input
stringlengths
20
127k
target
stringlengths
20
119k
problem_id
stringlengths
6
6
s,_,*q=open(0) a=s[:-1] p=1 for q in q: try: q,f,c=q.split() if(f<'2')^p:a+=c else:a=c+a except:p^=1 print((a[::p or-1]))
s,_,*q=open(0) a='%s' p=1 for q in q: try: q,f,c=q.split() if(f<'2')^p:a+=c else:a=c+a except:p^=1 print(((a%s[:-1])[::p or-1]))
p02756
from collections import deque s = deque(list(input())) q = int(input()) f = 0 for _ in range(q): l = input() if l == "1": f ^= 1 else: a, b, c = l.split() if f ^ (b=="1"): s.appendleft(c) else: s.append(c) if f: ans = list(s)[::-1] else: ans = list(s) print(*ans, ...
from collections import deque def main(): s = deque(list(input())) q = int(input()) f = 0 for _ in range(q): l = input() if l == "1": f ^= 1 else: a, b, c = l.split() if f ^ (b=="1"): s.appendleft(c) else: s.append(c) if f: ans = list(s)[...
p02756
s = list(input()) n = int(input()) re = 1 for i in range(n): q = input().split() if q[0] == '1': re = re * -1 else: if re == 1: if q[1] == '1': s.insert(0, q[2]) else: s.append(q[2]) else: if q[1] == ...
s = input() n = int(input()) re = 1 head = '' tail = '' for i in range(n): q = input().split() if q[0] == '1': re = re * -1 else: if re == 1: if q[1] == '1': head = q[2] + head else: tail = tail + q[2] else: ...
p02756
from sys import stdin import sys import math from functools import reduce import functools import itertools s = stdin.readline().rstrip() n = int(stdin.readline().rstrip()) for i in range(n): q = [x for x in stdin.readline().rstrip().split()] if len(q) == 1: s = ''.join(list(reversed(s)...
from sys import stdin import sys import math from functools import reduce import functools import itertools s = stdin.readline().rstrip() n = int(stdin.readline().rstrip()) flag = 0 for i in range(n): q = [x for x in stdin.readline().rstrip().split()] if len(q) == 1: flag = (flag + 1) ...
p02756
from sys import stdin import sys import math from functools import reduce import functools import itertools s = stdin.readline().rstrip() n = int(stdin.readline().rstrip()) flag = 0 prefix = [] suffix = [] for i in range(n): q = [x for x in stdin.readline().rstrip().split()] if len(q) == 1:...
from sys import stdin import sys import math from functools import reduce import functools import itertools from collections import deque s = deque(stdin.readline().rstrip()) n = int(stdin.readline().rstrip()) flag = 0 for i in range(n): q = [x for x in stdin.readline().rstrip().split()] if ...
p02756
from collections import deque s = deque(list(map(str, input().rstrip()))) q = int(eval(input())) for _ in range(q): li = list(map(str, input().split())) if li[0] == "1": s.reverse() elif li[1] == "1": s.appendleft(li[2]) else: s.append(li[2]) print(("".join(s)))
from collections import deque s = deque(list(map(str, input().rstrip()))) q = int(eval(input())) state = 1 for _ in range(q): li = list(map(str, input().split())) if li[0] == "1": state *= -1 elif (li[1] == "1" and state == 1) or (li[1] == "2" and state == -1): s.appendleft(li[2...
p02756
#!/usr/bin/env python3 import sys input = sys.stdin.readline def ST(): return input().rstrip() def I(): return int(eval(input())) def MI(): return list(map(int, input().split())) def LI(): return list(MI()) S = ST() Q = I() for _ in range(Q): query = list(input(...
#!/usr/bin/env python3 import sys input = sys.stdin.readline def ST(): return input().rstrip() def I(): return int(eval(input())) def MI(): return list(map(int, input().split())) def LI(): return list(MI()) S = ST() Q = I() switch = True prefix = "" suffix = "" fo...
p02756
S = list(input().rstrip()) Q = int(input().rstrip()) q = [] for n in range(Q): q.append(list(input().rstrip().split())) #print(q) def rev(olist): nlist = olist[::-1] return nlist def addhead(olist,ele): nlist = olist.insert(0,ele) return nlist def addtail(olist,ele): nlist = olist....
S = input().rstrip() Q = int(input().rstrip()) q = [] for n in range(Q): q.append(list(input().rstrip().split())) #print(q) def rev(olist): nlist = olist[::-1] return nlist def addhead(olist,ele): nlist = olist.insert(0,ele) return nlist def addtail(olist,ele): nlist = olist.append...
p02756
S = input().rstrip() Q = int(input().rstrip()) a = -1 for _ in range(Q): stdin = input().rstrip() if int(stdin[0]) == 1: a = ~a else: T,F,C = stdin.split() if int(F) == 2+a: S = C + S else: S = S + C if a == 0: S = S[::-1] print(S)
S = input().rstrip() Q = int(input().rstrip()) a = -1 before =[] after =[] for _ in range(Q): stdin = input().rstrip() if int(stdin[0]) == 1: a = ~a else: T,F,C = stdin.split() if int(F) == 2+a: before.append(C) else: after.append(C) S =...
