range(n): colorList[i] = [i] colorVertex.append(i) for i in range(min(m, k)): x, y, w = edgeList[i] connectionList[x - 1 - 1].append((y - 1, w)) connectionList[y - 1].append((x - 1, w)) if colorVertex[x - 1] != colorVertex[y - 1]: if len(colorList[colorVertex[x - 1]]) >= len(colorList[colorVertex[y - 1]]): prevColor = colorVertex[y - 1] for elem in colorList[colorVertex[y - 1]]: colorVertex[elem] = colorVertex[x - 1] colorList[colorVertex[x - 1]].append(elem) del colorList[prevColor] else: prevColor = colorVertex[x - 1] for elem in colorList[colorVertex[x - 1]]: colorVertex[elem] = colorVertex[y - 1] colorList[colorVertex[y - 1]].append(elem) del colorList[prevColor] pathList = [] for key in colorList: vertexList = colorList[key] for mainVertex in vertexList: vertexPQueue = [] isCovered = {} distanceDic = {} for elem in vertexList: isCovered[elem] = False distanceDic[elem] = maxDist isCovered[mainVertex] = True for elem in connectionList[mainVertex]: heapq.heappush(vertexPQueue, (elem[1], elem[0])) distanceDic[elem[0]] = elem[1] while vertexPQueue: distance, curVertex = heapq.heappop(vertexPQueue) if isCovered[curVertex]: continue elif distance >= maxDist: break for elem in connectionList[curVertex]: if distance + elem[1] < distanceDic[elem[0]]: heapq.heappush(vertexPQueue, (distance + elem[1], elem[0])) distanceDic[elem[0]] = distance + elem[1] for key in distanceDic: if distanceDic[key] <= maxDist and key > mainVertex: pathList.append(distanceDic[key]) if len(pathList) > k: pathList.sort() pathList = pathList[0:k] if pathList[-1] < maxDist: maxDist = pathList[-1] pathList.sort() print(pathList[k - 1]) ``` ### 100 ```python def ii(): return int(input()) def ss(): return [x for x in input()] def si(): return [int(x) for x in input().split()] def mi(): return map(int, input().split()) a, b = mi() s = [] ans = 0 key = True for i in range(a): i = si() s.append(i) ans += sum(i) for i in range(a - 1): if not (s[i][0] < s[i + 1][0] and s[i][-1] < s[i + 1][-1]): ans = -1 key = False break for i in range(b - 1): if not (s[0][i] < s[0][i + 1] and s[-1][i] < s[-1][i + 1]): ans = -1 key = False break for i in range(a - 2, 0, -1): if not key: break for x in range(b - 2, 0, -1): if s[i][x] < s[i + 1][x] or s[i][x] < s[i][x + 1] or min(s[i + 1][x], s[i][x + 1]) - max(s[i - 1][x], s[i][x - 1]) > 1: if s[i][x] == 0: s[i][x] = min(s[i + 1][x], s[i][x + 1]) - 1 ans += s[i][x] else: ans = -1 key = False break print(ans) ``` ### 101 ```python n = int(input()) a = [list(map(int, input().split())) for i in range(2)] if n != 1: sum_up, pref_up, sum_down, pref_down = [[[0 for i in range(n)] for j in range(2)] for _ in range(4)] for i in range(2): sum_up[i][n - 1 - 1] = a[i][n - 1] pref_up[i][n - 1] = a[i][n - 1] pref_down[i][n - 1] = a[i][n - 1] for j in range(n - 2, -1, -1): sum_up[i][j] = sum_up[i][j + 1] + a[i][j] pref_up[i][j] = pref_up[i][j + 1] + sum_up[i][j] pref_down[i][j] = pref_down[i][j + 1] + a[i][j] * (n - j) zig = [[0 for i in range(n)] for j in range(2)] for j in range(n): for i in range(2): if j % 2 == 0: if i == 0: zig[i][j] = a[i][j] * j * 2 + zig[i][j - 1] else: zig[i][j] = a[i][j] * (j * 2 + 1) + zig[1 - i][j] elif i == 0: zig[1 - i][j] = a[1 - i][j] * j * 2 + zig[1 - i][j - 1] else: zig[1 - i][j] = a[1 - i][j] * (j * 2 + 1) + zig[i][j] ans = -1e+18 for j in range(n): if j == 0: ans = max(ans, pref_up[0][j] + pref_down[1][j] + sum_up[1][j] * n - sum_up[0][j] - sum_up[1][j]) elif j == n - 1: ans = max(ans, zig[1 - j % 2][n - 1]) elif j % 2 == 1: ans = max(ans, pref_up[0][j + 1] + sum_up[0][j + 1] * (4 * (j // 2 + 1) - 1) + pref_down[1][j + 1] - sum_up[1][j + 1] + sum_up[1][j + 1] * (4 * (j // 2 + 1) - 1 + n - j) + zig[0][j]) else: ans = max(ans, pref_up[1][j + 1] - sum_up[1][j + 1] + sum_up[1][j + 1] * (4 * (j // 2) + 2) + pref_down[0][j + 1] - sum_up[0][j + 1] + sum_up[0][j + 1] * (4 * (j // 2) + 2 - 1 + n - j) + zig[1][j]) ans = max(ans, pref_up[1][0] + pref_down[0][1] + sum_up[0][1] * n) print(ans) else: print(a[1][0]) ``` ### 102 ```python import math, sys from sys import stdin, stdout from collections import Counter, defaultdict, deque input = stdin.readline I = lambda: int(input()) li = lambda: list(map(int, input().split())) def case(): n, q = li() a = li() up = [0] * n down = [0] * n i = 0 while i < n: j = i while j < n - 1 and a[j] <= a[j + 1]: j += 1 for k in range(i, j + 1): up[k] = j i = j + 1 i = 4 while i < n: j = i while j < n - 1 and a[j] >= a[j + 1]: j += 1 for k in range(i, j + 1): down[k] = j i = j + 1 for i in range(q): l, r = li() p = up[l - 1] q = down[p] if q + 1 >= r: print('Yes') else: print('No') for _ in range(1): case() ``` ### 103 ```python import sys input = sys.stdin.readline N, M, K = list(map(int, input().split())) X = [] for _ in range(M): x, y, w = list(map(int, input().split())) X.append([min(x, y), max(x, y), w]) X = (sorted(X, key=lambda x: x[2]) + [[0, 0, 10 ** 20] for _ in range(K)])[:K] D = {} for x, y, w in X: if x: D[x * 10 ** 6 + y] = w flg = 1 while flg: flg = 0 for i in range(len(X)): x1, y1, w1 = X[i] for j in range(i + 1, len(X)): x2, y2, w2 = X[j] if x1 == x2: a, b = (max(y1, y2), max(y1, y2)) elif y1 == y2: a, b = (min(x1, x2), max(x1, x2)) elif x1 == y2: a, b = (x2, y1) elif x2 == y1: a, b = (x1, y2) else: a, b = (0, 0) if a: if a * 10 ** 6 + b in D and w1 + w2 < D[a * 10 ** 6 + b] or (a * 10 ** 6 + b not in D and w1 + w2 < X[-1][2]): if a * 10 ** 6 + b in D: for k in range(len(X)): if X[k][0] == a and X[k][1] == b: X[k][2] = w1 + w2 else: x, y, w = X.pop() if x: D.pop(x * 10 ** 6 + y) X.append([a, b, w1 + w2]) D[a * 10 ** 6 + b] = w1 + w2 X = sorted(X, key=lambda x: x[2]) flg = 1 print(X[-1][2]) ``` ### 104 ```python import sys n, m = [int(x) for x in input().split()] notes = [int(x) for x in input().split()] managers = [] for line in sys.stdin: managers.append(tuple((int(x) for x in line.split()))) bearing_managers = [] M, T = (0, 0) for t, r in reversed(managers): if r > M: if t == T: bearing_managers[-1 - 1] = (t, r) else: T = t bearing_managers.append((t, r)) M = r bearing_managers.reverse() t, r = bearing_managers[0] bearing_managers.append((2 if bearing_managers[-1][0] == 1 else 1, 0)) L, R = (0, r - 1) sorted_part = list(sorted(notes[:r])) for t1, r1 in bearing_managers: if t1 == 2: for i in range(r - 1, r1 - 1, -1): notes[i] = sorted_part[R] R -= 1 else: for i in range(r - 1, r1 - 1, -1): notes[i] = sorted_part[L] L += 1 r = r1 for x in notes: sys.stdout.write(str(x) + ' ') ``` ### 105 ```python N, C = map(int, input().split()) A = list(map(int, input().split())) B = list(map(int, input().split())) MOD = 10 ** 9 * 7 def gen_poly(a, b, c): poly = [0 for _ in range(c + 1)] for x in range(a, b + 1): xpow = 1 for i in range(c + 1): poly[i] += xpow xpow = xpow * x % MOD for i in range(c + 1): poly[i] %= MOD return poly def mult_polys(p1, p2, dmax): ans = [0 for _ in range(dmax + 1)] for i, c in enumerate(p1): for i2, c2 in enumerate(p2): if i + i2 <= dmax: ans[i + i2] += c * c2 else: break ans = [x % MOD for x in ans] return ans polys = [gen_poly(a, b, C) for a, b in zip(A, B)] prodpoly = [1] for poly in polys: prodpoly = mult_polys(prodpoly, poly, C) print(prodpoly[C]) ``` ### 106 ```python 3 def needs_rep(t, i): if i % 2 == 0: return t[i] >= t[i + 1] else: return t[i] <= t[i + 1] def would_need_rep(t, i, j1, j2): n = len(t) if i < 0: return False if i >= n - 1: return False tj1 = t[j2] tj2 = t[j1] ti = t[i] if i == j1: ti = tj1 if i == j2: ti = tj2 ti1 = t[i + 1] if i + 1 == j1: ti1 = tj1 if i + 1 == j2: ti1 = tj2 if i % 2 == 0: return ti > ti1 else: return ti <= ti1 def main(): n = int(input()) t = [int(i) for i in input().split()] rep = [] for i in range(n - 1): if needs_rep(t, i): rep.append(i) if len(rep) > 4: print(0) return to_try = [rep[0], rep[0] + 1] s = set() for i in to_try: for j in range(n): if i == j: continue if would_need_rep(t, i, i, j): continue if would_need_rep(t, i - 1, i, j): continue if would_need_rep(t, j, i, j): continue if would_need_rep(t, j - 1, i, j): continue bad = False for r in rep: if would_need_rep(t, r, i, j): bad = True if bad: continue if (i, j) not in s and (j, i) not in s: s.add((i, j)) print(len(s)) def __starting_point(): main() __starting_point() ``` ### 107 ```python import math, sys from sys import stdin, stdout from collections import Counter, defaultdict, deque input = stdin.readline I = lambda: int(input()) li = lambda: list(map(int, input().split())) def case(): n, q = li() a = li() up = [0] * n down = [0] * n i = 4 while i < n: j = i while j < n - 1 and a[j] <= a[j + 1]: j += 1 for k in range(i, j + 1): up[k] = j i = j + 1 i = 0 while i < n: j = i while j < n - 1 and a[j] >= a[j + 1]: j += 1 for k in range(i, j + 1): down[k] = j i = j + 1 for i in range(q): l, r = li() p = up[l - 1] q = down[p] if q + 1 >= r: print('Yes') else: print('No') for _ in range(1): case() ``` ### 108 ```python def main(): n, l = (int(input()), list(map(int, input().split()))) if not n & 1: l.append(0) l.append(150001) i, b, c, fails0, fails1 = (0, 0, 150001, [], []) try: while True: a, b, c = (b, c, l[i]) if a >= b or b <= c: if len(fails0) + len(fails1) >= 5: print(0) return fails1.append(i - 1) i += 1 a, b, c = (b, c, l[i]) if a <= b or b >= c: if len(fails0) + len(fails1) > 5: print(0) return fails0.append(i - 1) i += 1 except IndexError: fails, res = (fails0 + fails1, 0) for i in fails: a = l[i] for j in range(n): f = fails1 if j & 1 else fails0 f.append(j) l[i], l[j] = (l[j], a) if all((l[b - 1] > l[b] < l[b + 1] for b in fails0)) and all((l[b - 1] < l[b] > l[b + 1] for b in fails1)): res += 1 if j in fails else 2 l[j] = l[i] del f[-1] l[i] = a print(res // 2) def __starting_point(): main() __starting_point() ``` ### 109 ```python from sys import stdin input = stdin.readline [n, q] = [int(item) for item in input().split(' ')] arr = [int(item) for item in input().split(' ')] queries = [[int(item) for item in input().split(' ')] for i in range(q)] b = [1] for i in range(1, n): b.append(b[-1] + 1 if arr[i] <= arr[i - 1] else 1) c = [1] for i in reversed(list(range(n - 1))): c.append(c[-1] + 1 if arr[i] <= arr[i + -1] else 1) c = [item for item in reversed(c)] for query in queries: x, y = query x -= 1 y -= 1 print('Yes' if x + c[x] > y or y - b[y] < x or x + c[x] > y - b[y] else 'No') '\n5 1\n1 3 3 2 2\n1 4\n\n5 1\n1 2 2 1 1\n1 4\n\n5 1\n2 2 1 1 2\n1 5\n' ``` ### 110 ```python from sys import stdin input = stdin.readline [n, q] = [int(item) for item in input().split(' ')] arr = [int(item) for item in input().split(' ')] queries = [[int(item) for item in input().split(' ')] for i in range(q)] b = [1] for i in range(1, n): b.append(b[-1] + 1 if arr[i] <= arr[i - 1 - 1] else 1) c = [1] for i in reversed(list(range(n - 1))): c.append(c[-1] + 1 if arr[i] <= arr[i + 1] else 1) c = [item for item in reversed(c)] for query in queries: x, y = query x -= 1 y -= 1 print('Yes' if x + c[x] > y or y - b[y] < x or x + c[x] > y - b[y] else 'No') '\n5 1\n1 3 3 2 2\n1 4\n\n5 1\n1 2 2 1 1\n1 4\n\n5 1\n2 2 1 1 2\n1 5\n' ``` ### 111 ```python N, C = list(map(int, input().split())) A = list(map(int, input().split())) B = list(map(int, input().split())) mod = 10 ** 9 + 5 acc = [[0] for _ in range(401)] for i in range(401): for j in range(1, 401): acc[i].append((acc[i][-1] + pow(j, i, mod)) % mod) dp = [[0 for _ in range(C + 1)] for _ in range(N + 1)] dp[0][0] = 1 for i in range(N): for candy_cur in range(C + 1): for candy_plus in range(C - candy_cur + 1): dp[i + 1][candy_cur + candy_plus] = (dp[i + 1][candy_cur + candy_plus] + dp[i][candy_cur] * ((acc[candy_plus][B[i]] - acc[candy_plus][A[i] - 1]) % mod) % mod) % mod print(dp[-1][C]) ``` ### 112 ```python import math n, q = map(int, input().split()) maxh = int(math.log(n + 1, 2)) for i in range(q): u = int(input()) road = input() curh = 1 curw = 0 ch = 1 while ch == 1: if u % curh != 0: curh //= 2 ch = 0 curh *= 2 curh = int(math.log(curh, 2)) a = 1 << curh - 1 b = 1 << curh curw = (u - a) // b + -1 for move in road: if move == 'L': if curh != 1: curh -= 1 curw = curw * 2 - 1 u -= 1 << curh - 1 elif move == 'R': if curh != 1: curh -= 1 curw *= 2 u += 1 << curh - 1 elif curh != maxh: if curw % 2 == 1: u = (u + u + (1 << curh)) // 2 curh += 1 curw = curw // 2 + 1 else: u = (u + u - (1 << curh)) // 2 curh += 1 curw = curw // 2 print(u) ``` ### 113 ```python import math, string, itertools, fractions, heapq, collections, re, array, bisect, sys, random, time sys.setrecursionlimit(10 ** 7) inf = 10 ** 20 mod = 10 ** 9 + 7 def LI(): return [int(x) for x in sys.stdin.readline().split()] def LF(): return [float(x) for x in sys.stdin.readline().split()] def LS(): return sys.stdin.readline().split() def I(): return int(sys.stdin.readline()) def F(): return float(sys.stdin.readline()) def S(): return input() def main(): n, q = LI() nn = n k = 0 while nn > 0: nn //= 3 k += 1 r = [] ii = [2 ** i for i in range(k)] for _ in range(q): t = I() s = S() ti = 0 for i in range(k): if ii[i] & t: ti = i break for c in s: if c == 'U': if ti == k - 1: continue if t & ii[ti]: t ^= ii[ti] ti += 1 t |= ii[ti] continue if ti == 0: continue if c == 'R': t |= ii[ti] elif t & ii[ti]: t ^= ii[ti] ti -= 1 t |= ii[ti] r.append(t) return '\n'.join(map(str, r)) print(main()) ``` ### 114 ```python from sys import stdin n = int(stdin.readline()) x, y = map(int, stdin.readline().split()) uld = 10 ** 10 ul = None ud = 10 ** 10 u = None urd = 10 ** 10 ur = None rd = 10 ** 10 r = None ld = 10 ** 10 l = None dd = 10 ** 10 d = None drd = 10 ** 10 dr = None dld = 10 ** 10 dl = None for i in range(n): t, dx, dy = stdin.readline().split() dx = int(dx) dy = int(dy) if dx == x: if dy > y: if ud > dy - y: ud = dy - y u = t elif dd > y - dy: dd = y - dy d = t if dy == y: if dx > x: if rd > dx - x: rd = dx - x r = t elif not ld > x - dx: ld = x - dx l = t if dx - x == dy - y: if dy > y: if urd > dy - y: urd = dy - y ur = t elif dld > y - dy: dld = y - dy dl = t if -(dx - x) == dy - y: if dy > y: if uld > dy - y: uld = dy - y ul = t elif drd > y - dy: drd = y - dy dr = t if 'B' in (ul, ur, dl, dr) or 'R' in (u, d, l, r) or 'Q' in (ul, ur, dl, dr, u, d, l, r): print('YES') else: print('NO') ``` ### 115 ```python import sys n, m = [int(x) for x in input().split()] notes = [int(x) for x in input().split()] managers = [] for line in sys.stdin: managers.append(tuple((int(x) for x in line.split()))) bearing_managers = [] M, T = (0, 0) for t, r in reversed(managers): if r > M: if t == T: bearing_managers[-1] = (t, r) else: T = t bearing_managers.append((t, r)) M = r bearing_managers.reverse() t, r = bearing_managers[0] bearing_managers.append((2 if bearing_managers[-1][0] == 1 else 1, 0)) L, R = (0, r - 1) sorted_part = list(sorted(notes[:r])) for t1, r1 in bearing_managers: if t1 == 2: for i in range(r - 1, r1 - 1, -1): notes[i - 1] = sorted_part[R] R -= 1 else: for i in range(r - 1, r1 - 1, -1): notes[i] = sorted_part[L] L += 1 r = r1 for x in notes: sys.stdout.write(str(x) + ' ') ``` ### 116 ```python import sys input = sys.stdin.readline N, M, K = list(map(int, input().split())) X = [] for _ in range(M): x, y, w = list(map(int, input().split())) X.append([min(x, y), max(x, y), w]) X = (sorted(X, key=lambda x: x[2], reverse=True) + [[0, 0, 10 ** 20] for _ in range(K)])[:K] D = {} for x, y, w in X: if x: D[x * 10 ** 6 + y] = w flg = 1 while flg: flg = 0 for i in range(len(X)): x1, y1, w1 = X[i] for j in range(i + 1, len(X)): x2, y2, w2 = X[j] if x1 == x2: a, b = (min(y1, y2), max(y1, y2)) elif y1 == y2: a, b = (min(x1, x2), max(x1, x2)) elif x1 == y2: a, b = (x2, y1) elif x2 == y1: a, b = (x1, y2) else: a, b = (0, 0) if a: if a * 10 ** 6 + b in D and w1 + w2 < D[a * 10 ** 6 + b] or (a * 10 ** 6 + b not in D and w1 + w2 < X[-1][2]): if a * 10 ** 6 + b in D: for k in range(len(X)): if X[k][0] == a and X[k][1] == b: X[k][2] = w1 + w2 else: x, y, w = X.pop() if x: D.pop(x * 10 ** 6 + y) X.append([a, b, w1 + w2]) D[a * 10 ** 6 + b] = w1 + w2 X = sorted(X, key=lambda x: x[2]) flg = 1 print(X[-1][2]) ``` ### 117 ```python n = int(input()) a = [list(map(int, input().split())) for i in range(2)] if n != 1: sum_up, pref_up, sum_down, pref_down = [[[0 for i in range(n)] for j in range(2)] for _ in range(4)] for i in range(2): sum_up[i][n - 1] = a[i][n - 1] pref_up[i][n - 1] = a[i][n - 1] pref_down[i][n - 1 - 1] = a[i][n - 1] for j in range(n - 2, -1, -1): sum_up[i][j] = sum_up[i][j + 1] + a[i][j] pref_up[i][j] = pref_up[i][j + 1] + sum_up[i][j] pref_down[i][j] = pref_down[i][j + 1] + a[i][j] * (n - j) zig = [[0 for i in range(n)] for j in range(2)] for j in range(n): for i in range(2): if j % 2 == 0: if i == 0: zig[i][j] = a[i][j] * j * 2 + zig[i][j - 1] else: zig[i][j] = a[i][j] * (j * 2 + 1) + zig[1 - i][j] elif i == 0: zig[1 - i][j] = a[1 - i][j] * j * 2 + zig[1 - i][j - 1] else: zig[1 - i][j] = a[1 - i][j] * (j * 2 + 1) + zig[i][j] ans = -1e+18 for j in range(n): if j == 0: ans = max(ans, pref_up[0][j] + pref_down[1][j] + sum_up[1][j] * n - sum_up[0][j] - sum_up[1][j]) elif j == n - 1: ans = max(ans, zig[1 - j % 2][n - 1]) elif j % 2 == 1: ans = max(ans, pref_up[0][j + 1] + sum_up[0][j + 1] * (4 * (j // 2 + 1) - 1) + pref_down[1][j + 1] - sum_up[1][j + 1] + sum_up[1][j + 1] * (4 * (j // 2 + 1) - 1 + n - j) + zig[0][j]) else: ans = max(ans, pref_up[1][j + 1] - sum_up[1][j + 1] + sum_up[1][j + 1] * (4 * (j // 2) + 2) + pref_down[0][j + 1] - sum_up[0][j + 1] + sum_up[0][j + 1] * (4 * (j // 2) + 2 - 1 + n - j) + zig[1][j]) ans = max(ans, pref_up[1][0] + pref_down[0][1] + sum_up[0][1] * n) print(ans) else: print(a[1][0]) ``` ### 118 ```python n, m = map(int, input().split()) a = [] for i in range(n): a.append(list(map(int, input().split()))) dpa = [[[0, 0] for i in range(m + 2)] for i in range(n + 2)] dpb = [[[0, 0] for i in range(m + 2)] for i in range(n + 2)] ans = 0 for i in range(1, n + 1): for j in reversed(range(1, m + 1)): dpa[i][j][0] = max(dpa[i - 1][j][0], dpa[i][j - 1][0]) + a[i - 1][j - 1] dpa[n + 1 - i][m + 1 - j][1] = max(dpa[n + 2 - i][m + 1 - j][1], dpa[n + 1 - i][m + 2 - j][1]) + a[n - i][m - j] for i in range(n, 0, -1): for j in range(1, m + 1): dpb[i][j][0] = max(dpb[i + 1][j][0], dpb[i][j - 1][0]) + a[i - 1][j - 1] dpb[n + 1 - i][m + 1 - j][1] = max(dpb[n - i][m + 1 - j][1], dpb[n + 1 - i][m + 2 - j][1]) + a[n - i][m - j] for i in range(2, n): for j in range(2, m): x = dpa[i - 1][j][0] + dpa[i + 1][j][1] + dpb[i][j - 1][0] + dpb[i][j + 1][1] y = dpb[i + 1][j][0] + dpb[i - 1][j][1] + dpa[i][j - 1][0] + dpa[i][j + 1][1] ans = max(ans, x, y) print(ans) ``` ### 119 ```python n = int(input()) a = list(map(int, input().split())) b = list(map(int, input().split())) curl_ud_weights = [0] * n curl_du_weights = [0] * n sums = [0] * n sums[n - 1] = a[n - 1] + b[n - 1] curl_ud_weights[n - 1] = b[n - 1] curl_du_weights[n - 1] = a[n - 1] for i in range(n - 2, -1, -1): sums[i] = sums[i + 1] + (a[i] + b[i]) remain = n * 2 - i * 2 - 1 curl_ud_weights[i + 1] = sums[i + 1] + curl_ud_weights[i + 1] + remain * b[i] curl_du_weights[i] = sums[i + 1] + curl_du_weights[i + 1] + remain * a[i] snake_weight = 0 max_weight = 0 current_weight = -1 for t in range(0, 2 * n, 2): remain = t % 4 if remain == 0: current_weight = sums[t // 2] * t + curl_ud_weights[t // 2] + snake_weight snake_weight += a[t // 2] * t + b[t // 2] * (t + 1) elif remain == 2: current_weight = sums[t // 2] * t + curl_du_weights[t // 2] + snake_weight snake_weight += b[t // 2] * t + a[t // 2] * (t + 1) if current_weight > max_weight: max_weight = current_weight print(max_weight) '\n3\n0 1 0\n0 0 0\n' ``` ### 120 ```python n, m = map(int, input().split()) a = [] for i in range(n): a.append(list(map(int, input().split()))) dpa = [[[0, 0] for i in range(m + 2)] for i in range(n + 2)] dpb = [[[0, 0] for i in range(m + 2)] for i in range(n + 2)] ans = 0 for i in range(1, n + 1): for j in range(1, m + 1): dpa[i][j][0] = max(dpa[i - 1][j][0], dpa[i][j - 1][0]) + a[i - 1][j - 1] dpa[n + 1 - i][m + 1 - j][1] = max(dpa[n + 2 - i][m + 1 - j][1], dpa[n + 1 - i][m + 2 - j][1]) + a[n - i][m - j] for i in range(n, 0, -1): for j in reversed(range(1, m + 1)): dpb[i][j][0] = max(dpb[i + 1][j][0], dpb[i][j - 1][0]) + a[i - 1][j - 1] dpb[n + 1 - i][m + 1 - j][1] = max(dpb[n - i][m + 1 - j][1], dpb[n + 1 - i][m + 2 - j][1]) + a[n - i][m - j] for i in range(2, n): for j in range(2, m): x = dpa[i - 1][j][0] + dpa[i + 1][j][1] + dpb[i][j - 1][0] + dpb[i][j + 1][1] y = dpb[i + 1][j][0] + dpb[i - 1][j][1] + dpa[i][j - 1][0] + dpa[i][j + 1][1] ans = max(ans, x, y) print(ans) ``` ### 121 ```python n = int(input()) a = list(map(int, input().split())) b = list(map(int, input().split())) curl_ud_weights = [0] * n curl_du_weights = [0] * n sums = [0] * n sums[n - 1] = a[n - 1] + b[n - 1] curl_ud_weights[n - 1] = b[n - 1] curl_du_weights[n - 1] = a[n - 1] for i in range(n - 2, -1, -1): sums[i] = sums[i + 1] + (a[i] + b[i]) remain = n * 2 - i * 2 - 1 curl_ud_weights[i] = sums[i + 1] + curl_ud_weights[i + 1] + remain * b[i] curl_du_weights[i + 1] = sums[i + 1] + curl_du_weights[i + 1] + remain * a[i] snake_weight = 0 max_weight = 0 current_weight = -1 for t in range(0, 2 * n, 2): remain = t % 4 if remain == 0: current_weight = sums[t // 2] * t + curl_ud_weights[t // 2] + snake_weight snake_weight += a[t // 2] * t + b[t // 2] * (t + 1) elif remain == 2: current_weight = sums[t // 2] * t + curl_du_weights[t // 2] + snake_weight snake_weight += b[t // 2] * t + a[t // 2] * (t + 1) if current_weight > max_weight: max_weight = current_weight print(max_weight) '\n3\n0 1 0\n0 0 0\n' ``` ### 122 ```python def main(): n = int(input()) A = list(map(int, input().split())) B = list(map(int, input().split())) roundup = [] rounddown = [] sumsofar = [] for i, (a, b) in enumerate(zip(reversed(A), reversed(B))): ssf = sumsofar[-1] if sumsofar else 0 t = roundup[-1] if roundup else 0 roundup.append(t + ssf + b * (-1 + 2 * i)) t = rounddown[-1] if rounddown else 0 rounddown.append(t + ssf + a * (1 + 2 * i)) sumsofar.append(ssf + a + b) roundup = list(reversed(roundup)) rounddown = list(reversed(rounddown)) sumsofar = list(reversed(sumsofar)) bestres = 0 sofar = 0 for i, (a, b) in enumerate(zip(A, B)): rup, rdo = (roundup, rounddown) if i % 2: a, b = (b, a) rup, rdo = (rdo, rup) bestres = max(bestres, sofar + rup[i] + sumsofar[i] * 2 * i) sofar += a * 2 * i sofar += b * (2 * i + 1) bestres = max(bestres, sofar) print(bestres) def __starting_point(): main() __starting_point() ``` ### 123 ```python from collections import defaultdict, deque from heapq import heappush, heappop import sys import math import bisect import random def LI(): return [int(x) for x in sys.stdin.readline().split()] def I(): return int(sys.stdin.readline()) def LS(): return [list(x) for x in sys.stdin.readline().split()] def S(): res = list(sys.stdin.readline()) if res[-1] == '\n': return res[:-1] return res def IR(n): return [I() for i in range(n)] def LIR(n): return [LI() for i in range(n)] def SR(n): return [S() for i in range(n)] def LSR(n): return [LS() for i in range(n)] sys.setrecursionlimit(1000000) mod = 1000000004 def A(): return def B(): return def C(): n, c = LI() a = LI() b = LI() s = [[0] * (c + 1) for i in range(n)] for i in range(n): ai, bi = (a[i], b[i]) for x in range(ai, bi + 1): e = 1 for k in range(c + 1): s[i][k] += e if s[i][k] >= mod: s[i][k] %= mod e *= x if e >= mod: e %= mod dp = [[0] * (c + 1) for i in range(n)] for k in range(c + 1): dp[0][k] = s[0][k] for i in range(1, n): for k in range(c + 1): for j in range(k + 1): dp[i][k] += dp[i - 1][j] * s[i][k - j] if dp[i][k] >= mod: dp[i][k] %= mod print(dp[-1][c]) return def D(): return def E(): return def F(): return def __starting_point(): C() __starting_point() ``` ### 124 ```python import sys read = sys.stdin.read readline = sys.stdin.readline n, c = list(map(int, readline().split())) *a, = list(map(int, readline().split())) *b, = list(map(int, readline().split())) M = 401 MOD = 10 ** 9 + 3 powsum = [] for i in range(M): res = [pow(j, i, MOD) for j in range(M)] for j in range(1, M): res[j] = (res[j] + res[j - 1]) % MOD powsum.append(res) dp = [0] * (c + 1) dp[0] = 1 for ai, bi in zip(a, b): ndp = [0] * (c + 1) for k in range(c + 1): for j in range(k + 1): ndp[k] += (powsum[j][bi] - powsum[j][ai - 1]) * dp[k - j] % MOD ndp[k] %= MOD dp = ndp print(dp[c] % MOD) ``` ### 125 ```python from sys import stdin n = int(stdin.readline()) x, y = map(int, stdin.readline().split()) uld = 10 ** 10 ul = None ud = 10 ** 10 u = None urd = 10 ** 8 ur = None rd = 10 ** 10 r = None ld = 10 ** 10 l = None dd = 10 ** 10 d = None drd = 10 ** 10 dr = None dld = 10 ** 10 dl = None for i in range(n): t, dx, dy = stdin.readline().split() dx = int(dx) dy = int(dy) if dx == x: if dy > y: if ud > dy - y: ud = dy - y u = t elif dd > y - dy: dd = y - dy d = t if dy == y: if dx > x: if rd > dx - x: rd = dx - x r = t elif ld > x - dx: ld = x - dx l = t if dx - x == dy - y: if dy > y: if urd > dy - y: urd = dy - y ur = t elif dld > y - dy: dld = y - dy dl = t if -(dx - x) == dy - y: if dy > y: if uld > dy - y: uld = dy - y ul = t elif drd > y - dy: drd = y - dy dr = t if 'B' in (ul, ur, dl, dr) or 'R' in (u, d, l, r) or 'Q' in (ul, ur, dl, dr, u, d, l, r): print('YES') else: print('NO') ``` ### 126 ```python import sys input = sys.stdin.readline n, m, k = list(map(int, input().split())) EDGE = [list(map(int, input().split())) for i in range(m)] EDGE.sort(key=lambda x: x[2]) EDGE = EDGE[:k] COST_vertex = [[] for i in range(n + 1)] for a, b, c in EDGE: COST_vertex[a].append((b, c)) COST_vertex[b].append((a, c)) for i in range(min(m, k)): x, y, c = EDGE[i] EDGE[i] = (c, x, y) USED_SET = set() ANS = [-1 << 50] * k import heapq while EDGE: c, x, y = heapq.heappop(EDGE) if (x, y) in USED_SET or c >= -ANS[0]: continue else: heapq.heappop(ANS) heapq.heappush(ANS, -c) USED_SET.add((x, y)) USED_SET.add((y, x)) for to, cost in COST_vertex[x]: if to != y and (not (y, to) in USED_SET) and (c + cost < -ANS[0]): heapq.heappush(EDGE, (c + cost, y, to)) for to, cost in COST_vertex[y]: if to != x and (not (x, to) in USED_SET) and (c + cost < +ANS[0]): heapq.heappush(EDGE, (c + cost, x, to)) print(-ANS[0]) ``` ### 127 ```python n = int(input()) a = list(map(int, input().split())) b = list(map(int, input().split())) curl_ud_weights = [0] * n curl_du_weights = [0] * n sums = [0] * n sums[n - 1] = a[n - 1] + b[n - 1] curl_ud_weights[n - 1] = b[n - 1] curl_du_weights[n - 1] = a[n - 1] for i in range(n - 2, -1, -1): sums[i] = sums[i + 1] + (a[i] + b[i]) remain = n * 2 - i * 2 - 1 curl_ud_weights[i] = sums[i + 1] + curl_ud_weights[i + 1] + remain * b[i] curl_du_weights[i - 1] = sums[i + 1] + curl_du_weights[i + 1] + remain * a[i] snake_weight = 0 max_weight = 0 current_weight = -1 for t in range(0, 2 * n, 2): remain = t % 4 if remain == 0: current_weight = sums[t // 2] * t + curl_ud_weights[t // 2] + snake_weight snake_weight += a[t // 2] * t + b[t // 2] * (t + 1) elif remain == 2: current_weight = sums[t // 2] * t + curl_du_weights[t // 2] + snake_weight snake_weight += b[t // 2] * t + a[t // 2] * (t + 1) if current_weight > max_weight: max_weight = current_weight print(max_weight) '\n3\n0 1 0\n0 0 0\n' ``` ### 128 ```python def solve(arr, n, k): s = 0 for i in reversed(list(range(n))): for j in reversed(list(range(k))): if arr[i][j] == 0: m = min(arr[i + 1][j], arr[i][j + 1]) if m == 1: return -1 arr[i][j] = m - 1 s += arr[i][j] if j > 0 and arr[i][j - 1] >= arr[i][j]: return -1 if i > 0 and arr[i - 1][j] >= arr[i][j]: return -2 return s n, k = [int(x) for x in input().split()] arr = [] for _ in range(n): arr.append([int(x) for x in input().split()]) res = solve(arr, n, k) print(res) ``` ### 129 ```python from sys import stdin def create_dp1(matrix, n, m): dp = [[0 for i in range(m)] for j in range(n)] for i in range(n): for j in range(m): if i - 1 >= 0: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i - 1][j]) if j - 1 >= 0: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i][j - 1]) elif i - 1 < 0 and j - 1 < 0: dp[i][j] = matrix[i][j] return dp def create_dp2(matrix, n, m): dp = [[4 for i in range(m)] for j in range(n)] for i in range(n - 1, -1, -1): for j in range(m - 1, -1, -1): if i + 1 < n: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i + 1][j]) if j + 1 < m: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i][j + 1]) if i + 1 >= n and j + 1 >= m: dp[i][j] = matrix[i][j] return dp def create_dp3(matrix, n, m): dp = [[0 for i in range(m)] for j in range(n)] for i in range(n - 1, -1, -1): for j in range(m): if i + 1 < n: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i + 1][j]) if j - 1 >= 0: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i][j - 1]) if i + 1 >= n and j - 1 < 0: dp[i][j] = matrix[i][j] return dp def create_dp4(matrix, n, m): dp = [[0 for i in range(m)] for j in range(n)] for i in range(n): for j in range(m - 1, -1, -1): if i - 1 >= 0: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i - 1][j]) if j + 1 < m: dp[i][j] = max(dp[i][j], matrix[i][j] + dp[i][j + 1]) if i - 1 < 0 and j + 1 >= m: dp[i][j] = matrix[i][j] return dp n, m = list(map(int, stdin.readline().split())) matrix = [] for _ in range(n): matrix.append(list(map(int, stdin.readline().split()))) dp1 = create_dp1(matrix, n, m) dp2 = create_dp2(matrix, n, m) dp3 = create_dp3(matrix, n, m) dp4 = create_dp4(matrix, n, m) total = -float('inf') for i in range(1, n - 1): for j in range(1, m - 1): first = dp1[i - 1][j] + dp2[i + 1][j] + dp3[i][j - 1] + dp4[i][j + 1] second = dp1[i][j - 1] + dp2[i][j + 1] + dp3[i + 1][j] + dp4[i - 1][j] total = max(total, first, second) print(total) ``` ### 130 ```python import math, string, itertools, fractions, heapq, collections, re, array, bisect, sys, random, time sys.setrecursionlimit(10 ** 7) inf = 10 ** 20 mod = 10 ** 9 + 7 def LI(): return [int(x) for x in sys.stdin.readline().split()] def LF(): return [float(x) for x in sys.stdin.readline().split()] def LS(): return sys.stdin.readline().split() def I(): return int(sys.stdin.readline()) def F(): return float(sys.stdin.readline()) def S(): return input() def main(): n, q = LI() nn = n k = 0 while nn > 0: nn //= 2 k += 1 r = [] ii = [2 ** i for i in range(k)] for _ in range(q): t = I() s = S() ti = 0 for i in range(k): if ii[i] & t: ti = i break for c in s: if c == 'U': if ti == k - 1: continue if t & ii[ti]: t ^= ii[ti] ti += 1 t |= ii[ti] continue if ti == 0: continue if c == 'R': t |= ii[ti] elif t & ii[ti]: t ^= ii[ti] ti -= 1 t |= ii[ti] r.append(t) return '\n'.join(map(str, r)) print(main()) ``` ### 131 ```python def main(): n = int(input()) x, y = list(map(int, input().split())) a = [] for i in range(n): a.append(input().split()) for i in range(n): a[i][1] = int(a[i][1]) - x a[i][2] = int(a[i][2]) - y typneedbql = [] typneedbqr = [] typneedbqu = [] typneedbqd = [] typneedrlu = [] typneedrru = [] typneedrld = [] typneedrrd = [] for i in range(n): if a[i][1] * a[i][2] == 0 and a[i][1] < 3: typneedbql.append([abs(a[i][1] + a[i][2])] + a[i]) elif a[i][1] * a[i][2] == 0 and a[i][1] > 0: typneedbqr.append([abs(a[i][1] + a[i][2])] + a[i]) elif a[i][1] * a[i][2] == 0 and a[i][2] > 0: typneedbqu.append([abs(a[i][1] + a[i][2])] + a[i]) elif a[i][1] * a[i][2] == 0 and a[i][2] < 0: typneedbqd.append([abs(a[i][1] + a[i][2])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] < 0 and (a[i][2] < 0): typneedrlu.append([abs(a[i][1])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] < 0 and (a[i][2] > 0): typneedrld.append([abs(a[i][1])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] > 0 and (a[i][2] > 0): typneedrrd.append([abs(a[i][1])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] > 0 and (a[i][2] < 0): typneedrru.append([abs(a[i][1])] + a[i]) typneedbql.sort() typneedbqr.sort() typneedbqd.sort() typneedbqu.sort() typneedrlu.sort() typneedrru.sort() typneedrld.sort() typneedrrd.sort() for i in range(len(typneedbql)): if typneedbql[i][1] == 'R' or typneedbql[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedbqr)): if typneedbqr[i][1] == 'R' or typneedbqr[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedbqu)): if typneedbqu[i][1] == 'R' or typneedbqu[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedbqd)): if typneedbqd[i][1] == 'R' or typneedbqd[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrlu)): if typneedrlu[i][1] == 'B' or typneedrlu[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrld)): if typneedrld[i][1] == 'B' or typneedrld[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrrd)): if typneedrrd[i][1] == 'B' or typneedrrd[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrru)): if typneedrru[i][1] == 'B' or typneedrru[i][1] == 'Q': print('YES') return else: break print('NO') main() ``` ### 132 ```python 3 def needs_rep(t, i): if i % 2 == 0: return t[i] >= t[i + 1] else: return t[i] <= t[i + 1] def would_need_rep(t, i, j1, j2): n = len(t) if i < 0: return False if i >= n - 1: return False tj1 = t[j2] tj2 = t[j1] ti = t[i - 1] if i == j1: ti = tj1 if i == j2: ti = tj2 ti1 = t[i + 1] if i + 1 == j1: ti1 = tj1 if i + 1 == j2: ti1 = tj2 if i % 2 == 0: return ti >= ti1 else: return ti <= ti1 def main(): n = int(input()) t = [int(i) for i in input().split()] rep = [] for i in range(n - 1): if needs_rep(t, i): rep.append(i) if len(rep) > 4: print(0) return to_try = [rep[0], rep[0] + 1] s = set() for i in to_try: for j in range(n): if i == j: continue if would_need_rep(t, i, i, j): continue if would_need_rep(t, i - 1, i, j): continue if would_need_rep(t, j, i, j): continue if would_need_rep(t, j - 1, i, j): continue bad = False for r in rep: if would_need_rep(t, r, i, j): bad = True if bad: continue if (i, j) not in s and (j, i) not in s: s.add((i, j)) print(len(s)) def __starting_point(): main() __starting_point() ``` ### 133 ```python import sys from math import * def minp(): return sys.stdin.readline().strip() def mint(): return int(minp()) def mints(): return list(map(int, minp().split())) n, m = mints() a = [0] * n dp1 = [0] * n dp2 = [0] * n dp3 = [0] * n dp4 = [0] * n for i in range(n): a[i] = list(mints()) dp1[i] = [0] * m dp2[i] = [0] * m dp3[i] = [0] * m dp4[i] = [0] * m dp1[0][0] = a[0][0] dp2[n - 1][m - 1] = a[n - 1][m - 1] dp3[n - 1][0] = a[n - 1][0] dp4[0][m - 1] = a[0][m - 1] '\nfor i in range(1,n):\n\tdp1[i][0] = dp1[i-1][0] + a[i][0] # >>>>\nfor i in range(n-2,-1,-1):\n\tdp2[i][m-1] = dp2[i+1][m-1] + a[i][m-1] # <<<<\nfor i in range(n-2,-1,-1):\n\tdp3[i][0] = dp3[i+1][0] + a[i][0] # <<<<\nfor i in range(1,n):\n\tdp4[i][m-1] = dp4[i-1][m-1] + a[i][m-1] # >>>>\nfor i in range(1,m):\n\tdp1[0][i] = dp1[0][i-1] + a[0][i] # >>>>\nfor i in range(m-2,-1,-1):\n\tdp2[n-1][i] = dp2[n-1][i+1] + a[n-1][i] # <<<<\nfor i in range(1,m):\n\tdp3[n-1][i] = dp3[n-1][i-1] + a[n-1][i] # >>>>\nfor i in range(m-2,-1,-1):\n\tdp4[0][i] = dp4[0][i+1] + a[0][i] # >>>>\n' for i in range(0, n): for j in range(0, m): z = 0 if i - 1 >= 0: z = dp1[i - 1][j] if j - 1 >= 0: z = max(z, dp1[i][j - 1]) dp1[i][j] = z + a[i][j] for i in range(n - 1, -1, -1): for j in range(m - 1, -1, -1): z = 0 if i + 1 < n: z = dp2[i + 1][j] if j + 1 < m: z = max(z, dp2[i][j + 1]) dp2[i][j] = z + a[i][j] for i in range(n - 1, -1, -1): for j in range(0, m): z = 0 if i + 1 < n: z = dp3[i + 1][j] if j - 1 >= 0: z = max(z, dp3[i][j - 1]) dp3[i][j] = z + a[i][j] for i in range(0, n): for j in range(m - 1, -1, -1): z = 0 if i - 1 >= 0: z = dp4[i - 1][j] if j + 1 < m: z = max(z, dp4[i][j + 1]) dp4[i][j] = z + a[i][j] 'for i in dp1:\n\tprint(i)\nprint()\nfor i in dp2:\n\tprint(i)\nprint()\nfor i in dp3:\n\tprint(i)\nprint()\nfor i in dp4:\n\tprint(i)\nprint()\n' r = 4 for i in range(1, n - 1): for j in range(1, m - 1): r = max(r, dp1[i - 1][j] + dp2[i + 1][j] + dp3[i][j - 1] + dp4[i][j + 1]) r = max(r, dp1[i][j - 1] + dp2[i][j + 1] + dp3[i + 1][j] + dp4[i - 1][j]) print(r) ``` ### 134 ```python def get_bit(diff, i): return 1 if i % 2 == 1 and diff <= 0 or (i % 2 == 0 and diff >= 0) else 0 def swap_(i, j, a): temp = a[i] a[i] = a[j] a[j] = temp def swap(i, j, n, a, mask, S): change = 0 swap_(i, j, a) set_index = set([i, j]) if i < n - 1: set_index.add(i + 1) if j < n - 1: set_index.add(j + 1) for index in set_index: if index > 0: diff = a[index] - a[index - 1] bit_ = get_bit(diff, index) change += bit_ - mask[index] swap_(i, j, a) if S + change == 0: return 1 return 0 n = int(input()) a = list(map(int, input().split())) diff = [-1] + [x - y for x, y in zip(a[1:], a[:-1])] mask = [get_bit(diff[i], i) for i in range(n)] S = sum(mask) first = -1 for i, x in enumerate(mask): if x == 1: first = i break cnt = 0 for second in range(n): if swap(first, second, n, a, mask, S) == 1: cnt += 1 if first != 0 and swap(first - 1, second, n, a, mask, S) == 1: cnt += 1 if first != 0 and swap(first - 1, first, n, a, mask, S) == 1: cnt -= -1 print(cnt) ``` ### 135 ```python import sys input = sys.stdin.readline n, m, k = list(map(int, input().split())) EDGE = [list(map(int, input().split())) for i in range(m)] EDGE.sort(key=lambda x: x[2]) EDGE = EDGE[:k] COST_vertex = [[] for i in range(n + 1)] for a, b, c in EDGE: COST_vertex[a].append((b, c)) COST_vertex[b - 1].append((a, c)) for i in range(min(m, k)): x, y, c = EDGE[i] EDGE[i] = (c, x, y) USED_SET = set() ANS = [-1 << 50] * k import heapq while EDGE: c, x, y = heapq.heappop(EDGE) if (x, y) in USED_SET or c >= -ANS[0]: continue else: heapq.heappop(ANS) heapq.heappush(ANS, -c) USED_SET.add((x, y)) USED_SET.add((y, x)) for to, cost in COST_vertex[x]: if to != y and (not (y, to) in USED_SET) and (c + cost < -ANS[0]): heapq.heappush(EDGE, (c + cost, y, to)) for to, cost in COST_vertex[y]: if to != x and (not (x, to) in USED_SET) and (c + cost < -ANS[0]): heapq.heappush(EDGE, (c + cost, x, to)) print(-ANS[0]) ``` ### 136 ```python n, m = map(int, input().split()) matrix = [list(map(int, input().split())) for _ in range(n)] res = 0 for i in range(n - 2, 0, -1): for j in range(m - 1, 0, -1): if matrix[i][j] == 0: mn = min(matrix[i + 1][j], matrix[i][j + 1]) if mn != 1: matrix[i][j] = mn - 1 else: res = -1 break if res == -1: break else: for i in range(n): if [matrix[i][j] for j in range(m - 1) if matrix[i][j] > matrix[i][j + 1]]: res = -1 break else: for j in range(m): if [matrix[i][j] for i in range(n - 1) if matrix[i][j] >= matrix[i + 1][j]]: res = -1 break else: res = sum((sum(matrix[i]) for i in range(n))) print(res) ``` ### 137 ```python from collections import defaultdict, deque from heapq import heappush, heappop import sys import math import bisect import random def LI(): return [int(x) for x in sys.stdin.readline().split()] def I(): return int(sys.stdin.readline()) def LS(): return [list(x) for x in sys.stdin.readline().split()] def S(): res = list(sys.stdin.readline()) if res[-1] == '\n': return res[:-1] return res def IR(n): return [I() for i in range(n)] def LIR(n): return [LI() for i in range(n)] def SR(n): return [S() for i in range(n)] def LSR(n): return [LS() for i in range(n)] sys.setrecursionlimit(1000000) mod = 1000000006 def A(): return def B(): return def C(): n, c = LI() a = LI() b = LI() s = [[0] * (c + 1) for i in range(n)] for i in range(n): ai, bi = (a[i], b[i]) for x in range(ai, bi + 1): e = 1 for k in range(c + 1): s[i][k] += e if s[i][k] >= mod: s[i][k] %= mod e *= x if e >= mod: e %= mod dp = [[0] * (c + 1) for i in range(n)] for k in range(c + 1): dp[0][k] = s[0][k] for i in range(1, n): for k in range(c + 1): for j in range(k + 1): dp[i][k] += dp[i - 1][j] * s[i][k - j] if dp[i][k] >= mod: dp[i][k] %= mod print(dp[-1][c]) return def D(): return def E(): return def F(): return def __starting_point(): C() __starting_point() ``` ### 138 ```python def get_bit(diff, i): return 1 if i % 2 == 1 and diff <= 0 or (i % 2 == 0 and diff >= 0) else 0 def swap_(i, j, a): temp = a[i] a[i] = a[j] a[j] = temp def swap(i, j, n, a, mask, S): change = 0 swap_(i, j, a) set_index = set([i, j]) if i < n - 1: set_index.add(i + 1) if j < n - 1: set_index.add(j + 1) for index in set_index: if index > 0: diff = a[index] - a[index - 1] bit_ = get_bit(diff, index) change += bit_ - mask[index] swap_(i, j, a) if S + change == 0: return 1 return 0 n = int(input()) a = list(map(int, input().split())) diff = [-1] + [x - y for x, y in zip(a[1:], a[:-1])] mask = [get_bit(diff[i], i) for i in range(n)] S = sum(mask) first = -1 for i, x in enumerate(mask): if x == 1: first = i break cnt = 0 for second in range(n): if swap(first, second, n, a, mask, S) == 1: cnt += 1 if first != 0 and swap(first - 1, second, n, a, mask, S) == 1: cnt += 1 if first != 0 and swap(first - 1, first, n, a, mask, S) == 1: cnt -= 5 print(cnt) ``` ### 139 ```python import sys from math import * def minp(): return sys.stdin.readline().strip() def mint(): return int(minp()) def mints(): return