p02756
word = input().rstrip() n = int(eval(input())) hanten = 0 lhanten = "" r = "" for i in range(n): a = input().rstrip().split(" ") if a[0] == "1": hanten = (hanten + 1) % 2 # word = word[::-1] # print(word) else: if (a[1] == "2" and hanten == 0) or (a[1] == "1" and ...
word = input().rstrip() n = int(eval(input())) hanten = 0 lhantenlist = [] rlist = [] for i in range(n): a = input().rstrip().split(" ") if a[0] == "1": hanten = (hanten + 1) % 2 # word = word[::-1] #print(word) else: if (a[1] == "2" and hanten == 0) or (a[1] == "...
p02756
import sys input = sys.stdin.readline def main(): S = input().rstrip() Q = int(eval(input())) query = [None] * Q for i in range(Q): query[i] = input().split() prefix = [] surfix = [] is_reversed = False for q in query: if q[0] == "1": is_r...
import sys input = sys.stdin.readline def main(): S = input().rstrip() Q = int(eval(input())) query = [None] * Q for i in range(Q): query[i] = input().split() prefix = [] surfix = [] prefix_append = prefix.append surfix_append = surfix.append is_reversed =...
p02756
from collections import deque s=list(input()) s=deque(s) q=int(input()) a=0 for i in range(q): A=list(input().split()) if A[0]=="1": a=(a+1)%2 else: if A[1]=="1": if a==0: s.appendleft(A[2]) else: s.append(A[2]) else: if a==0: s.append(A[2]) ...
from collections import deque s=list(input()) s=deque(s) q=int(input()) a=0 for i in range(q): A=list(input().split()) if A[0]=="1": a=(a+1)%2 else: if A[1]=="1": if a==0: s.appendleft(A[2]) else: s.append(A[2]) else: if a==0: s.append(A[2]) ...
p02756
import sys a = sys.stdin.read().split('\n')[:-1] s = list(a[0]) q = int(a[1]) f = 1 for i in range(2, q + 2): if a[i][0] == '1': f = 1 - f else: l = len(s) s.insert(0 if a[i][2] == '21'[f] else l, a[i][4]) if f != 1: s.reverse() print((''.join(s)))
import sys a = sys.stdin.read().split('\n')[:-1] q = int(a[1]) f = 1 l = [[], []] for i in range(2, q + 2): if a[i][0] == '1': f = 1 - f else: l[0 if a[i][2] == '21'[f] else 1].append(a[i][4]) if f != 1: l[1].reverse() print((''.join(l[1]) + ''.join(reversed(list(a[0]))) + ''...
p02756
S = input() Q = int(input()) sign = 1 for i in range(Q): T = list(map(str, input().split())) if T[0] == "1": sign *= -1 else: F = int(T[1]) * 2 - 3 if sign * F == 1: S = S[:] + T[2] else: S = T[2] + S[:] if sign == 1: print(S) else: N = len(S) for i in range(N): ...
S = input() N = len(S) Q = int(input()) sign = 1 L = ["" for i in range(N + 2 * Q)] for i in range(N): L[i+Q] = S[i] x, y = Q - 1, N + Q for i in range(Q): T = list(map(str, input().split())) if T[0] == "1": sign *= -1 else: F = int(T[1]) * 2 - 3 if sign * F == 1: L[y] = T[2] ...
p02756
from sys import stdin sin = stdin.readline().rstrip() q = int(stdin.readline().rstrip()) li = [list(stdin.readline().rstrip().split()) for _ in range(q)] point = 0 for i in li: if i[0] == "1": point += 1 elif i[0] == "2": if i[1] == "1": if point%2 == 0: si...
from sys import stdin sin = stdin.readline().rstrip() q = int(stdin.readline().rstrip()) li = [list(stdin.readline().rstrip().split()) for _ in range(q)] point = 0 omote = "" ura = "" for i in li: if i[0] == "1": point += 1 elif i[0] == "2": if i[1] == "1": if point%2 == ...
p02756
n=int(eval(input())) d=''.join([''.join(input().split())for i in range(n//19+(n%19!=0))]) i=0 while True: if d.find(str(i))==-1: print(i) exit() i+=1
n=int(eval(input())) d=''.join(''.join(input().split())for i in[0]*(n//19+(n%19!=0))) i=0 while 1: if d.find(str(i))==-1: print(i) exit() i+=1
p00935
import sys read = sys.stdin.read readline = sys.stdin.readline readlines = sys.stdin.readlines sys.setrecursionlimit(10 ** 9) INF = 1 << 60 MOD = 1000000007 def main(): H, W = map(int, readline().split()) C = [readline().strip() for _ in range(H)] ans = [0] * (2 * H) for i in range(2 ...
import sys read = sys.stdin.read readline = sys.stdin.readline readlines = sys.stdin.readlines sys.setrecursionlimit(10 ** 9) INF = 1 << 60 MOD = 1000000007 def main(): H, W = list(map(int, readline().split())) C = [readline().strip() for _ in range(H)] for i in range(2 * H): prin...
p03853
N,A,B = list(map(int, input().split())) if A % 2 == 0 and B % 2 == 0: print("Alice") elif A % 2 == 0 and B % 2 != 0: print("Borys") elif A % 2 != 0 and B % 2 == 0: print("Borys") elif A % 2 != 0 and B % 2 != 0: print("Alice")
N,A,B = list(map(int, input().split())) D = B - A if D % 2 == 0: print("Alice") else: print("Borys")
p03463
n,a,b = list(map(int,input().split())) cnt = 1 while True: if cnt % 2 != 0: #alice cnt += 1 a += 1 if a == b: print('Borys') break else: cnt += 1 b -= 1 if b == a: print('Alice') break
n,a,b = list(map(int,input().split())) print(('Alice' if (b-a) % 2 == 0 else 'Borys'))
p03463
N, A, B = list(map(int, input().split())) det = (B-A)%2 if det == 1: print('Borys') else: print('Alice')
N, A, B = list(map(int, input().split())) if (B-A)%2 == 0: print('Alice') else: print('Borys')
p03463
def main(): n, a, b = list(map(int, input().split())) if b - a == 1: print("Borys") elif (b - a) % 2 == 0: print("Alice") else: print("Borys") if __name__ == '__main__': main()
def main(): n, a, b = list(map(int, input().split())) if (b - a) % 2 == 0: print("Alice") else: print("Borys") if __name__ == '__main__': main()
p03463
N,A,B = list(map(int,input().split())) if abs(A-B)%2==0: print("Alice") else: print("Borys")
N,A,B = list(map(int,input().split())) if (B-A)%2==0: print("Alice") else: print("Borys")
p03463
n,a,b = list(map(int,input().split())) turn = 1 while abs(a-b) != 1: if turn == 1: if a<b: if (b-a)%2==0 or a==1: a += 1 else: a -=1 else: if (a-b)%2==0 or a==n: a -= 1 else: a +=1 else: if a<b: if (b-a)%2==1 or b==1: b += 1 else: b -=1 else: ...
n,a,b = list(map(int,input().split())) print(('Alice' if abs(b-a)%2==0 else 'Borys'))
p03463
print(('ABloircyes'[eval(input()[2:].replace(' ','-'))%2::2]))
print(('ABloircyes'[sum(map(int,input().split()[1:]))%2::2]))
p03463
import sys def slove(): input = sys.stdin.readline mod = 10 ** 9 + 7 n, a, b = list(map(int, input().rstrip('\n').split())) if (a - b) % 2 == 0: print("Alice") else: print("Borys") if __name__ == '__main__': slove()
import sys def solve(): readline = sys.stdin.buffer.readline mod = 10 ** 9 + 7 n, a, b = list(map(int, readline().split())) print(("Alice" if abs(a - b) % 2 == 0 else "Borys")) if __name__ == '__main__': solve()
p03463
N, A, B = list(map(int, input().split())) while 1: if A + 1 != B: A += 1 elif A - 1 != 0: A -= 1 else: print("Borys") break if B - 1 != A: B -= 1 elif B + 1 != N: B...
N, A, B = list(map(int, input().split())) if (A % 2 == 0) ^ (B % 2 == 0): print("Borys") else: print("Alice")
p03463
n, a, b = list(map(int, input().split())) if (b - a) % 2 == 0: print("Alice") else: print("Borys")
n, a, b = list(map(int, input().split())) if (b - a + 1) % 2: print("Alice") else: print("Borys")
p03463
from sys import stdin n,a,b = [int(x) for x in stdin.readline().rstrip().split()] while True: if a+1 != b: a += 1 else: print("Borys") exit() if b-1 != a: b -= 1 else: print("Alice") exit()
from sys import stdin n,a,b = [int(x) for x in stdin.readline().rstrip().split()] if (b-a)%2 == 1: print("Borys") else: print("Alice")
p03463
N = int(eval(input())) A = [int(Ai) for Ai in input().split()] cards = len(set(A)) print((cards if cards % 2 == 1 else cards - 1))
eval(input()) cards = len(set([Ai for Ai in input().split()])) print((cards if cards % 2 == 1 else cards - 1))
p03816
n = int(eval(input())) a = list(map(int, input().split())) set_a = set(a) nums = {} cnt = 0 for i in set_a: nums[i] = a.count(i) if a.count(i) % 2 == 0: cnt += 1 elif a.count(i) != 1: cnt += 2 print((len(set_a) - cnt%2))
n = int(eval(input())) a = list(map(int, input().split())) set_a = set(a) nums = {} cnt = 0 for i in range(n): nums[a[i]] = nums.get(a[i], 0) + 1 for i in set_a: if nums[i] % 2 == 0: cnt += 1 elif nums[i] != 1: cnt += 2 print((len(set_a) - cnt%2))
p03816
N = int(eval(input())) A = [int(x) for x in input().split()] from collections import defaultdict as dd Sieve = dd(lambda:0) for a in A: Sieve[a] += 1 ans, extra = 0, 0 #extra:同じ数を3枚選んで食べるという操作で「被りカードなし」にできない種類数 for v in list(Sieve.values()): ans += 1 if v > 1 and (v-1)&1: extra += 1 #ex...