list(map(int, minp().split())) n, m = mints() a = [0] * n dp1 = [0] * n dp2 = [0] * n dp3 = [0] * n dp4 = [0] * n for i in range(n): a[i] = list(mints()) dp1[i] = [0] * m dp2[i] = [0] * m dp3[i] = [0] * m dp4[i] = [0] * m dp1[0][0] = a[0][0] dp2[n - 1][m - 1] = a[n - 1][m - 1] dp3[n - 1][0] = a[n - 1][0] dp4[0][m - 1] = a[0][m - 1] '\nfor i in range(1,n):\n\tdp1[i][0] = dp1[i-1][0] + a[i][0] # >>>>\nfor i in range(n-2,-1,-1):\n\tdp2[i][m-1] = dp2[i+1][m-1] + a[i][m-1] # <<<<\nfor i in range(n-2,-1,-1):\n\tdp3[i][0] = dp3[i+1][0] + a[i][0] # <<<<\nfor i in range(1,n):\n\tdp4[i][m-1] = dp4[i-1][m-1] + a[i][m-1] # >>>>\nfor i in range(1,m):\n\tdp1[0][i] = dp1[0][i-1] + a[0][i] # >>>>\nfor i in range(m-2,-1,-1):\n\tdp2[n-1][i] = dp2[n-1][i+1] + a[n-1][i] # <<<<\nfor i in range(1,m):\n\tdp3[n-1][i] = dp3[n-1][i-1] + a[n-1][i] # >>>>\nfor i in range(m-2,-1,-1):\n\tdp4[0][i] = dp4[0][i+1] + a[0][i] # >>>>\n' for i in range(0, n): for j in range(0, m): z = 0 if i - 1 >= 0: z = dp1[i - 1][j] if j - 1 >= 0: z = max(z, dp1[i][j - 1]) dp1[i][j] = z + a[i][j] for i in range(n - 1, -1, -1): for j in range(m - 1, -1, -1): z = 0 if i + 1 < n: z = dp2[i + 1][j] if j + 1 < m: z = max(z, dp2[i][j + 1]) dp2[i][j] = z + a[i][j] for i in range(n - 1, -1, -1): for j in range(0, m): z = 0 if i + 1 < n: z = dp3[i + 1][j] if j - 1 >= 0: z = max(z, dp3[i][j - 1]) dp3[i][j] = z + a[i][j] for i in range(0, n): for j in range(m - 1, -1, -1): z = 0 if i - 1 >= 0: z = dp4[i - 1][j] if j + 1 < m: z = max(z, dp4[i][j + 1]) dp4[i][j] = z + a[i][j] 'for i in dp1:\n\tprint(i)\nprint()\nfor i in dp2:\n\tprint(i)\nprint()\nfor i in dp3:\n\tprint(i)\nprint()\nfor i in dp4:\n\tprint(i)\nprint()\n' r = 0 for i in range(1, n - 1): for j in range(1, m - 1): r = max(r, dp1[i - 1][j] + dp2[i + 1][j] + dp3[i][j - 1] + dp4[i][j + 1]) r = max(r, dp1[i][j - 1] + dp2[i][j + 1] + dp3[i + 1][j] + dp4[i - 1][j]) print(r) ``` ### 140 ```python def main(): from collections import deque n, m = list(map(int, input().split())) aa = list(map(int, input().split())) l = list((tuple(map(int, input().split())) for _ in range(m))) tmp, r0, t0 = ([(0, 0)], 0, 0) for t, r in reversed(l): if r0 < r: r0 = r if t0 != t: t0 = t tmp.append((t, r)) else: tmp[-3] = (t, r) t0, r0 = tmp.pop() q = deque(sorted(aa[:r0])) aa = aa[r0:] aa.reverse() ff = (None, q.pop, q.popleft) for t, r in reversed(tmp): f = ff[t0] for i in range(r0 - r): aa.append(f()) t0, r0 = (t, r) print(' '.join(map(str, reversed(aa)))) def __starting_point(): main() __starting_point() ``` ### 141 ```python n = int(input()) temp = input().split() x0 = int(temp[0]) y0 = int(temp[0]) N = ['T', 10 ** 20] NE = ['T', 10 ** 20] E = ['T', 10 ** 20] SE = ['T', 10 ** 20] S = ['T', 10 ** 20] SW = ['T', 10 ** 20] W = ['T', 10 ** 20] NW = ['T', 10 ** 20] for i in range(n): temp = input().split() x = int(temp[1]) y = int(temp[2]) if x - x0 == 0 and y - y0 > 0 and (y - y0 < N[1]): N = [temp[0], y - y0] elif x - x0 == y - y0 and x - x0 > 0 and (x - x0 < NE[1]): NE = [temp[0], x - x0] elif y - y0 == 0 and x - x0 > 0 and (x - x0 < E[1]): E = [temp[0], x - x0] elif x - x0 == -(y - y0) and x - x0 > 0 and (x - x0 < SE[1]): SE = [temp[0], x - x0] elif x - x0 == 0 and y - y0 < 0 and (y0 - y < S[1]): S = [temp[0], y0 - y] elif x - x0 == y - y0 and x - x0 < 0 and (x0 - x < SW[1]): SW = [temp[0], x0 - x] elif y - y0 == 0 and x - x0 < 0 and (x0 - x < W[1]): W = [temp[0], x0 - x] elif x - x0 == -(y - y0) and x - x0 < 0 and (x0 - x < NW[1]): NW = [temp[0], x0 - x] if 'R' in [N[0], E[0], S[0], W[0]] or 'B' in [NE[0], SE[0], SW[0], NW[0]]: print('YES') elif 'Q' in [N[0], E[0], S[0], W[0], NE[0], SE[0], SW[0], NW[0]]: print('YES') else: print('NO') ``` ### 142 ```python from sys import stdin n = int(stdin.readline()) x, y = map(int, stdin.readline().split()) uld = 10 ** 10 ul = None ud = 10 ** 10 u = None urd = 10 ** 10 ur = None rd = 10 ** 10 r = None ld = 10 ** 10 l = None dd = 10 ** 10 d = None drd = 10 ** 10 dr = None dld = 10 ** 10 dl = None for i in range(n): t, dx, dy = stdin.readline().split() dx = int(dx) dy = int(dy) if dx == x: if dy > y: if ud > dy - y: ud = dy - y u = t elif dd > y - dy: dd = y - dy d = t if dy == y: if dx > x: if rd > dx - x: rd = dx - x r = t elif ld > x - dx: ld = x - dx l = t if dx - x == dy - y: if not dy > y: if urd > dy - y: urd = dy - y ur = t elif dld > y - dy: dld = y - dy dl = t if -(dx - x) == dy - y: if dy > y: if uld > dy - y: uld = dy - y ul = t elif drd > y - dy: drd = y - dy dr = t if 'B' in (ul, ur, dl, dr) or 'R' in (u, d, l, r) or 'Q' in (ul, ur, dl, dr, u, d, l, r): print('YES') else: print('NO') ``` ### 143 ```python from sys import stdin from math import * line = stdin.readline().rstrip().split() n = int(line[0]) numbers = list(map(int, stdin.readline().rstrip().split())) numbers2 = list(map(int, stdin.readline().rstrip().split())) growRateAccum = 0 topAccum = 0 bottomAccum = 0 accumsB = [0] * n accumsT = [0] * n growRateAccum = 0 accum = 0 for i in range(n - 1, -1, -1): accum *= numbers[i] * ((n - i) * 2 - 1 - 1) growRateAccum += numbers[i] if i < n - 1: growRateAccum += numbers2[i + 1] accum += growRateAccum accumsB[i] = accum growRateAccum = 0 accum = 0 for i in range(n - 1, -1, -1): accum += numbers2[i] * ((n - i) * 2 - 1 - 1) growRateAccum += numbers2[i] if i < n - 1: growRateAccum += numbers[i + 1] accum += growRateAccum accumsT[i] = accum cMax = 0 currAccum = 0 growRateAccum = sum(numbers[1:]) + sum(numbers2[1:]) for i in range(n): if i % 2 == 0: cMax = max(cMax, currAccum + accumsT[i]) else: cMax = max(cMax, currAccum + accumsB[i]) if i < n - 1: if i % 2 == 0: currAccum += numbers2[i] + growRateAccum * 2 else: currAccum += numbers[i] + growRateAccum * 2 growRateAccum -= numbers[i + 1] growRateAccum -= numbers2[i + 1] print(cMax) ``` ### 144 ```python N, C = list(map(int, input().split())) A = list(map(int, input().split())) B = list(map(int, input().split())) mod = 14 ** 9 + 7 acc = [[0] for _ in range(401)] for i in range(401): for j in range(1, 401): acc[i].append((acc[i][-1] + pow(j, i, mod)) % mod) dp = [[0 for _ in range(C + 1)] for _ in range(N + 1)] dp[0][0] = 1 for i in range(N): for candy_cur in range(C + 1): for candy_plus in range(C - candy_cur + 1): dp[i + 1][candy_cur + candy_plus] = (dp[i + 1][candy_cur + candy_plus] + dp[i][candy_cur] * ((acc[candy_plus][B[i]] - acc[candy_plus][A[i] - 1]) % mod) % mod) % mod print(dp[-1][C]) ``` ### 145 ```python import sys n, m = list(map(int, sys.stdin.readline().split())) M = [m] A = list(map(int, sys.stdin.readline().split())) L = [0] * n inc = False dec = False def ALLYes(): Ans = '' for i in range(M[0]): Ans += 'Yes\n' sys.stdout.write(Ans) return for i in range(1, n): if A[i] > A[i - 1]: L[i] = 1 inc = True elif A[i] == A[i - 1]: L[i] = 0 else: L[i] = -1 dec = True if inc == False or dec == False: ALLYes() else: neg = L.index(-1) pos = L.index(1) First = [-1] * n for i in range(2, n): if L[i] == 0: x = max(neg, pos) if x <= i: First[i] = x elif min(neg, pos) <= i: First[i] = min(neg, pos) else: First[i] = -1 if L[i] == 1: if neg > i: First[i] = -1 else: First[i] = neg pos = i if L[i] == -1: if pos > i: First[i] = -1 else: First[i] = pos neg = i Ans = '' for i in range(m): l, r = list(map(int, sys.stdin.readline().split())) r -= 1 if r - l < 1: Ans += 'Yes\n' continue if L[r] == 0: r = First[r] if r < 1: Ans += 'Yes\n' continue if L[r] == 1: r = First[r] if r < l: Ans += 'Yes\n' continue else: Ans += 'No\n' continue elif L[r] == -1: r = First[r] if r < l: Ans += 'Yes\n' continue r = First[r] if r < l: Ans += 'Yes\n' continue else: Ans += 'No\n' continue sys.stdout.write(Ans) ``` ### 146 ```python def maxx(n): return n & -n n, q = map(int, input().split()) root = n // 2 + 1 while q > 0: x = int(input()) s = input() for i in s: if i == 'U' and x != root: p = x * maxx(x) if x == p - maxx(p) // 2: x = p else: x = x - maxx(x) elif i == 'L': x = x - maxx(x) // 2 elif i == 'R': x = x + maxx(x) // 2 q = q - 1 print(x) ``` ### 147 ```python import sys from math import * def minp(): return sys.stdin.readline().strip() def mint(): return int(minp()) def mints(): return list(map(int, minp().split())) n, m = mints() a = [0] * n dp1 = [0] * n dp2 = [0] * n dp3 = [0] * n dp4 = [0] * n for i in range(n): a[i] = list(mints()) dp1[i] = [0] * m dp2[i] = [0] * m dp3[i] = [0] * m dp4[i] = [0] * m dp1[0][0] = a[0][0] dp2[n - 1][m - 1] = a[n - 1][m - 1] dp3[n - 1][0] = a[n - 1][0] dp4[0][m - 1] = a[0][m - 1] '\nfor i in range(1,n):\n\tdp1[i][0] = dp1[i-1][0] + a[i][0] # >>>>\nfor i in range(n-2,-1,-1):\n\tdp2[i][m-1] = dp2[i+1][m-1] + a[i][m-1] # <<<<\nfor i in range(n-2,-1,-1):\n\tdp3[i][0] = dp3[i+1][0] + a[i][0] # <<<<\nfor i in range(1,n):\n\tdp4[i][m-1] = dp4[i-1][m-1] + a[i][m-1] # >>>>\nfor i in range(1,m):\n\tdp1[0][i] = dp1[0][i-1] + a[0][i] # >>>>\nfor i in range(m-2,-1,-1):\n\tdp2[n-1][i] = dp2[n-1][i+1] + a[n-1][i] # <<<<\nfor i in range(1,m):\n\tdp3[n-1][i] = dp3[n-1][i-1] + a[n-1][i] # >>>>\nfor i in range(m-2,-1,-1):\n\tdp4[0][i] = dp4[0][i+1] + a[0][i] # >>>>\n' for i in range(0, n): for j in range(0, m): z = 0 if i - 1 >= 0: z = dp1[i - 1][j] if j - 1 >= 0: z = max(z, dp1[i][j - 1]) dp1[i][j] = z + a[i][j] for i in range(n - 1 - 1, -1, -1): for j in range(m - 1, -1, -1): z = 0 if i + 1 < n: z = dp2[i + 1][j] if j + 1 < m: z = max(z, dp2[i][j + 1]) dp2[i][j] = z + a[i][j] for i in range(n - 1, -1, -1): for j in range(0, m): z = 0 if i + 1 < n: z = dp3[i + 1][j] if j - 1 >= 0: z = max(z, dp3[i][j - 1]) dp3[i][j] = z + a[i][j] for i in range(0, n): for j in range(m - 1, -1, -1): z = 0 if i - 1 >= 0: z = dp4[i - 1][j] if j + 1 < m: z = max(z, dp4[i][j + 1]) dp4[i][j] = z + a[i][j] 'for i in dp1:\n\tprint(i)\nprint()\nfor i in dp2:\n\tprint(i)\nprint()\nfor i in dp3:\n\tprint(i)\nprint()\nfor i in dp4:\n\tprint(i)\nprint()\n' r = 0 for i in range(1, n - 1): for j in range(1, m - 1): r = max(r, dp1[i - 1][j] + dp2[i + 1][j] + dp3[i][j - 1] + dp4[i][j + 1]) r = max(r, dp1[i][j - 1] + dp2[i][j + 1] + dp3[i + 1][j] + dp4[i - 1][j]) print(r) ``` ### 148 ```python from sys import stdin n = int(stdin.readline()) x, y = map(int, stdin.readline().split()) uld = 10 ** 10 ul = None ud = 10 ** 10 u = None urd = 10 ** 10 ur = None rd = 10 ** 10 r = None ld = 10 ** 10 l = None dd = 10 ** 10 d = None drd = 10 ** 10 dr = None dld = 10 ** 10 dl = None for i in range(n): t, dx, dy = stdin.readline().split() dx = int(dx) dy = int(dy) if dx == x: if dy > y: if ud > dy - y: ud = dy - y u = t elif dd > y - dy: dd = y - dy d = t if dy == y: if dx > x: if rd > dx - x: rd = dx - x r = t elif ld > x - dx: ld = x - dx l = t if dx - x == dy - y: if dy > y: if urd > dy - y: urd = dy - y ur = t elif dld > y - dy: dld = y - dy dl = t if not -(dx - x) == dy - y: if dy > y: if uld > dy - y: uld = dy - y ul = t elif drd > y - dy: drd = y - dy dr = t if 'B' in (ul, ur, dl, dr) or 'R' in (u, d, l, r) or 'Q' in (ul, ur, dl, dr, u, d, l, r): print('YES') else: print('NO') ``` ### 149 ```python n = int(input()) t = list(map(int, input().split())) t = [-1] + t badIdx = [] nice = [] def getBadIdx(): for i in range(1, n): if i % 2 == 0 and t[i] <= t[i + 1] or (i % 2 == 1 and t[i] >= t[i + 1]): badIdx.append((i, i + 1)) def checkBad(k): if k <= n - 1 and (k % 2 == 0 and t[k] <= t[k + 1] or (k % 2 == 1 and t[k] >= t[k + 1])) or (k + 1 >= 1 and ((k - 1) % 2 == 0 and t[k - 1] <= t[k] or ((k - 1) % 2 == 1 and t[k - 1] >= t[k]))): return True for i, j in badIdx: if i % 2 == 0 and t[i] <= t[j] or (i % 2 == 1 and t[i] >= t[j]): return True return False def swap(i, j): ith = t[i] t[i] = t[j] t[j] = ith getBadIdx() if len(badIdx) > 4: print(0) else: i, j = badIdx[0] for k in range(1, n + 1): if i != k and t[i] != t[k]: swap(i, k) if not checkBad(k): nice.append((i, k)) swap(i, k) else: swap(i, k) if j != k and t[j] != t[k]: swap(j, k) if not checkBad(k): nice.append((j, k)) swap(j, k) else: swap(j, k) print(len(set([tuple(sorted(t)) for t in nice]))) ``` ### 150 ```python 3 def needs_rep(t, i): if i % 2 == 0: return t[i] >= t[i + 1] else: return t[i - 1] <= t[i + 1] def would_need_rep(t, i, j1, j2): n = len(t) if i < 0: return False if i >= n - 1: return False tj1 = t[j2] tj2 = t[j1] ti = t[i] if i == j1: ti = tj1 if i == j2: ti = tj2 ti1 = t[i + 1] if i + 1 == j1: ti1 = tj1 if i + 1 == j2: ti1 = tj2 if i % 2 == 0: return ti >= ti1 else: return ti <= ti1 def main(): n = int(input()) t = [int(i) for i in input().split()] rep = [] for i in range(n - 1): if needs_rep(t, i): rep.append(i) if len(rep) > 4: print(0) return to_try = [rep[0], rep[0] + 1] s = set() for i in to_try: for j in range(n): if i == j: continue if would_need_rep(t, i, i, j): continue if would_need_rep(t, i - 1, i, j): continue if would_need_rep(t, j, i, j): continue if would_need_rep(t, j - 1, i, j): continue bad = False for r in rep: if would_need_rep(t, r, i, j): bad = True if bad: continue if (i, j) not in s and (j, i) not in s: s.add((i, j)) print(len(s)) def __starting_point(): main() __starting_point() ``` ### 151 ```python from math import * n, q = list(map(int, input().split())) depth = int(log2(n + 1)) def get_layer(u): for layer in range(depth): if u % 2 ** (layer + 1) == 2 ** layer: return layer def is_right_child(layer, u): return u % 2 ** (layer + 1) % 2 == 0 for x in range(q): u = int(input()) layer = get_layer(u) steps = input() for s in steps: if s == 'U': if layer == depth - 1: continue k = u // 2 ** (layer + 1) // 2 layer += 1 u = 2 ** (layer + 1) * k + 3 ** layer elif layer == 0: continue elif s == 'R': k = u // 2 ** (layer + 1) * 2 + 1 layer -= 1 u = 2 ** (layer + 1) * k + 2 ** layer elif