N = int(eval(input())) A = [int(x) for x in input().split()] def count(n, Set): if not n in Set: Set.add(n) return 0 else: return 1 Sieve = set() extra = 0 for a in A: extra += count(a, Sieve) print((N-extra if not extra&1 else N-extra-1))
p03816
from collections import Counter N = int(eval(input())) A = list(map(int, input().split())) A = dict(Counter(A)) even = len(list([x for x in list(A.values()) if x%2==0])) if even % 2 == 1: print((len(A)-1)) else: print((len(A)))
from collections import Counter N = int(eval(input())) A = list(map(int, input().split())) ans = len(set(A)) C = Counter(A) Even = 0 for v in list(C.values()): if v % 2 == 0: Even += 1 if Even % 2 == 1: ans -= 1 print(ans)
p03816
from collections import Counter N = int(eval(input())) A = list(map(int, input().split())) ans = len(set(A)) C = Counter(A) Even = 0 for v in list(C.values()): if v % 2 == 0: Even += 1 if Even % 2 == 1: ans -= 1 print(ans)
from collections import Counter N = int(eval(input())) A = list(map(int, input().split())) C = Counter(A) even = len([c for c in list(C.values()) if c % 2 == 0]) ans = len(set(A)) if even % 2 == 0: print(ans) else: print((ans - 1))
p03816
n,*l=list(map(int,open(0).read().split())) from collections import * c=Counter(l) print((len(c)-sum(1-v%2 for v in list(c.values()))%2))
_,*l=list(map(int,open(0).read().split())) c=len(set(l)) print((c-1+c%2))
p03816
_,*l=list(map(int,open(0).read().split())) c=len(set(l)) print((c-1+c%2))
eval(input()) c=len(set(input().split())) print((c-1+c%2))
p03816
from collections import Counter x = int(eval(input())) a = list(map(int,input().split())) c = Counter(a) suma = sum([v for v in list(c.values())]) lenc = len(c) if suma == lenc: print(suma) exit() b = suma - lenc if b % 2 == 0: print(lenc) else: print((lenc - 1))
from collections import Counter x = int(eval(input())) a = list(map(int,input().split())) c = Counter(a) suma = sum([v for v in list(c.values())]) lenc = len(c) b = suma - lenc if b % 2 == 0: print(lenc) else: print((lenc - 1))
p03816
N=int(eval(input())) A=list(map(int,input().split())) S={} for i in range(N): if A[i] in S: S[A[i]]+=1 else: S[A[i]]=1 d=0 for i in list(S.values()): d+=(i-1) print((len(set(A))-d%2))
N=int(eval(input())) K=len(set(list(map(int,input().split())))) if K%2==0: print((K-1)) else: print(K)
p03816
from collections import Counter n = int(eval(input())) a = list(map(int ,input().split())) cnt = Counter(a) # カードの値をカウント ans = len(cnt) # 存在する値の数をカウント if ans%2 == 0: print((ans-1)) # 存在する値の数が偶数であれば1回取り除く必要があるため-1をする else: print(ans) # 奇数の場合はそのまま
n = int(eval(input())) a = list(map(int, input().split())) n = len(set(a)) if n%2 == 0: print((n-1)) else: print(n)
p03816
eval(input()) a = list(map(int, input().split())) c = [] b = [i for i in a if i in c or c.append(i)] print((len(c) if len(b) % 2 == 0 else len(c)-1))
eval(input()) a = list(map(int, input().split())) c = {} lb = lc = 0 for i in a: try: c[i] += 1 lb += 1 except: c[i] = 1 lc += 1 print((lc if lb % 2 == 0 else lc-1))
p03816
from collections import Counter n = int(eval(input())) m = sum(v - 1 for v in list(Counter([int(i) for i in input().split()]).values())) print((n - round(m + 0.5)))
eval(input());k=len(set(input().split()));print((k-1+k%2))
p03816
from collections import Counter N = int(eval(input())) lst = list(map(int, input().split())) C = Counter(lst) odd = 0 even = 0 for c in C: if C[c] % 2 == 0: even += 1 else: odd += 1 if even % 2 == 0: print((len(C))) else: print((len(C) - 1))
N = int(eval(input())) lst = list(map(int, input().split())) s = len(set(lst)) print(((s - 1)//2 * 2 + 1))
p03816
from collections import Counter N = int(eval(input())) A = list(map(int,input().split())) C = list(Counter(A).items()) M = len(C) print((M if (N-M)%2==0 else M-1))
# python3 (3.4.3) import sys input = sys.stdin.readline # main from collections import Counter N = int(eval(input())) A = list(map(int,input().split())) cnt = len(list(Counter(A).values())) if cnt%2==0: print((cnt-1)) else: print(cnt)
p03816
from collections import Counter N = int(eval(input())) A = list(map(int, input().split())) C = Counter(A) ans = N l = 1 r = 10**5 while l != r or (l == r and C[l] > 1): while C[l] <= 1: l += 1 while C[r] <= 1: r -= 1 if l != r: res = min(C[l], C[r]) - 1 else: ...
from collections import Counter N = int(eval(input())) A = list(map(int, input().split())) C = Counter(A) ans = len(C) if (N-ans) % 2 == 1: ans -= 1 print(ans)
p03816
from collections import Counter N = int(eval(input())) A = list(map(int, input().split())) C = Counter(A) ans = len(C) if (N-ans) % 2 == 1: ans -= 1 print(ans)
N = int(eval(input())) A = list(map(int, input().split())) S = set(A) ans = len(S) if (N-ans) % 2 == 1: ans -= 1 print(ans)
p03816
N = int(eval(input())) A = list(map(int,input().split())) count = 0 for i in range(max(A)): if A.count(i+1) > 0: count += A.count(i+1) -1 N = N - 2*(count // 2 + count % 2) print(N)
N = int(eval(input())) A = list(map(int,input().split())) count = [0]*max(A) for i in A: count[i-1] += 1 count = [i for i in count if i != 0] count = sum(count) - len(count) N = N - 2*(count // 2 + count % 2) print(N)
p03816
from collections import Counter n = int(eval(input())) a = list(map(int, input().split())) cnt = Counter() for i in range(n): cnt[a[i]] += 1 for a in cnt: cnt[a] %= 2 z_o = list(cnt.values()) if list(z_o).count(0) % 2 == 0: print((len(cnt))) else: print((len(cnt) - 1))
n = int(eval(input())) a = list(map(int, input().split())) a_set = set(a) if len(a_set) % 2 == 0: print((len(a_set) - 1)) else: print((len(a_set)))
p03816
N=int(eval(input())) *A,=list(map(int,input().split())) cnt = {} for a in A: cnt[a] = cnt.get(a,0)+1 keys = sorted(cnt.keys()) i = 0 j = len(keys)-1 while i <= j: ki,kj = keys[i],keys[j] if cnt[ki]<=1: i+=1 continue if cnt[kj]<=1: j-=1 continue cnt[ki]...
N = int(eval(input())) *A, = list(map(int,input().split())) c = {} for a in A:c[a] = c.get(a,0)+1 print((len(c) - sum(v-1 for v in list(c.values()))%2))
p03816
N = int(eval(input())) A = list(map(int, input().split())) m = {} eat = 1 for a in A: if a in m: eat += 1 else: m[a] = 1 print((N - 2 * (eat // 2)))
N = int(eval(input())) A = list(map(int, input().split())) d = {} for a in A: d[a] = 1 print((len(d) - (0 if len(d) % 2 else 1)))
p03816
import functools N = int(eval(input())) A = list(map(int, input().split())) d = [0 for i in range(10 ** 5 + 1)] for a in A: d[a] = 1 s = sum(d) print((s - (0 if s % 2 else 1)))
N = int(eval(input())) A = list(map(int, input().split())) d = [0 for i in range(10 ** 5 + 1)] for a in A: d[a] = 1 s = sum(d) print((s - (0 if s % 2 else 1)))
p03816
N = int(eval(input())) A = list(map(int, input().split())) MAX_A = 10**5 dp = [0] * (MAX_A + 1) for i in range(N): dp[A[i]] += 1 tmp = 0 for j in range(MAX_A + 1): if dp[j] > 0: tmp += dp[j] - 1 tmp += tmp % 2 print((N - tmp))
N = int(eval(input())) A = list(map(int, input().split())) s = set(A) k = len(s) if k % 2: ans = k else: ans = k - 1 print(ans)
p03816
from collections import Counter N = int(eval(input())) A = [int(i) for i in input().split()] C = Counter(A) ret = len(C) cnt = [] for v in list(C.values()) : if v >= 2 : cnt.append(v - 1) s = sum(cnt) for c in cnt : if c > s // 2 : ret -= (2 * c - s) % 2 break else ...
N = int(eval(input())) A = [int(i) for i in input().split()] l = len(set(A)) print((l - (N - l) % 2))
p03816
import sys stdin = sys.stdin def na(): return list(map(int, stdin.readline().split())) def ns(): return stdin.readline().strip() def ni(): return int(stdin.readline()) n = ni() a = na() lst = [] c=0 for i in a: if(i not in lst): lst.append(i) c = c+1 if(c%2 == 0):c=c-1 print(c)...
import sys stdin = sys.stdin def na(): return list(map(int, stdin.readline().split())) def ns(): return stdin.readline().strip() def ni(): return int(stdin.readline()) n = ni() a = na() st = set() for i in a: if(i not in st): st.add(i) c = len(st) if(c%2 == 0):c=c-1 print(c)
p03816
from collections import defaultdict as dd from functools import reduce if __name__ == "__main__": N = int(eval(input())) arr = list(map(int, input().split())) dic = dd(int) for el in arr: dic[el] += 1 count = len(dic) - len(list([x for x in list(dic.values()) if x % ...
from collections import Counter from functools import reduce if __name__ == "__main__": N = int(eval(input())) arr = list(map(int, input().split())) dic = Counter(arr) count = len(dic) - reduce(lambda sum, item: sum + 1, [x for x in list(dic.values()) if x % 2 == 0], 0) % 2 print(count)
p03816
N = int(eval(input())) list_card = list(map(int, input().split())) count = 0 for x in set(list_card): count += list_card.count(x) - 1 print((N - (count + count%2)))
N = int(eval(input())) list_card = list(map(int, input().split())) ##count = 0 ##for x in set(list_card): ## count += list_card.count(x) - 1 M = N - len(set(list_card)) print((N - (M + M%2)))
p03816
# -*- coding: utf-8 -*- import sys def input(): return sys.stdin.readline().strip() sys.setrecursionlimit(10 ** 9) INF = float('inf') MOD = 10 ** 9 + 7 from collections import Counter N = int(eval(input())) aN = list(map(int, input().split())) dups = Counter(aN) for k, v in list(dups.items()): du...