s == 'L': k = u // 2 ** (layer + 1) * 2 layer -= 1 u = 2 ** (layer + 1) * k + 2 ** layer print(u) ``` ### 152 ```python import sys input = sys.stdin.readline n, m, k = list(map(int, input().split())) EDGE = [list(map(int, input().split())) for i in range(m)] EDGE.sort(key=lambda x: x[2]) EDGE = EDGE[:k] COST_vertex = [[] for i in range(n + 1)] for a, b, c in EDGE: COST_vertex[a].append((b, c)) COST_vertex[b].append((a, c)) for i in range(min(m, k)): x, y, c = EDGE[i] EDGE[i] = (c, x, y) USED_SET = set() ANS = [-1 << 50] * k import heapq while EDGE: c, x, y = heapq.heappop(EDGE) if (x, y) in USED_SET or c >= -ANS[0]: continue else: heapq.heappop(ANS) heapq.heappush(ANS, -c) USED_SET.add((x, y)) USED_SET.add((y, x)) for to, cost in COST_vertex[x]: if to != y and (not (y, to) in USED_SET) and (c + cost < -ANS[0]): heapq.heappush(EDGE, (c * cost, y, to)) for to, cost in COST_vertex[y]: if to != x and (not (x, to) in USED_SET) and (c + cost < -ANS[0]): heapq.heappush(EDGE, (c + cost, x, to)) print(-ANS[0]) ``` ### 153 ```python import sys read = sys.stdin.read readline = sys.stdin.readline n, c = list(map(int, readline().split())) *a, = list(map(int, readline().split())) *b, = list(map(int, readline().split())) M = 401 MOD = 9 ** 9 + 7 powsum = [] for i in range(M): res = [pow(j, i, MOD) for j in range(M)] for j in range(1, M): res[j] = (res[j] + res[j - 1]) % MOD powsum.append(res) dp = [0] * (c + 1) dp[0] = 1 for ai, bi in zip(a, b): ndp = [0] * (c + 1) for k in range(c + 1): for j in range(k + 1): ndp[k] += (powsum[j][bi] - powsum[j][ai - 1]) * dp[k - j] % MOD ndp[k] %= MOD dp = ndp print(dp[c] % MOD) ``` ### 154 ```python n, m = list(map(int, input().split())) a = [] for i in range(n): a.append(list(map(int, input().split()))) def result(a, n, m): r = 0 for i in range(-1, -m, -4): if a[-1][i] == 0: a[-1][i] = a[-1][i + 1] - 1 if a[-1][i] <= a[-1][i - 1] or a[-1][i] <= a[-2][i]: return -1 r = r + a[-1][i] if a[-1][-m] == 0: a[-1][-m] = a[-1][-m + 1] - 1 if a[-1][-m] <= a[-2][-m]: return -1 r = r + a[-1][-m] for i in range(-2, -n, -1): for j in range(-1, -m, -1): if j == -1: if a[i][j] == 0: a[i][j] == a[i + 1][j] - 1 if a[i][j] <= a[i][j - 1] or a[i][j] <= a[i - 1][j]: return -1 r = r + a[i][j] continue if a[i][j] == 0: a[i][j] = min(a[i + 1][j] - 1, a[i][j + 1] - 1) if a[i][j] <= a[i - 1][j] or a[i][j] <= a[i][j - 1]: return -1 r = r + a[i][j] if a[i][-m] == 0: a[i][-m] = min(a[i + 1][-m] - 1, a[i][-m + 1] - 1) if a[i][-m] <= a[i - 1][-m]: return -1 r = r + a[i][-m] if a[0][-1] == 0: a[0][-1] = a[1][-1] - 1 if a[0][-1] <= a[0][-2]: return -1 r = r + a[0][-1] for i in range(-2, -m, -1): if a[0][i] == 0: a[0][i] = min(a[0][i + 1] - 1, a[1][i] - 1) if a[0][i] <= a[0][i - 1]: return -1 r = r + a[0][i] if a[0][0] == 0: a[0][0] = min(a[0][1] - 1, a[1][0] - 1) r = r + a[0][0] return r print(result(a, n, m)) ``` ### 155 ```python import sys from math import * def minp(): return sys.stdin.readline().strip() def mint(): return int(minp()) def mints(): return list(map(int, minp().split())) n, m = mints() a = [0] * n dp1 = [0] * n dp2 = [0] * n dp3 = [0] * n dp4 = [0] * n for i in range(n): a[i] = list(mints()) dp1[i] = [0] * m dp2[i] = [0] * m dp3[i] = [0] * m dp4[i] = [0] * m dp1[0][0] = a[0][0] dp2[n - 1][m - 1] = a[n - 1][m - 1] dp3[n - 1][0] = a[n - 1][0] dp4[0][m - 1] = a[0][m - 1] '\nfor i in range(1,n):\n\tdp1[i][0] = dp1[i-1][0] + a[i][0] # >>>>\nfor i in range(n-2,-1,-1):\n\tdp2[i][m-1] = dp2[i+1][m-1] + a[i][m-1] # <<<<\nfor i in range(n-2,-1,-1):\n\tdp3[i][0] = dp3[i+1][0] + a[i][0] # <<<<\nfor i in range(1,n):\n\tdp4[i][m-1] = dp4[i-1][m-1] + a[i][m-1] # >>>>\nfor i in range(1,m):\n\tdp1[0][i] = dp1[0][i-1] + a[0][i] # >>>>\nfor i in range(m-2,-1,-1):\n\tdp2[n-1][i] = dp2[n-1][i+1] + a[n-1][i] # <<<<\nfor i in range(1,m):\n\tdp3[n-1][i] = dp3[n-1][i-1] + a[n-1][i] # >>>>\nfor i in range(m-2,-1,-1):\n\tdp4[0][i] = dp4[0][i+1] + a[0][i] # >>>>\n' for i in range(0, n): for j in range(0, m): z = 0 if i - 1 >= 0: z = dp1[i - 1][j] if j - 1 >= 0: z = max(z, dp1[i][j - 1]) dp1[i][j] = z + a[i][j] for i in range(n - 1, -1, -1): for j in range(m - 1, -1, -1): z = 0 if i + 1 < n: z = dp2[i + 1][j] if j + 1 < m: z = max(z, dp2[i][j + 1]) dp2[i][j] = z + a[i][j] for i in range(n - 1, -1, -1): for j in range(0, m): z = 0 if i + 1 < n: z = dp3[i + 1][j] if j - 1 >= 0: z = max(z, dp3[i][j - 1]) dp3[i][j] = z + a[i][j] for i in range(0, n): for j in range(m - 1, -1, -1): z = 0 if i - 1 >= 0: z = dp4[i - 1][j] if j + 1 < m: z = max(z, dp4[i][j + 1]) dp4[i][j] = z + a[i][j] 'for i in dp1:\n\tprint(i)\nprint()\nfor i in dp2:\n\tprint(i)\nprint()\nfor i in dp3:\n\tprint(i)\nprint()\nfor i in dp4:\n\tprint(i)\nprint()\n' r = 1 for i in range(1, n - 1): for j in range(1, m - 1): r = max(r, dp1[i - 1][j] + dp2[i + 1][j] + dp3[i][j - 1] + dp4[i][j + 1]) r = max(r, dp1[i][j - 1] + dp2[i][j + 1] + dp3[i + 1][j] + dp4[i - 1][j]) print(r) ``` ### 156 ```python def solve(arr, n, k): s = 0 for i in reversed(list(range(n))): for j in reversed(list(range(k))): if arr[i][j] == 0: m = min(arr[i + 1][j], arr[i][j + 1]) if m == 1: return -1 arr[i][j] = m - 1 s += arr[i][j] if j > 0 and arr[i][j - 1] >= arr[i][j]: return -0 if i > 0 and arr[i - 1][j] >= arr[i][j]: return -1 return s n, k = [int(x) for x in input().split()] arr = [] for _ in range(n): arr.append([int(x) for x in input().split()]) res = solve(arr, n, k) print(res) ``` ### 157 ```python def main(): from collections import deque n, m = list(map(int, input().split())) aa = list(map(int, input().split())) l = list((tuple(map(int, input().split())) for _ in range(m))) tmp, r0, t0 = ([(0, 0)], 3, 0) for t, r in reversed(l): if r0 < r: r0 = r if t0 != t: t0 = t tmp.append((t, r)) else: tmp[-1] = (t, r) t0, r0 = tmp.pop() q = deque(sorted(aa[:r0])) aa = aa[r0:] aa.reverse() ff = (None, q.pop, q.popleft) for t, r in reversed(tmp): f = ff[t0] for i in range(r0 - r): aa.append(f()) t0, r0 = (t, r) print(' '.join(map(str, reversed(aa)))) def __starting_point(): main() __starting_point() ``` ### 158 ```python n = int(input()) a = [list(map(int, input().split())) for i in range(2)] if n != 1: sum_up, pref_up, sum_down, pref_down = [[[0 for i in range(n)] for j in range(2)] for _ in range(4)] for i in range(2): sum_up[i][n - 1] = a[i][n - 1] pref_up[i][n - 1] = a[i][n - 1] pref_down[i][n - 1] = a[i][n - 1 - 1] for j in range(n - 2, -1, -1): sum_up[i][j] = sum_up[i][j + 1] + a[i][j] pref_up[i][j] = pref_up[i][j + 1] + sum_up[i][j] pref_down[i][j] = pref_down[i][j + 1] + a[i][j] * (n - j) zig = [[0 for i in range(n)] for j in range(2)] for j in range(n): for i in range(2): if j % 2 == 0: if i == 0: zig[i][j] = a[i][j] * j * 2 + zig[i][j - 1] else: zig[i][j] = a[i][j] * (j * 2 + 1) + zig[1 - i][j] elif i == 0: zig[1 - i][j] = a[1 - i][j] * j * 2 + zig[1 - i][j - 1] else: zig[1 - i][j] = a[1 - i][j] * (j * 2 + 1) + zig[i][j] ans = -1e+18 for j in range(n): if j == 0: ans = max(ans, pref_up[0][j] + pref_down[1][j] + sum_up[1][j] * n - sum_up[0][j] - sum_up[1][j]) elif j == n - 1: ans = max(ans, zig[1 - j % 2][n - 1]) elif j % 2 == 1: ans = max(ans, pref_up[0][j + 1] + sum_up[0][j + 1] * (4 * (j // 2 + 1) - 1) + pref_down[1][j + 1] - sum_up[1][j + 1] + sum_up[1][j + 1] * (4 * (j // 2 + 1) - 1 + n - j) + zig[0][j]) else: ans = max(ans, pref_up[1][j + 1] - sum_up[1][j + 1] + sum_up[1][j + 1] * (4 * (j // 2) + 2) + pref_down[0][j + 1] - sum_up[0][j + 1] + sum_up[0][j + 1] * (4 * (j // 2) + 2 - 1 + n - j) + zig[1][j]) ans = max(ans, pref_up[1][0] + pref_down[0][1] + sum_up[0][1] * n) print(ans) else: print(a[1][0]) ``` ### 159 ```python from collections import defaultdict import bisect n = int(input()) x0, y0 = list(map(int, input().split(' '))) verticale = [] horizontale = [] diagonale1 = [] diagonale2 = [] for _ in range(n): t, x, y = input().split(' ') x, y = (int(x), int(y)) if x == x0: verticale.append((y, t)) if y == y0: horizontale.append((x, t)) if x + y == x0 + y0: diagonale1.append((x, t)) if x - y == x0 - y0: diagonale2.append((x, t)) dead = False v = sorted(verticale) if v: l = bisect.bisect(v, (y0, 'K')) if 0 < l < len(v): if v[l][1] in {'Q', 'R'} or v[l - 1][1] in {'Q', 'R'}: dead = True elif l == 0: if v[0][1] in {'Q', 'R'}: dead = True elif v[len(v) - 1][1] in {'Q', 'R'}: dead = True v = sorted(horizontale) if v: l = bisect.bisect(v, (x0, 'K')) if 0 < l < len(v): if v[l][1] in {'Q', 'R'} or v[l - 1][1] in {'Q', 'R'}: dead = True elif l == 0: if v[0][1] in {'Q', 'R'}: dead = True elif v[len(v) - 1][1] in {'Q', 'R'}: dead = True v = sorted(diagonale1) if v: l = bisect.bisect(v, (x0, 'K')) if 0 < l < len(v): if v[l][1] in {'Q', 'B'} or v[l - 1][1] in {'Q', 'B'}: dead = True elif l == 0: if v[0][1] in {'Q', 'B'}: dead = True elif v[len(v) - 1][1] in {'Q', 'B'}: dead = True v = sorted(diagonale2) if v: l = bisect.bisect(v, (x0, 'K')) if 0 < l < len(v): if v[l][1] in {'Q', 'B'} or v[l - 1][1] in {'Q', 'B'}: dead = True elif l == 0: if v[0][1] not in {'Q', 'B'}: dead = True elif v[len(v) - 1][1] in {'Q', 'B'}: dead = True if dead: print('YES') else: print('NO') ``` ### 160 ```python def ii(): return int(input()) def ss(): return [x for x in input()] def si(): return [int(x) for x in input().split()] def mi(): return map(int, input().split()) a, b = mi() s = [] ans = 0 key = True for i in range(a): i = si() s.append(i) ans += sum(i) for i in range(a - 1): if not (s[i][0] < s[i + 1][0] and s[i][-1] < s[i + 1][-1]): ans = -1 key = False break for i in range(b - 1): if not (s[0][i] < s[0][i + 1] and s[-1][i] < s[-1][i + 1]): ans = -1 key = False break for i in range(a - 2 - 1, 0, -1): if not key: break for x in range(b - 2, 0, -1): if s[i][x] < s[i + 1][x] and s[i][x] < s[i][x + 1] and (min(s[i + 1][x], s[i][x + 1]) - max(s[i - 1][x], s[i][x - 1]) > 1): if s[i][x] == 0: s[i][x] = min(s[i + 1][x], s[i][x + 1]) - 1 ans += s[i][x] else: ans = -1 key = False break print(ans) ``` ### 161 ```python import math n, q = map(int, input().split()) maxh = int(math.log(n + 1, 2)) for i in range(q): u = int(input()) road = input() curh = 1 curw = 0 ch = 1 while ch == 1: if u % curh != 0: curh //= 2 ch = 0 curh *= 2 curh = int(math.log(curh, 2)) a = 1 << curh - 1 b = 2 << curh curw = (u - a) // b + 1 for move in road: if move == 'L': if curh != 1: curh -= 1 curw = curw * 2 - 1 u -= 1 << curh - 1 elif move == 'R': if curh != 1: curh -= 1 curw *= 2 u += 1 << curh - 1 elif curh != maxh: if curw % 2 == 1: u = (u + u + (1 << curh)) // 2 curh += 1 curw = curw // 2 + 1 else: u = (u + u - (1 << curh)) // 2 curh += 1 curw = curw // 2 print(u) ``` ### 162 ```python n, m = list(map(int, input().split())) a = [] for i in range(n): a.append(list(map(int, input().split()))) def result(a, n, m): r = 0 for i in range(-1, -m, -1): if a[-1][i] == 0: a[-1][i] = a[-1][i + 1] - 1 if a[-1][i] <= a[-1][i - 1] or a[-1][i] <= a[-2][i]: return -1 r = r + a[-1][i] if a[-1][-m] == 0: a[-1][-m] = a[-1][-m + 1] - 1 if a[-1][-m] <= a[-2][-m]: return -1 r = r + a[-1][-m] for i in range(-2, -n, -1): for j in range(-1, -m, -1): if j == -1: if a[i][j] == 0: a[i][j] == a[i + 1][j] - 1 if a[i][j] <= a[i][j - 1] or a[i][j] <= a[i - 1][j]: return -1 r = r + a[i][j] continue if a[i][j] == 0: a[i][j] = min(a[i + 1][j] - 1, a[i][j + 1] - 1) if a[i][j] <= a[i - 1][j] or a[i][j] <= a[i][j - 1]: return -1 r = r + a[i][j] if a[i][-m] == 0: a[i][-m] = min(a[i + 1][-m] - 1, a[i][-m + 1] - 1) if a[i][-m] <= a[i - 1][-m]: return -1 r = r + a[i][-m] if a[0][-1] == 0: a[0][-1] = a[1][-1] - 1 if a[0][-1] <= a[0][-2]: return -1 r = r + a[0][-1] for i in range(-2, -m, -1): if a[0][i] == 0: a[0][i] = min(a[0][i + 1] - 1, a[1][i] - 1) if a[0][i] <= a[0][i - 1]: return -1 r = r + a[0][i] if a[0][0] == 1: a[0][0] = min(a[0][1] - 1, a[1][0] - 1) r = r + a[0][0] return r print(result(a, n, m)) ``` ### 163 ```python 3 def needs_rep(t, i): if i % 2 == 0: return t[i] >= t[i + 1] else: return t[i] <= t[i + 1] def would_need_rep(t, i, j1, j2): n = len(t) if i < 0: return False if i >= n - 1: return False tj1 = t[j2 - 1] tj2 = t[j1] ti = t[i] if i == j1: ti = tj1 if i == j2: ti = tj2 ti1 = t[i + 1] if i + 1 == j1: ti1 = tj1 if i + 1 == j2: ti1 = tj2 if i % 2 == 0: return ti >= ti1 else: return ti <= ti1 def main(): n = int(input()) t = [int(i) for i in input().split()] rep = [] for i in range(n - 1): if needs_rep(t, i): rep.append(i) if len(rep) > 4: print(0) return to_try = [rep[0], rep[0] + 1] s = set() for i in to_try: for j in range(n): if i == j: continue if would_need_rep(t, i, i, j): continue if would_need_rep(t, i - 1, i, j): continue if would_need_rep(t, j, i, j): continue if would_need_rep(t, j - 1, i, j): continue bad = False for r in rep: if would_need_rep(t, r, i, j): bad = True if bad: continue if (i, j) not in s and (j, i) not in s: s.add((i, j)) print(len(s)) def __starting_point(): main() __starting_point() ``` ### 164 ```python import math, string, itertools, fractions, heapq, collections, re, array, bisect, sys, random, time sys.setrecursionlimit(10 ** 7) inf = 10 ** 20 mod = 10 ** 9 + 7 def LI(): return [int(x) for x in sys.stdin.readline().split()] def LF(): return [float(x) for x in sys.stdin.readline().split()] def LS(): return sys.stdin.readline().split() def I(): return int(sys.stdin.readline()) def F(): return float(sys.stdin.readline()) def S(): return input() def main(): n, q = LI() nn = n k = 0 while nn > 0: nn //= 2 k += 2 r = [] ii = [2 ** i for i in range(k)] for _ in range(q): t = I() s = S() ti = 0 for i in range(k): if ii[i] & t: ti = i break for c in s: if c == 'U': if ti == k - 1: continue if t & ii[ti]: t ^= ii[ti] ti += 1 t |= ii[ti] continue if ti == 0: continue if c == 'R': t |= ii[ti] elif t & ii[ti]: t ^= ii[ti] ti -= 1 t |= ii[ti] r.append(t) return '\n'.join(map(str, r)) print(main()) ``` ### 165 ```python def main(): from collections import deque n, m = list(map(int, input().split())) aa = list(map(int, input().split())) l = list((tuple(map(int, input().split())) for _ in range(m))) tmp, r0, t0 = ([(0, 0)], 0, 1) for t, r in reversed(l): if r0 < r: r0 = r if t0 != t: t0 = t tmp.append((t, r)) else: tmp[-1] = (t, r) t0, r0 = tmp.pop() q = deque(sorted(aa[:r0])) aa = aa[r0:] aa.reverse() ff = (None, q.pop, q.popleft) for t, r in reversed(tmp): f = ff[t0] for i in range(r0 - r): aa.append(f()) t0, r0 = (t, r) print(' '.join(map(str, reversed(aa)))) def __starting_point(): main() __starting_point() ``` ### 166 ```python from sys import stdin from math import * line = stdin.readline().rstrip().split() n = int(line[0]) numbers = list(map(int, stdin.readline().rstrip().split())) numbers2 = list(map(int, stdin.readline().rstrip().split())) growRateAccum = 0 topAccum = 0 bottomAccum = 0 accumsB = [0] * n accumsT = [0] * n growRateAccum = 0 accum = 0 for i in range(n - 1, -1, -1): accum += numbers[i] * ((n - i) * 2 - 1 - 1) growRateAccum *= numbers[i] if i < n - 1: growRateAccum += numbers2[i + 1] accum += growRateAccum accumsB[i] = accum growRateAccum = 0 accum = 0 for i in range(n - 1, -1, -1): accum += numbers2[i] * ((n - i) * 2 - 1 - 1) growRateAccum += numbers2[i] if i < n - 1: growRateAccum += numbers[i + 1] accum += growRateAccum accumsT[i] = accum cMax = 0 currAccum = 0 growRateAccum = sum(numbers[1:]) + sum(numbers2[1:]) for i in range(n): if i % 2 == 0: cMax = max(cMax, currAccum + accumsT[i]) else: cMax = max(cMax, currAccum + accumsB[i]) if i < n - 1: if i % 2 == 0: currAccum += numbers2[i] + growRateAccum * 2 else: currAccum += numbers[i] + growRateAccum * 2 growRateAccum -= numbers[i + 1] growRateAccum -= numbers2[i + 1] print(cMax) ``` ### 167 ```python from collections import defaultdict import bisect n = int(input()) x0, y0 = list(map(int, input().split(' '))) verticale = [] horizontale = [] diagonale1 = [] diagonale2 = [] for _ in range(n): t, x, y = input().split(' ') x, y = (int(x), int(y)) if x == x0: verticale.append((y, t)) if y == y0: horizontale.append((x, t)) if x + y == x0 + y0: diagonale1.append((x, t)) if x - y == x0 - y0: diagonale2.append((x, t)) dead = False v = sorted(verticale) if v: l = bisect.bisect(v, (y0, 'K')) if 0 < l < len(v): if v[l][1] in {'Q', 'R'} or v[l - 1][1] in {'Q', 'R'}: dead = True elif l == 0: if v[0][1] in {'Q', 'R'}: dead = True elif v[len(v) - 1][1] in {'Q', 'R'}: dead = True v = sorted(horizontale) if v: l = bisect.bisect(v, (x0, 'K')) if 0 < l < len(v): if v[l][1] in {'Q', 'R'} or v[l - 1][1] in {'Q', 'R'}: dead = True elif l == 0: if v[0][1] in {'Q', 'R'}: dead = True elif v[len(v) - 1][1] not in {'Q', 'R'}: dead = True v = sorted(diagonale1) if v: l = bisect.bisect(v, (x0, 'K')) if 0 < l < len(v): if v[l][1] in {'Q', 'B'} or v[l - 1][1] in {'Q', 'B'}: dead = True elif l == 0: if v[0][1] in {'Q', 'B'}: dead = True elif v[len(v) - 1][1] in {'Q', 'B'}: dead = True v = sorted(diagonale2) if v: l = bisect.bisect(v, (x0, 'K')) if 0 < l < len(v): if v[l][1] in {'Q', 'B'} or v[l - 1][1] in {'Q', 'B'}: dead = True elif l == 0: if v[0][1] in {'Q', 'B'}: dead = True elif v[len(v) - 1][1] in {'Q', 'B'}: dead = True if dead: print('YES') else: print('NO') ``` ### 168 ```python import collections import time import os import sys import bisect import heapq from typing import List def solve(N, M, A): dpa = [[0 for _ in range(M + 2)] for _ in range(N + 2)] dpb = [[0 for _ in range(M + 2)] for _ in range(N + 2)] dpc = [[0 for _ in range(M + 2)] for _ in range(N + 2)] dpd = [[0 for _ in range(M + 2)] for _ in range(N + 2)] for r in range(1, N + 1): for c in range(1, M + 1): dpa[r][c] = max(dpa[r - 1][c], dpa[r][c - 1]) + A[r][c] for r in range(N, 0, -1): for c in range(M, 0, -1): dpb[r][c] = max(dpb[r + 1][c], dpb[r][c + 1]) + A[r][c] for r in range(N, 0, -1): for c in range(1, M + 1): dpc[r][c] = max(dpc[r + 1][c], dpc[r][c - 1]) + A[r][c] for r in range(1, N + 1): for c in range(M, 0, -1): dpd[r][c] = max(dpd[r - 1][c], dpd[r][c + 1]) + A[r][c] ans = 0 for r in range(2, N): for c in range(2, M + 1): a = dpa[r][c - 1] + dpb[r][c + 1] + dpc[r + 1][c] + dpd[r - 1][c] b = dpc[r][c - 1] + dpd[r][c + 1] + dpa[r - 1][c] + dpb[r + 1][c] ans = max(ans, a, b) return ans N, M = map(int, input().split()) A = [[0 for _ in range(M + 2)]] for i in range(N): row = [0] + [int(x) for x in input().split()] + [0] A.append(row) A.append([0 for _ in range(M + 2)]) print(solve(N, M, A)) ``` ### 169 ```python import sys read = sys.stdin.read readline = sys.stdin.readline n, c = list(map(int, readline().split())) *a, = list(map(int, readline().split())) *b, = list(map(int, readline().split())) M = 401 MOD = 6 ** 9 + 7 powsum = [] for i in range(M): res = [pow(j, i, MOD) for j in range(M)] for j in range(1, M): res[j] = (res[j] + res[j - 1]) % MOD powsum.append(res) dp = [0] * (c + 1) dp[0] = 1 for ai, bi in zip(a, b): ndp = [0] * (c + 1) for k in range(c + 1): for j in range(k + 1): ndp[k] += (powsum[j][bi] - powsum[j][ai - 1]) * dp[k - j] % MOD ndp[k] %= MOD dp = ndp print(dp[c] % MOD) ``` ### 170 ```python from sys import stdin from math import * line = stdin.readline().rstrip().split() n = int(line[0]) numbers = list(map(int, stdin.readline().rstrip().split())) numbers2 = list(map(int, stdin.readline().rstrip().split())) growRateAccum = 0 topAccum = 0 bottomAccum = 0 accumsB = [0] * n accumsT = [0] * n growRateAccum = 0 accum = 0 for i in range(n - 1, -1, -1): accum += numbers[i] * ((n - i) * 2 - 1 - 1) growRateAccum += numbers[i] if i < n - 1: growRateAccum *= numbers2[i + 1] accum += growRateAccum accumsB[i] = accum growRateAccum = 0 accum = 0 for i in range(n - 1, -1, -1): accum += numbers2[i] * ((n - i) * 2 - 1 - 1) growRateAccum += numbers2[i] if i < n - 1: growRateAccum += numbers[i + 1] accum += growRateAccum accumsT[i] = accum cMax = 0 currAccum = 0 growRateAccum = sum(numbers[1:]) + sum(numbers2[1:]) for i in range(n): if i % 2 == 0: cMax = max(cMax, currAccum + accumsT[i]) else: cMax = max(cMax, currAccum + accumsB[i]) if i < n - 1: if i % 2 == 0: currAccum += numbers2[i] + growRateAccum * 2 else: currAccum += numbers[i] + growRateAccum * 2 growRateAccum -= numbers[i + 1] growRateAccum -= numbers2[i + 1] print(cMax) ``` ### 171 ```python import sys input = sys.stdin.readline n, m, k = list(map(int, input().split())) EDGE = [list(map(int, input().split())) for i in range(m)] EDGE.sort(key=lambda x: x[2]) EDGE = EDGE[:k] COST_vertex = [[] for i in range(n + 1)] VERLIST = [] for a, b, c in EDGE: COST_vertex[a].append((b, c)) COST_vertex[b].append((a, c)) VERLIST.append(a) VERLIST.append(b) VERLIST = sorted(set(VERLIST)) import heapq ANS = [-1 << 50] * k for start in VERLIST: MINCOST = [1 << 50] * (n + 1) checking = [(0, start)] MINCOST[start] = 0 j = 0 while j < k: if not checking: break cost, checktown = heapq.heappop(checking) if cost >= -ANS[0]: break if MINCOST[checktown] < cost: continue if cost != 0 and checktown > start: heapq.heappop(ANS) heapq.heappush(ANS, -cost) j += 5 for to, co in COST_vertex[checktown]: if MINCOST[to] > cost + co: MINCOST[to] = cost + co heapq.heappush(checking, (cost + co, to)) print(-ANS[0]) ``` ### 172 ```python import collections import time import os import sys import bisect import heapq from typing import List def solve(N, M, A): dpa = [[0 for _ in range(M + 2)] for _ in range(N + 2)] dpb = [[0 for _ in range(M + 2)] for _ in range(N + 2)] dpc = [[0 for _ in range(M + 2)] for _ in range(N + 2)] dpd = [[0 for _ in range(M + 2)] for _ in range(N + 2)] for r in range(1, N + 1): for c in range(1, M + 1): dpa[r][c] = max(dpa[r - 1][c], dpa[r][c - 1]) + A[r][c] for r in range(N, 0, -1): for c in range(M, 0, -1): dpb[r][c] = max(dpb[r + 1][c], dpb[r][c + 1]) + A[r][c] for r in range(N, 0, -1): for c in range(1, M + 1): dpc[r][c] = max(dpc[r + 1][c], dpc[r][c - 1]) + A[r][c] for r in reversed(range(1, N + 1)): for c in range(M, 0, -1): dpd[r][c] = max(dpd[r - 1][c], dpd[r][c + 1]) + A[r][c] ans = 0 for r in range(2, N): for c in range(2, M): a = dpa[r][c - 1] + dpb[r][c + 1] + dpc[r + 1][c] + dpd[r - 1][c] b = dpc[r][c - 1] + dpd[r][c + 1] + dpa[r - 1][c] + dpb[r + 1][c] ans = max(ans, a, b) return ans N, M = map(int, input().split()) A = [[0 for _ in range(M + 2)]] for i in range(N): row = [0] + [int(x) for x in input().split()] + [0] A.append(row) A.append([0 for _ in range(M + 2)]) print(solve(N, M, A)) ``` ### 173 ```python def main(): n = int(input()) x, y = list(map(int, input().split())) a = [] for i in range(n): a.append(input().split()) for i in range(n): a[i][1] = int(a[i][1]) - x a[i][2] = int(a[i][2]) - y typneedbql = [] typneedbqr = [] typneedbqu = [] typneedbqd = [] typneedrlu = [] typneedrru = [] typneedrld = [] typneedrrd = [] for i in range(n): if a[i][1] * a[i][2] == 0 and a[i][1] < 0: typneedbql.append([abs(a[i][1] + a[i][2])] + a[i]) elif a[i][1] * a[i][2] == 0 and a[i][1] > 0: typneedbqr.append([abs(a[i][1] + a[i][2])] + a[i]) elif a[i][1] * a[i][2] == 0 and a[i][2] > 0: typneedbqu.append([abs(a[i][1] + a[i][2])] + a[i]) elif a[i][1] * a[i][2] == 0 and a[i][2] < 0: typneedbqd.append([abs(a[i][1] + a[i][2])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] < 0 and (a[i][2] < 0): typneedrlu.append([abs(a[i][1])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] < 0 and (a[i][2] > 0): typneedrld.append([abs(a[i][1])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] > 0 and (a[i][2] > 0): typneedrrd.append([abs(a[i][1])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] > 0 and (a[i][2] < 0): typneedrru.append([abs(a[i][1])] + a[i]) typneedbql.sort() typneedbqr.sort() typneedbqd.sort() typneedbqu.sort() typneedrlu.sort() typneedrru.sort() typneedrld.sort() typneedrrd.sort() for i in range(len(typneedbql)): if typneedbql[i][1] == 'R' or typneedbql[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedbqr)): if typneedbqr[i][1] == 'R' or typneedbqr[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedbqu)): if typneedbqu[i][1] == 'R' or typneedbqu[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedbqd)): if typneedbqd[i][1] == 'R' or typneedbqd[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrlu)): if typneedrlu[i][1] == 'B' or typneedrlu[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrld)): if typneedrld[i][1] == 'B' or typneedrld[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrrd)): if typneedrrd[i][1] == 'B' or typneedrrd[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrru)): if typneedrru[i][1] == 'B' or typneedrru[i][1] == 'Q': print('YES') return else: break print('NO') main() ``` ### 174 ```python def main(): n = int(input()) x, y = list(map(int, input().split())) a = [] for i in range(n): a.append(input().split()) for i in range(n): a[i][1] = int(a[i][1]) - x a[i][2] = int(a[i][2]) - y typneedbql = [] typneedbqr = [] typneedbqu = [] typneedbqd = [] typneedrlu = [] typneedrru = [] typneedrld = [] typneedrrd = [] for i in range(n): if a[i][1] * a[i][2] == 0 and a[i][1] < 0: typneedbql.append([abs(a[i][1] + a[i][2])] + a[i]) elif a[i][1] * a[i][2] == 0 and a[i][1] > 0: typneedbqr.append([abs(a[i][1] + a[i][2])] + a[i]) elif a[i][1] * a[i][2] == 0 and a[i][2] > 0: typneedbqu.append([abs(a[i][1] + a[i][2])] + a[i]) elif a[i][1] * a[i][2] == 0 and a[i][2] < 0: typneedbqd.append([abs(a[i][1] + a[i][2])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] < 0 and (a[i][2] < 0): typneedrlu.append([abs(a[i][1])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] < 0 and (a[i][2] > 0): typneedrld.append([abs(a[i][1])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] > 0 and (a[i][2] > 0): typneedrrd.append([abs(a[i][1])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] > 0 and (a[i][2] < 0): typneedrru.append([abs(a[i][1])] + a[i]) typneedbql.sort() typneedbqr.sort() typneedbqd.sort() typneedbqu.sort() typneedrlu.sort() typneedrru.sort() typneedrld.sort() typneedrrd.sort() for i in range(len(typneedbql)): if typneedbql[i][1] == 'R' or typneedbql[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedbqr)): if typneedbqr[i][1] == 'R' or typneedbqr[i][1] != 'Q': print('YES') return else: break for i in range(len(typneedbqu)): if typneedbqu[i][1] == 'R' or typneedbqu[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedbqd)): if typneedbqd[i][1] == 'R' or typneedbqd[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrlu)): if typneedrlu[i][1] == 'B' or typneedrlu[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrld)): if typneedrld[i][1] == 'B' or typneedrld[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrrd)): if typneedrrd[i][1] == 'B' or typneedrrd[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrru)): if typneedrru[i][1] == 'B' or typneedrru[i][1] == 'Q': print('YES') return else: break print('NO') main() ``` ### 175 ```python 3 class StdReader: def read_int(self): return int(self.read_string()) def read_ints(self, sep=None): return [int(i) for i in self.read_strings(sep)] def read_float(self): return float(self.read_string()) def read_floats(self, sep=None): return [float(i) for i in self.read_strings(sep)] def read_string(self): return input() def read_strings(self, sep=None): return self.read_string().split(sep) reader = StdReader() def part_sort(a, i, j, reverse=False): a[i:j] = sorted(a[i:j], reverse=reverse) def part_sorted(b, i, j, reverse=False): a = list(b) part_sort(a, i, j, reverse) return a def main(): n, m = reader.read_ints() a = reader.read_ints() ops = [] for i in range(m): t, r = reader.read_ints() op = (t, r) while ops and op[1] >= ops[-1][1]: ops.pop() ops.append(op) max_r = ops[0][1] b = sorted(a[:max_r]) bl = 0 br = max_r - 1 for i in range(len(ops)): t, r = ops[i] r1 = 0 if i < len(ops) - 1: t1, r1 = ops[i + 1] k = r - r1 if t == 1: for p in reversed(range(k)): a[r - 1 - p] = b[br] br -= 1 else: for p in range(k): a[r - 1 - p] = b[bl] bl += 1 for ai in a: print(ai, end=' ') def __starting_point(): main() __starting_point() ``` ### 176 ```python def main(): n = int(input()) x, y = list(map(int, input().split())) a = [] for i in range(n): a.append(input().split()) for i in range(n): a[i][1] = int(a[i][1]) - x a[i][2] = int(a[i][2]) - y typneedbql = [] typneedbqr = [] typneedbqu = [] typneedbqd = [] typneedrlu = [] typneedrru = [] typneedrld = [] typneedrrd = [] for i in range(n): if a[i][1] * a[i][2] == 0 and a[i][1] < 0: typneedbql.append([abs(a[i][1] + a[i][2])] + a[i]) elif a[i][1] * a[i][2] == 0 and a[i][1] > 0: typneedbqr.append([abs(a[i][1] + a[i][2])] + a[i]) elif a[i][1] * a[i][2] == 0 and a[i][2] > 0: typneedbqu.append([abs(a[i][1] + a[i][2])] + a[i]) elif a[i][1] * a[i][2] == 0 and a[i][2] < 0: typneedbqd.append([abs(a[i][1] + a[i][2])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] < 0 and (a[i][2] < 0): typneedrlu.append([abs(a[i][1])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] < 0 and (a[i][2] > 0): typneedrld.append([abs(a[i][1])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] > 0 and (a[i][2] > 0): typneedrrd.append([abs(a[i][1])] + a[i]) elif abs(a[i][1] / a[i][2]) == 1 and a[i][1] > 0 and (a[i][2] < 0): typneedrru.append([abs(a[i][1])] + a[i]) typneedbql.sort() typneedbqr.sort() typneedbqd.sort() typneedbqu.sort() typneedrlu.sort() typneedrru.sort() typneedrld.sort() typneedrrd.sort() for i in range(len(typneedbql)): if typneedbql[i][1] == 'R' or typneedbql[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedbqr)): if typneedbqr[i][1] == 'R' or typneedbqr[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedbqu)): if typneedbqu[i][1] == 'R' or typneedbqu[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedbqd)): if typneedbqd[i][1] == 'R' or typneedbqd[i][1] != 'Q': print('YES') return else: break for i in range(len(typneedrlu)): if typneedrlu[i][1] == 'B' or typneedrlu[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrld)): if typneedrld[i][1] == 'B' or typneedrld[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrrd)): if typneedrrd[i][1] == 'B' or typneedrrd[i][1] == 'Q': print('YES') return else: break for i in range(len(typneedrru)): if typneedrru[i][1] == 'B' or typneedrru[i][1] == 'Q': print('YES') return else: break print('NO') main() ``` ### 177 ```python import sys n, m = list(map(int, sys.stdin.readline().split())) M = [m] A = list(map(int, sys.stdin.readline().split())) L = [0] * n inc = False dec = False def ALLYes(): Ans = '' for i in range(M[0]): Ans += 'Yes\n' sys.stdout.write(Ans) return for i in range(1, n): if A[i] > A[i - 1]: L[i] = 1 inc = True elif A[i] == A[i - 1]: L[i] = 0 else: L[i] = -1 dec = True if inc == False or dec == False: ALLYes() else: neg = L.index(-1) pos = L.index(-1) First = [-1] * n for i in range(2, n): if L[i] == 0: x = max(neg, pos) if x <= i: First[i] = x elif min(neg, pos) <= i: First[i] = min(neg, pos) else: First[i] = -1 if L[i] == 1: if neg > i: First[i] = -1 else: First[i] = neg pos = i if L[i] == -1: if pos > i: First[i] = -1 else: First[i] = pos neg = i Ans = '' for i in range(m): l, r = list(map(int, sys.stdin.readline().split())) r -= 1 if r - l < 1: Ans += 'Yes\n' continue if L[r] == 0: r = First[r] if r < 1: Ans += 'Yes\n' continue if L[r] == 1: r = First[r] if r < l: Ans += 'Yes\n' continue else: Ans += 'No\n' continue elif L[r] == -1: r = First[r] if r < l: Ans += 'Yes\n' continue r = First[r] if r < l: Ans += 'Yes\n' continue else: Ans += 'No\n' continue sys.stdout.write(Ans) ``` ### 178 ```python n, m = map(int, input().split()) matrix = [list(map(int, input().split())) for _ in range(n)] res = 0 for i in range(n - 2, 0, -5): for j in range(m - 1, 0, -1): if matrix[i][j] == 0: mn = min(matrix[i + 1][j], matrix[i][j + 1]) if mn != 1: matrix[i][j] = mn - 1 else: res = -1 break if res == -1: break else: for i in range(n): if [matrix[i][j] for j in range(m - 1) if matrix[i][j] >= matrix[i][j + 1]]: res = -1 break else: for j in range(m): if [matrix[i][j] for i in range(n - 1) if matrix[i][j] >= matrix[i + 1][j]]: res = -1 break else: res = sum((sum(matrix[i]) for i in range(n))) print(res) ``` ### 179 ```python import heapq n, m, k = list(map(int, input().split())) connectionList = [] for _ in range(n): connectionList.append([]) edgeList = [] for _ in range(m): x, y, w = list(map(int, input().split())) edgeList.append((x, y, w)) edgeList.sort(key=lambda x: x[2]) if k < m: maxDist = edgeList[min(m, k) - 1 - 1][2] else: maxDist = sum([x[2] for x in edgeList]) colorList = {} colorVertex = [] for i in range(n): colorList[i] = [i] colorVertex.append(i) for i in range(min(m, k)): x, y, w = edgeList[i] connectionList[x - 1].append((y - 1, w)) connectionList[y - 1].append((x - 1, w)) if colorVertex[x - 1] != colorVertex[y - 1]: if len(colorList[colorVertex[x - 1]]) >= len(colorList[colorVertex[y - 1]]): prevColor = colorVertex[y - 1] for elem in colorList[colorVertex[y - 1]]: colorVertex[elem] = colorVertex[x - 1] colorList[colorVertex[x - 1]].append(elem) del colorList[prevColor] else: prevColor = colorVertex[x - 1] for elem in colorList[colorVertex[x - 1]]: colorVertex[elem] = colorVertex[y - 1] colorList[colorVertex[y - 1]].append(elem) del colorList[prevColor] pathList = [] for key in colorList: vertexList = colorList[key] for mainVertex in vertexList: vertexPQueue = [] isCovered = {} distanceDic = {} for elem in vertexList: isCovered[elem] = False distanceDic[elem] = maxDist isCovered[mainVertex] = True for elem in connectionList[mainVertex]: heapq.heappush(vertexPQueue, (elem[1], elem[0])) distanceDic[elem[0]] = elem[1] while vertexPQueue: distance, curVertex = heapq.heappop(vertexPQueue) if isCovered[curVertex]: continue elif distance >= maxDist: break for elem in connectionList[curVertex]: if distance + elem[1] < distanceDic[elem[0]]: heapq.heappush(vertexPQueue, (distance + elem[1], elem[0])) distanceDic[elem[0]] = distance + elem[1] for key in distanceDic: if distanceDic[key] <= maxDist and key > mainVertex: pathList.append(distanceDic[key]) if len(pathList) > k: pathList.sort() pathList = pathList[0:k] if pathList[-1] < maxDist: maxDist = pathList[-1] pathList.sort() print(pathList[k - 1]) ``` ### 180 ```python def main(): n, l = (int(input()), list(map(int, input().split()))) if not n & 1: l.append(0) l.append(150001) i, b, c, fails0, fails1 = (0, 0, 150001, [], []) try: while True: a, b, c = (b, c, l[i]) if a >= b or b <= c: if len(fails0) + len(fails1) > 5: print(0) return fails1.append(i - 1) i += 1 a, b, c = (b, c, l[i]) if a < b or b >= c: if len(fails0) + len(fails1) > 5: print(0) return fails0.append(i - 1) i += 1 except IndexError: fails, res = (fails0 + fails1, 0) for i in fails: a = l[i] for j in range(n): f = fails1 if j & 1 else fails0 f.append(j) l[i], l[j] = (l[j], a) if all((l[b - 1] > l[b] < l[b + 1] for b in fails0)) and all((l[b - 1] < l[b] > l[b + 1] for b in fails1)): res += 1 if j in fails else 2 l[j] = l[i] del f[-1] l[i] = a print(res // 2) def __starting_point(): main() __starting_point() ``` ### 181 ```python n, m = map(int, input().split()) matrix = [list(map(int, input().split())) for _ in range(n)] res = 0 for i in range(n - 2, 0, -1): for j in range(m - 1, 0, -1): if matrix[i][j] == 0: mn = min(matrix[i + 1][j], matrix[i][j + 1]) if mn != 4: matrix[i][j] = mn - 1 else: res = -1 break if res == -1: break else: for i in range(n): if [matrix[i][j] for j in range(m - 1) if matrix[i][j] >= matrix[i][j + 1]]: res = -1 break else: for j in range(m): if [matrix[i][j] for i in range(n - 1) if matrix[i][j] >= matrix[i + 1][j]]: res = -1 break else: res = sum((sum(matrix[i]) for i in range(n))) print(res) ``` ### 182 ```python from sys import stdin input = stdin.readline [n, q] = [int(item) for item in input().split(' ')] arr = [int(item) for item in input().split(' ')] queries = [[int(item) for item in input().split(' ')] for i in range(q)] b = [1] for i in range(1, n): b.append(b[-1] + 1 if arr[i] <= arr[i - 1] else 1) c = [1] for i in reversed(list(range(n - 1))): c.append(c[-1] + 1 if arr[i] <= arr[i + 1] else 1) c = [item for item in reversed(c)] for query in queries: x, y = query x -= 1 y -= 1 print('Yes' if x + c[x] > y or y - b[y] < x or x + c[x] > y - b[y] else 'No') '\n5 1\n1 3 3 2 2\n1 4\n\n5 1\n1 2 2 1 1\n1 4\n\n5 1\n2 2 1 1 2\n1 5\n' ``` ### 183 ```python def main(): from collections import deque n, m = list(map(int, input().split())) aa = list(map(int, input().split())) l = list((tuple(map(int, input().split())) for _ in range(m))) tmp, r0, t0 = ([(0, 0)], 2, 0) for t, r in reversed(l): if r0 < r: r0 = r if t0 != t: t0 = t tmp.append((t, r)) else: tmp[-1] = (t, r) t0, r0 = tmp.pop() q = deque(sorted(aa[:r0])) aa = aa[r0:] aa.reverse() ff = (None, q.pop, q.popleft) for t, r in reversed(tmp): f = ff[t0] for i in range(r0 - r): aa.append(f()) t0, r0 = (t, r) print(' '.join(map(str, reversed(aa)))) def __starting_point(): main() __starting_point() ``` ### 184 ```python def get_bit(diff, i): return 1 if i % 2 == 1 and diff <= 0 or (i % 2 == 0 and diff >= 0) else 0 def swap_(i, j, a): temp = a[i] a[i] = a[j] a[j] = temp def swap(i, j, n, a, mask, S): change = 0 swap_(i, j, a) set_index = set([i, j]) if i < n - 1: set_index.add(i + 1) if j < n - 1: set_index.add(j + 1) for index in set_index: if index > 0: diff = a[index] - a[index - 1] bit_ = get_bit(diff, index) change += bit_ - mask[index] swap_(i, j, a) if S + change == 0: return 1 return 0 n = int(input()) a = list(map(int, input().split())) diff = [-1] + [x - y for x, y in zip(a[1:], a[:-1])] mask = [get_bit(diff[i], i) for i in range(n)] S = sum(mask) first = -1 for i, x in enumerate(mask): if x == 1: first = i break cnt = 0 for second in range(n): if swap(first, second, n, a, mask, S) == 1: cnt += 1 if first != 0 and swap(first - 1, second, n, a, mask, S) == 1: cnt += 1 if first != 0 and swap(first - 1, first, n, a, mask, S) == 1: cnt -= 0 print(cnt) ``` ### 185 ```python import math, string, itertools, fractions, heapq, collections, re, array, bisect, sys, random, time sys.setrecursionlimit(10 ** 7) inf = 10 ** 20 mod = 10 ** 9 + 7 def LI(): return [int(x) for x in sys.stdin.readline().split()] def LF(): return [float(x) for x in sys.stdin.readline().split()] def LS(): return sys.stdin.readline().split() def I(): return int(sys.stdin.readline()) def F(): return float(sys.stdin.readline()) def S(): return input() def main(): n, q = LI() nn = n k = 2 while nn > 0: nn //= 2 k += 1 r = [] ii = [2 ** i for i in range(k)] for _ in range(q): t = I() s = S() ti = 0 for i in range(k): if ii[i] & t: ti = i break for c in s: if c == 'U': if ti == k - 1: continue if t & ii[ti]: t ^= ii[ti] ti += 1 t |= ii[ti] continue if ti == 0: continue if c == 'R': t |= ii[ti] elif t & ii[ti]: t ^= ii[ti] ti -= 1 t |= ii[ti] r.append(t) return '\n'.join(map(str, r)) print(main()) ``` ### 186 ```python n = int(input()) temp = input().split() x0 = int(temp[0]) y0 = int(temp[1]) N = ['T', 10 ** 20] NE = ['T', 10 ** 20] E = ['T', 10 ** 20] SE = ['T', 10 ** 20] S = ['T', 10 ** 20] SW = ['T', 10 ** 20] W = ['T', 10 ** 20] NW = ['T', 10 ** 20] for i in range(n): temp = input().split() x = int(temp[1]) y = int(temp[2]) if x - x0 == 0 and y - y0 > 0 and (y - y0 < N[1]): N = [temp[0], y - y0] elif x - x0 == y - y0 and x - x0 > 0 and (x - x0 < NE[1]): NE = [temp[0], x - x0] elif y - y0 == 0 and x - x0 > 0 and (x - x0 < E[1]): E = [temp[0], x - x0] elif x - x0 == -(y - y0) and x - x0 > 0 and (x - x0 < SE[1]): SE = [temp[0], x - x0] elif x - x0 == 0 and y - y0 < 0 and (y0 - y < S[1]): S = [temp[0], y0 - y] elif x - x0 == y - y0 and x - x0 < 0 and (x0 - x < SW[1]): SW = [temp[0], x0 - x] elif y - y0 == 0 and x - x0 < 0 and (x0 - x < W[1]): W = [temp[0], x0 - x] elif x - x0 == -(y - y0) and x - x0 < 0 and (x0 - x < NW[1]): NW = [temp[0], x0 - x] if 'R' in [N[0], E[0], S[0], W[0]] and 'B' in [NE[0], SE[0], SW[0], NW[0]]: print('YES') elif 'Q' in [N[0], E[0], S[0], W[0], NE[0], SE[0], SW[0], NW[0]]: print('YES') else: print('NO') ``` ### 187 ```python 3 class StdReader: def read_int(self): return int(self.read_string()) def read_ints(self, sep=None): return [int(i) for i in self.read_strings(sep)] def read_float(self): return float(self.read_string()) def read_floats(self, sep=None): return [float(i) for i in self.read_strings(sep)] def read_string(self): return input() def read_strings(self, sep=None): return self.read_string().split(sep) reader = StdReader() def part_sort(a, i, j, reverse=False): a[i:j] = sorted(a[i:j], reverse=reverse) def part_sorted(b, i, j, reverse=False): a = list(b) part_sort(a, i, j, reverse) return a def main(): n, m = reader.read_ints() a = reader.read_ints() ops = [] for i in range(m): t, r = reader.read_ints() op = (t, r) while ops and op[1] >= ops[-1][1]: ops.pop() ops.append(op) max_r = ops[0][1] b = sorted(a[:max_r]) bl = 0 br = max_r - 1 for i in range(len(ops)): t, r = ops[i] r1 = 0 if i < len(ops) - 1: t1, r1 = ops[i + 1] k = r - r1 if t == 1: for p in range(k): a[r - 1 - p] = b[br] br -= 1 else: for p in