# -*- coding: utf-8 -*- import sys from collections import Counter def input(): return sys.stdin.readline().strip() def list2d(a, b, c): return [[c] * b for i in range(a)] def list3d(a, b, c, d): return [[[d] * c for j in range(b)] for i in range(a)] def list4d(a, b, c, d, e): return [[[[e] * d for j in range...
p03816
from collections import defaultdict def main(): n = int(eval(input())) card_list = list(map(int, input().split())) ans = len(set(card_list)) d = defaultdict(int) for card in card_list: d[card] += 1 one, two = 0, 0 for card, num in list(d.items()): if num %...
from collections import defaultdict def main(): n = int(eval(input())) a_list = list(map(int, input().split())) s = len(set(a_list)) if (len(a_list) - s) % 2 != 0: print((s - 1)) else: print(s) if __name__ == '__main__': main()
p03816
N=int(eval(input())) A=list(map(int,input().split())) A.sort() S=[] D=[] for i in A: if i in S: D.append(i) else: S.append(i) S=set(S) import sys if D==[]: print(N) sys.exit() M=N-len(D) if len(D)%2==1: print((M-1)) else: MaxD,MinD=D[-1],D[0] Med=-1 ...
N=int(eval(input()));A=list(map(int,input().split()));S=len(set(A));print((S-1+S%2))
p03816
from collections import Counter N = int(eval(input())) A = list(map(int, input().split())) num = len(Counter(A)) print((num - (N-num)%2))
# 入力 import sys stdin = sys.stdin def li(): return [int(x) for x in stdin.readline().split()] def li_(): return [int(x)-1 for x in stdin.readline().split()] def lf(): return [float(x) for x in stdin.readline().split()] def ls(): return stdin.readline().split() def ns(): return stdin.readline().rstrip() def lc...
p03816
n = int(eval(input())) a = list(map(int, input().split())) s = [] c = 0 for i in a: if not i in s: s.append(i) else: c += 1 print((n - 2 * ((c + 1) // 2)))
n = int(eval(input())) a = list(map(int, input().split())) b = set(a) print((n - 2 * ((n - len(b) + 1) // 2)))
p03816
from collections import Counter n = int(eval(input())) A = sorted(list(map(int,input().split()))) c = Counter(A) lst = list(c.values()) l,r = 0, len(lst)-1 while sum(lst) > len(lst): if lst[l] <= 1: l += 1 continue else: if lst[r] <= 1: r -= 1 continu...
from collections import Counter n = int(eval(input())) A = sorted(list(map(int,input().split()))) c = list(Counter(A).values()) ans = len(c) d = [i-1 for i in c] print((ans if sum(d)%2==0 else ans-1))
p03816
from collections import* from heapq import* n,*a=list(map(int,open(0).read().split())) q=[-t for t in list(Counter(a).values())] heapify(q) while q[0]<-1: p=heappop(q) if p<-2: heappush(q,p+2) else: heappush(q,p+1) r=heappop(q) if r<-1: heappush(q,r+1...
_,a=open(0);k=len(set(a.split()));print((k-(k%2<1)))
p03816
_,a=open(0);k=len(set(a.split()));print((k-(k%2<1)))
_,a=open(0);k=len(set(a.split()));print((k-1+k%2))
p03816
N= int(input()) a = list(map(int, input().split())) a.sort() while(True): is_finish = False mn = min(a) while(a.count(mn) == 1): idx = a.index(mn)+1 if idx >= len(a): mn = min(a) break else: mn = a[idx] mx = max(a) while(a...
N = int(input()) a = set(map(int, input().split())) print(len(a) if len(a) % 2 != 0 else len(a)-1)
p03816
from collections import Counter N = int(eval(input())) A = list(map(int,input().split())) A.sort() #print(A) Ac = Counter(A).most_common() #print(Ac) ans = 0 for i in range(len(Ac)): if Ac[i][1] > 1: ans += Ac[i][1]-1 print((N-ans if ans%2 == 0 else N-ans-1))
from collections import Counter N = int(eval(input())) A = list(map(int,input().split())) Ac = Counter(A).most_common() #print(Ac) ans = 0 for i in range(len(Ac)): if Ac[i][1] > 1: ans += Ac[i][1]-1 print((N-ans if ans%2 == 0 else N-ans-1))
p03816
from collections import defaultdict n = int(eval(input())) a_list = [int(x) for x in input().split()] d = defaultdict(int) for a in a_list: d[a] += 1 print((len(list(d.keys())) - sum([1 for v in list(d.values()) if v % 2 == 0]) % 2))
from collections import defaultdict n = int(eval(input())) a_list = [int(x) for x in input().split()] d = defaultdict(int) for a in a_list: d[a] += 1 print((len(list(d.keys())) - sum([1 - v % 2 for v in list(d.values())]) % 2))
p03816
n=int(eval(input())) a=list(map(int,input().split())) a.sort() k=1 lst=[] for i in range(1,n): if a[i]==a[i-1]: k+=1 else: lst.append(k) k=1 lst.append(k) m=len(lst) count=0 for i in range(m): if lst[i]%2==0: lst[i]=2 count+=1 else: lst[...
n=int(eval(input())) a=list(map(int,input().split())) a=len(set(a)) if a%2==0: print((a-1)) else: print(a)
p03816
n = int(eval(input())) a = len(set(list(map(int,input().split())))) if a%2==0: print((a-1)) else: print(a)
eval(input());a=len(set(input().split()));print((a-1+a%2))
p03816
from collections import Counter N = int(eval(input())) a = list(map(int, input().split(" "))) c = Counter(a) ref = [v-1 for k, v in list(c.items()) if v != 1] ans = N - ((sum(ref)+1)//2)*2 print(ans)
N = int(eval(input())) a = list(map(int, input().split(" "))) uni = len(list(set(a))) if uni % 2 == 0: uni -= 1 print(uni)
p03816
n = int(eval(input())) l = len(set(list(map(int, input().split())))) print((l - 1 if (n - l) % 2 else l))
n = int(eval(input())) l = len(set(map(int, input().split()))) print((l - (n - l) % 2))
p03816
def main(): import sys #input = sys.stdin.readline sys.setrecursionlimit(10000000) from collections import Counter, deque #from collections import defaultdict from itertools import combinations, permutations #from itertools import accumulate, product from bisect import bisect_lef...
input() A = list(map(int, input().split())) a = len(set(A)) res = len(A)-a print(a-1) if res%2 else print(a)
p03816
import collections n = int(input()) ais = list(map(int, input().split())) cc = collections.Counter(ais) k = n - len(cc) print(len(cc) - (1 if (n - len(cc)) % 2 == 1 else 0))
n,s = int(input()),set(map(int, input().split())) print(len(s) - (1 if (len(s) & 1 == 0) else 0))
p03816
#coding: UTF-8 import time import collections N=int(eval(input())) lis=list(map(int, input().split())) #kind=set(lis) #kindn=len(kind) kind_dict=collections.Counter(lis) kindn=len(kind_dict) out=0 for i in kind_dict: if kind_dict[i]%2==0: out+=1 if out%2==0: print(kindn) else: print(...
#coding: UTF-8 N=int(eval(input())) lis=list(map(int, input().split())) kind_dict={} for i in lis: if i in kind_dict: kind_dict[i]+=1 else: kind_dict[i]=1 kindn=len(kind_dict) out=0 for i in kind_dict: if kind_dict[i]%2==0: out+=1 if out%2==0: print(kindn) else: ...
p03816
N = int(eval(input())) A = list(map(int,input().split(" "))) dic = {} one = [] for i in range(N): if not A[i] in one: one.append(A[i]) ans = len(one) print((ans - ((ans+1) % 2)))
N = int(eval(input())) A = list(map(int,input().split(" "))) print((len(set(A)) - ((len(set(A))+1) % 2)))
p03816
from collections import Counter N=int(eval(input())) A=sorted(map(int,input().split())) li=[] i=0 while(i<N): cnt=0 j=i while(j<N and A[i]==A[j]): cnt+=1 j+=1 li.append(cnt-1) i=j l=len(li) for i in range(l): for j in range(i+1,l): if li[i]==0: ...
N=int(eval(input())) k=len(set(list(map(int,input().split())))) print((k if k%2 else k-1))
p03816
# 同じカードが3枚以上ある場合は2枚ずつ減らせる # 3枚以上で奇数の場合->1枚残る # 3枚以上で偶数の場合->2枚残る # 同じカードが2枚の場合 # 2枚のペアが2つ存在する場合 # 片方のペアから2枚選べば、両方の数字を1にできる # ペアの数を2で割った数(切り捨て)*2のカードを減らせる # 2枚のペアが1つ残ったとき # そのときの全体数-2が答え # 2枚のペアが残ってなければそのまま答え N=int(eval(input())) A=sorted(list(map(int,input().split()))) card=N pairs=0 import itertoo...
N,*A=list(map(int,open(0).read().split())) A=len(set(A)) print(((A-1,A)[A&1]))
p03816
def d_card_eater(N, A): # 解説どおり from collections import Counter kind = len(set(A)) # 数列に現れる値の種類の数 ans = kind if kind % 2 == 1 else kind - 1 return ans N = int(eval(input())) A = [int(i) for i in input().split()] print((d_card_eater(N, A)))
def d_card_eater(N, A): # 解説どおり kind = len(set(A)) # 数列に現れる値の種類の数 ans = kind if kind % 2 == 1 else kind - 1 return ans N = int(eval(input())) A = [int(i) for i in input().split()] print((d_card_eater(N, A)))
p03816
import sys from collections import Counter read = sys.stdin.read readline = sys.stdin.readline readlines = sys.stdin.readlines sys.setrecursionlimit(10 ** 9) INF = 1 << 60 MOD = 1000000007 def main(): N, *A = list(map(int, read().split())) counter = Counter(A) odd = even = 0 for v ...
import sys read = sys.stdin.read readline = sys.stdin.readline readlines = sys.stdin.readlines sys.setrecursionlimit(10 ** 9) INF = 1 << 60 MOD = 1000000007 def main(): N, *A = list(map(int, read().split())) K = len(set(A)) if K % 2 == 1: ans = K else: ans = K - 1 ...