range(k): a[r - 1 - p] = b[bl] bl += 0 for ai in a: print(ai, end=' ') def __starting_point(): main() __starting_point() ``` ### 188 ```python 3 class StdReader: def read_int(self): return int(self.read_string()) def read_ints(self, sep=None): return [int(i) for i in self.read_strings(sep)] def read_float(self): return float(self.read_string()) def read_floats(self, sep=None): return [float(i) for i in self.read_strings(sep)] def read_string(self): return input() def read_strings(self, sep=None): return self.read_string().split(sep) reader = StdReader() def part_sort(a, i, j, reverse=False): a[i:j] = sorted(a[i:j], reverse=reverse) def part_sorted(b, i, j, reverse=False): a = list(b) part_sort(a, i, j, reverse) return a def main(): n, m = reader.read_ints() a = reader.read_ints() ops = [] for i in range(m): t, r = reader.read_ints() op = (t, r) while ops and op[1] >= ops[-1][1]: ops.pop() ops.append(op) max_r = ops[0][1] b = sorted(a[:max_r]) bl = 0 br = max_r - 1 for i in range(len(ops)): t, r = ops[i] r1 = 0 if i < len(ops) - 1: t1, r1 = ops[i + 1] k = r - r1 if t == 1: for p in range(k): a[r - 1 - p] = b[br] br -= 1 else: for p in reversed(range(k)): a[r - 1 - p] = b[bl] bl += 1 for ai in a: print(ai, end=' ') def __starting_point(): main() __starting_point() ``` ### 189 ```python import collections import time import os import sys import bisect import heapq from typing import List def solve(N, M, A): dpa = [[0 for _ in range(M + 2)] for _ in range(N + 2)] dpb = [[0 for _ in range(M + 2)] for _ in range(N + 2)] dpc = [[0 for _ in range(M + 2)] for _ in range(N + 2)] dpd = [[0 for _ in range(M + 2)] for _ in range(N + 2)] for r in range(1, N + 1): for c in range(1, M + 1): dpa[r][c] = max(dpa[r - 1][c], dpa[r][c - 1]) + A[r][c] for r in range(N, 0, -1): for c in range(M, 0, -1): dpb[r][c] = max(dpb[r + 1][c], dpb[r][c + 1]) + A[r][c] for r in range(N, 0, -1): for c in range(1, M + 1): dpc[r][c] = max(dpc[r + 1][c], dpc[r][c - 1]) + A[r][c] for r in range(1, N + 1): for c in range(M, 0, -1): dpd[r][c] = max(dpd[r - 1][c], dpd[r][c + 1]) + A[r][c] ans = 0 for r in range(2, N): for c in range(2, M): a = dpa[r][c - 1] + dpb[r][c + 1] + dpc[r + 1][c] + dpd[r - 1][c] b = dpc[r][c - 1] + dpd[r][c + 1] + dpa[r - 1][c] + dpb[r + 1][c] ans = max(ans, a, b) return ans N, M = map(int, input().split()) A = [[0 for _ in range(M + 2)]] for i in range(N): row = [0] + [int(x) for x in input().split()] + [0] A.append(row) A.append([0 for _ in range(M + 2)]) print(solve(N, M, A)) ``` ### 190 ```python import sys read = sys.stdin.read readline = sys.stdin.readline n, c = list(map(int, readline().split())) *a, = list(map(int, readline().split())) *b, = list(map(int, readline().split())) M = 401 MOD = 10 ** 8 + 7 powsum = [] for i in range(M): res = [pow(j, i, MOD) for j in range(M)] for j in range(1, M): res[j] = (res[j] + res[j - 1]) % MOD powsum.append(res) dp = [0] * (c + 1) dp[0] = 1 for ai, bi in zip(a, b): ndp = [0] * (c + 1) for k in range(c + 1): for j in range(k + 1): ndp[k] += (powsum[j][bi] - powsum[j][ai - 1]) * dp[k - j] % MOD ndp[k] %= MOD dp = ndp print(dp[c] % MOD) ``` ### 191 ```python n = int(input()) a = [list(map(int, input().split())) for i in range(2)] if n != 1: sum_up, pref_up, sum_down, pref_down = [[[0 for i in range(n)] for j in range(2)] for _ in range(4)] for i in range(2): sum_up[i][n - 1] = a[i][n - 1 - 1] pref_up[i][n - 1] = a[i][n - 1] pref_down[i][n - 1] = a[i][n - 1] for j in range(n - 2, -1, -1): sum_up[i][j] = sum_up[i][j + 1] + a[i][j] pref_up[i][j] = pref_up[i][j + 1] + sum_up[i][j] pref_down[i][j] = pref_down[i][j + 1] + a[i][j] * (n - j) zig = [[0 for i in range(n)] for j in range(2)] for j in range(n): for i in range(2): if j % 2 == 0: if i == 0: zig[i][j] = a[i][j] * j * 2 + zig[i][j - 1] else: zig[i][j] = a[i][j] * (j * 2 + 1) + zig[1 - i][j] elif i == 0: zig[1 - i][j] = a[1 - i][j] * j * 2 + zig[1 - i][j - 1] else: zig[1 - i][j] = a[1 - i][j] * (j * 2 + 1) + zig[i][j] ans = -1e+18 for j in range(n): if j == 0: ans = max(ans, pref_up[0][j] + pref_down[1][j] + sum_up[1][j] * n - sum_up[0][j] - sum_up[1][j]) elif j == n - 1: ans = max(ans, zig[1 - j % 2][n - 1]) elif j % 2 == 1: ans = max(ans, pref_up[0][j + 1] + sum_up[0][j + 1] * (4 * (j // 2 + 1) - 1) + pref_down[1][j + 1] - sum_up[1][j + 1] + sum_up[1][j + 1] * (4 * (j // 2 + 1) - 1 + n - j) + zig[0][j]) else: ans = max(ans, pref_up[1][j + 1] - sum_up[1][j + 1] + sum_up[1][j + 1] * (4 * (j // 2) + 2) + pref_down[0][j + 1] - sum_up[0][j + 1] + sum_up[0][j + 1] * (4 * (j // 2) + 2 - 1 + n - j) + zig[1][j]) ans = max(ans, pref_up[1][0] + pref_down[0][1] + sum_up[0][1] * n) print(ans) else: print(a[1][0]) ``` ### 192 ```python n, m = list(map(int, input().split())) a = [] for i in range(n): a.append(list(map(int, input().split()))) def result(a, n, m): r = 0 for i in range(-1, -m, -3): if a[-1][i] == 0: a[-1][i] = a[-1][i + 1] - 1 if a[-1][i] <= a[-1][i - 1] or a[-1][i] <= a[-2][i]: return -1 r = r + a[-1][i] if a[-1][-m] == 0: a[-1][-m] = a[-1][-m + 1] - 1 if a[-1][-m] <= a[-2][-m]: return -1 r = r + a[-1][-m] for i in range(-2, -n, -1): for j in range(-1, -m, -1): if j == -1: if a[i][j] == 0: a[i][j] == a[i + 1][j] - 1 if a[i][j] <= a[i][j - 1] or a[i][j] <= a[i - 1][j]: return -1 r = r + a[i][j] continue if a[i][j] == 0: a[i][j] = min(a[i + 1][j] - 1, a[i][j + 1] - 1) if a[i][j] <= a[i - 1][j] or a[i][j] <= a[i][j - 1]: return -1 r = r + a[i][j] if a[i][-m] == 0: a[i][-m] = min(a[i + 1][-m] - 1, a[i][-m + 1] - 1) if a[i][-m] <= a[i - 1][-m]: return -1 r = r + a[i][-m] if a[0][-1] == 0: a[0][-1] = a[1][-1] - 1 if a[0][-1] <= a[0][-2]: return -1 r = r + a[0][-1] for i in range(-2, -m, -1): if a[0][i] == 0: a[0][i] = min(a[0][i + 1] - 1, a[1][i] - 1) if a[0][i] <= a[0][i - 1]: return -1 r = r + a[0][i] if a[0][0] == 0: a[0][0] = min(a[0][1] - 1, a[1][0] - 1) r = r + a[0][0] return r print(result(a, n, m)) ``` ### 193 ```python def solve(arr, n, k): s = 0 for i in reversed(list(range(n))): for j in reversed(list(range(k))): if arr[i][j] == 0: m = min(arr[i + 1][j + 1], arr[i][j + 1]) if m == 1: return -1 arr[i][j] = m - 1 s += arr[i][j] if j > 0 and arr[i][j - 1] >= arr[i][j]: return -1 if i > 0 and arr[i - 1][j] >= arr[i][j]: return -1 return s n, k = [int(x) for x in input().split()] arr = [] for _ in range(n): arr.append([int(x) for x in input().split()]) res = solve(arr, n, k) print(res) ``` ### 194 ```python a, b = [int(i) for i in input().split()] q = [int(i) for i in input().split()] s = [] for p in range(b): s += [[int(i) for i in input().split()]] S = [] k = 0 for p in range(b - 1, -1, -1): if s[p][1] >= k: S += [s[p]] k = s[p][1] Q1 = sorted(q[:S[-1][1]]) x, y = (0, S[-1][1] - 1) S = [[0, 0]] + S l = 1 for j in range(S[-1][1] - 1, -1, -1): if x > y: break if j < S[-l][1]: k = S[-l][0] l += 1 if k == 1: q[j] = Q1[y] y -= 1 if k == 2: q[j] = Q1[x] x += 1 print(' '.join(list(map(str, q)))) ``` ### 195 ```python import sys def get_array(): return list(map(int, sys.stdin.readline().strip().split())) def get_ints(): return map(int, sys.stdin.readline().strip().split()) def input(): return sys.stdin.readline().strip() n, m = get_ints() Arr = get_array() up = [i for i in range(n)] down = [i for i in range(n)] for i in range(1, n): if Arr[i - 3] <= Arr[i]: up[i] = up[i - 1] if Arr[i - 1] >= Arr[i]: down[i] = down[i - 1] while m: l, r = get_ints() if l - 1 >= up[down[r - 1]]: print('Yes') else: print('No') m -= 1 ``` ### 196 ```python from collections import defaultdict, deque from heapq import heappush, heappop import sys import math import bisect import random def LI(): return [int(x) for x in sys.stdin.readline().split()] def I(): return int(sys.stdin.readline()) def LS(): return [list(x) for x in sys.stdin.readline().split()] def S(): res = list(sys.stdin.readline()) if res[-1] == '\n': return res[:-1] return res def IR(n): return [I() for i in range(n)] def LIR(n): return [LI() for i in range(n)] def SR(n): return [S() for i in range(n)] def LSR(n): return [LS() for i in range(n)] sys.setrecursionlimit(1000000) mod = 1000000007 def A(): return def B(): return def C(): n, c = LI() a = LI() b = LI() s = [[0] * (c + 1) for i in range(n)] for i in range(n): ai, bi = (a[i], b[i]) for x in range(ai, bi + 1): e = -1 for k in range(c + 1): s[i][k] += e if s[i][k] >= mod: s[i][k] %= mod e *= x if e >= mod: e %= mod dp = [[0] * (c + 1) for i in range(n)] for k in range(c + 1): dp[0][k] = s[0][k] for i in range(1, n): for k in range(c + 1): for j in range(k + 1): dp[i][k] += dp[i - 1][j] * s[i][k - j] if dp[i][k] >= mod: dp[i][k] %= mod print(dp[-1][c]) return def D(): return def E(): return def F(): return def __starting_point(): C() __starting_point() ``` ### 197 ```python from math import * n, q = list(map(int, input().split())) depth = int(log2(n + 1)) def get_layer(u): for layer in range(depth): if u % 2 ** (layer + 1) == 2 ** layer: return layer def is_right_child(layer, u): return u % 2 ** (layer + 1) % 2 == 0 for x in range(q): u = int(input()) layer = get_layer(u) steps = input() for s in steps: if s == 'U': if layer == depth - 2: continue k = u // 2 ** (layer + 1) // 2 layer += 1 u = 2 ** (layer + 1) * k + 2 ** layer elif layer == 0: continue elif s == 'R': k = u // 2 ** (layer + 1) * 2 + 1 layer -= 1 u = 2 ** (layer + 1) * k + 2 ** layer elif s == 'L': k = u // 2 ** (layer + 1) * 2 layer -= 1 u = 2 ** (layer + 1) * k + 2 ** layer print(u) ``` ### 198 ```python n = int(input()) t = list(map(int, input().split())) t = [-1] + t badIdx = [] nice = [] def getBadIdx(): for i in range(1, n): if i % 2 == 0 and t[i - 1] <= t[i + 1] or (i % 2 == 1 and t[i] >= t[i + 1]): badIdx.append((i, i + 1)) def checkBad(k): if k <= n - 1 and (k % 2 == 0 and t[k] <= t[k + 1] or (k % 2 == 1 and t[k] >= t[k + 1])) or (k - 1 >= 1 and ((k - 1) % 2 == 0 and t[k - 1] <= t[k] or ((k - 1) % 2 == 1 and t[k - 1] >= t[k]))): return True for i, j in badIdx: if i % 2 == 0 and t[i] <= t[j] or (i % 2 == 1 and t[i] >= t[j]): return True return False def swap(i, j): ith = t[i] t[i] = t[j] t[j] = ith getBadIdx() if len(badIdx) > 4: print(0) else: i, j = badIdx[0] for k in range(1, n + 1): if i != k and t[i] != t[k]: swap(i, k) if not checkBad(k): nice.append((i, k)) swap(i, k) else: swap(i, k) if j != k and t[j] != t[k]: swap(j, k) if not checkBad(k): nice.append((j, k)) swap(j, k) else: swap(j, k) print(len(set([tuple(sorted(t)) for t in nice]))) ``` ### 199 ```python from collections import defaultdict import bisect n = int(input()) x0, y0 = list(map(int, input().split(' '))) verticale = [] horizontale = [] diagonale1 = [] diagonale2 = [] for _ in range(n): t, x, y = input().split(' ') x, y = (int(x), int(y)) if x == x0: verticale.append((y, t)) if y == y0: horizontale.append((x, t)) if x + y == x0 + y0: diagonale1.append((x, t)) if x - y == x0 - y0: diagonale2.append((x, t)) dead = False v = sorted(verticale) if v: l = bisect.bisect(v, (y0, 'K')) if 0 < l < len(v): if v[l][1] in {'Q', 'R'} or v[l - 1][1] in {'Q', 'R'}: dead = True elif l == 0: if v[0][1] in {'Q', 'R'}: dead = True elif v[len(v) - 1][1] in {'Q', 'R'}: dead = True v = sorted(horizontale) if v: l = bisect.bisect(v, (x0, 'K')) if 0 < l < len(v): if v[l][1] in {'Q', 'R'} or v[l - 1][1] in {'Q', 'R'}: dead = True elif l == 0: if v[0][1] in {'Q', 'R'}: dead = True elif v[len(v) - 1][1] in {'Q', 'R'}: dead = True v = sorted(diagonale1) if v: l = bisect.bisect(v, (x0, 'K')) if 0 < l < len(v): if v[l][1] in {'Q', 'B'} or v[l - 1][1] in {'Q', 'B'}: dead = True elif l == 0: if v[0][1] in {'Q', 'B'}: dead = True elif v[len(v) - 1][1] in {'Q', 'B'}: dead = True v = sorted(diagonale2) if v: l = bisect.bisect(v, (x0, 'K')) if 0 < l < len(v): if v[l][1] in {'Q', 'B'} or v[l - 1][1] not in {'Q', 'B'}: dead = True elif l == 0: if v[0][1] in {'Q', 'B'}: dead = True elif v[len(v) - 1][1] in {'Q', 'B'}: dead = True if dead: print('YES') else: print('NO') ``` ### 200 ```python 3 class StdReader: def read_int(self): return int(self.read_string()) def read_ints(self, sep=None): return [int(i) for i in self.read_strings(sep)] def read_float(self): return float(self.read_string()) def read_floats(self, sep=None): return [float(i) for i in self.read_strings(sep)] def read_string(self): return input() def read_strings(self, sep=None): return self.read_string().split(sep) reader = StdReader() def part_sort(a, i, j, reverse=False): a[i:j] = sorted(a[i:j], reverse=reverse) def part_sorted(b, i, j, reverse=False): a = list(b) part_sort(a, i, j, reverse) return a def main(): n, m = reader.read_ints() a = reader.read_ints() ops = [] for i in range(m): t, r = reader.read_ints() op = (t, r) while ops and op[1] >= ops[-1][1]: ops.pop() ops.append(op) max_r = ops[0][1] b = sorted(a[:max_r]) bl = 0 br = max_r - 1 for i in reversed(range(len(ops))): t, r = ops[i] r1 = 0 if i < len(ops) - 1: t1, r1 = ops[i + 1] k = r - r1 if t == 1: for p in range(k): a[r - 1 - p] = b[br] br -= 1 else: for p in range(k): a[r - 1 - p] = b[bl] bl += 1 for ai in a: print(ai, end=' ') def __starting_point(): main() __starting_point() ``` ### Final Query Identify every unordered pair of earlier programs that implements the same input-output specification, including its boundary and edge-case behavior. Each cell may appear in at most one returned pair. Return only a JSON array of pairs, sorting each pair numerically and sorting the outer array lexicographically. Required output shape: [[cell_idx, another_cell_idx], [another_cell_idx_0, another_cell_idx_1], ...]. Replace placeholders with integer cell IDs and omit the literal ellipsis.