p03816
n=int(eval(input())) a=sorted([int(i) for i in input().split()]) def groupby(a): a2=[[a[0],1]] for i in range(1,len(a)): if a2[-1][0]==a[i]: a2[-1][1]+=1 else: a2.append([a[i],1]) return a2 a=groupby(a) #print(a) l=len(a) for i in range(l): if a[i]...
n=int(eval(input())) def groupby(a): a2=[[a[0],1]] for i in range(1,len(a)): if a2[-1][0]==a[i]: a2[-1][1]+=1 else: a2.append([a[i],1]) return a2 b=groupby(sorted([int(i) for i in input().split()])) l=len(b) co=0 for i in range(l): co+=(b[i][1]-1) ...
p03816
import abc class AdjacentGraph: """Implementation adjacency-list Graph. Beware ids are between 1 and size. """ def __init__(self, size): self.size = size self._nodes = [[0] * (size+1) for _ in range(size+1)] def set_adj_node(self, id_, adj_id): self._nodes[id_]...
import abc class AdjacentGraph: """Implementation adjacency-list Graph. Beware ids are between 1 and size. """ def __init__(self, size): self.size = size self._nodes = [[0] * (size+1) for _ in range(size+1)] def set_adj_node(self, id_, adj_id): self._nodes[id_]...
p02239
while True: n, m, a = list(map(int, input().split())) if n + m + a == 0: break lines = list(sorted([tuple(map(int, input().split())) for _ in range(m)])) replace = list(range(1, n+1)) for l in lines: _, p, q = l p -= 1 q -= 1 replace[p]...
while True: # num_columns: ????£?????????° # num_lines: ?¨??£?????????°(???????????????2????´???????????????°) # entry: ????????????????????????????§?????????´???????????? num_columns, num_lines, entry = list(map(int, input().split())) if num_columns == 0 and num_lines == 0 and entry == 0...
p01126
a=input() ary=list(a) count = 0 tmp="" for i,v in enumerate(ary): if v == tmp: del(ary[i]) tmp=v else: tmp=v def countStr(arys): cW=0 cB=0 for i in arys: if i == "B": cB += 1 else: cW += 1 return cW, cB while len(set(ary)) != 1: count += 1 #W, B...
a=input() ary=list(a) count = 0 tmp=ary[0] for i,v in enumerate(ary): if v == tmp: tmp=v else: tmp=v count += 1 print(count)
p03947
s=input() l=0 r=len(s)-1 news="" i=0 while i<len(s): if s[i]=="W": while i<len(s) and s[i]=="W": i+=1 news+=s[i-1] else: while i<len(s) and s[i]=="B": i+=1 news+=s[i-1] print((len(news)-1))
s=input() now=s[0] ans=0 for i in range(1,len(s)): if now!=s[i]: ans+=1 now=s[i] print(ans)
p03947
def main(): s = input() check_b = lambda x: x=='B' check_w = lambda x: x=='W' if all(map(check_b, list(s))) or all(map(check_w, list(s))): return 0 work = list(s)[:] flag_b = False flag_w = False stack = [] cnt = 0 for i in range(len(work)-1): w_li...
def main(): s = input() check_b = lambda x: x=='B' check_w = lambda x: x=='W' if all(map(check_b, list(s))) or all(map(check_w, list(s))): return 0 work = list(s)[:] cnt = 0 for i in range(len(work)-1): w_list = work[i:i+2] if w_list[0] == w_list[1]: ...
p03947
# ABC_129 C def stairs(n, a): num_list = [i for i in range(n+1) if i not in a] dp = [0 for _ in range(n+1)] dp[0] = 1 if 1 not in a: dp[1] = 1 for i in num_list: if i > 1: dp[i] = dp[i-1] + dp[i-2] result = dp[n] % 1000000007 print(result) n,...
# ABC_129 C def stairs(n, a): num_list = set(i for i in range(n+1) if i not in a) dp = [0 for _ in range(n+1)] dp[0] = 1 if 1 not in a: dp[1] = 1 for i in num_list: if i > 1: dp[i] = dp[i-1] + dp[i-2] result = dp[n] % 1000000007 print(...
p03013
import sys sys.setrecursionlimit(10 ** 6) N, M = list(map(int, input().split())) A = [] ANS = [] for i in range(N + 10): ANS.append(None) for _ in range(M): a = int(eval(input())) A.append(a) ANS[a] = 0 def f(x): if ANS[x] is not None: return ANS[x] if x > N: ...
import sys sys.setrecursionlimit(10 ** 6) N, M = list(map(int, input().split())) A = [] ANS = [] for i in range(N + 10): ANS.append(None) for _ in range(M): a = int(eval(input())) A.append(a) ANS[a] = 0 def f(x): if ANS[x] is not None: return ANS[x] if x > N: ...
p03013
import sys sys.setrecursionlimit(10 ** 6) N, M = list(map(int, input().split())) A = [] for _ in range(M): a = int(eval(input())) A.append(a) dp = [] for i in range(N + 1): dp.append(None) dp.append(0) dp[N] = 1 for i in range(N - 1, -1, -1): if i in A: dp[i] = 0 ...
N, M = list(map(int, input().split())) A = [] dp = [] for i in range(N + 1): dp.append(None) A.append(None) for _ in range(M): a = int(eval(input())) A[a] = 1 dp.append(0) dp[N] = 1 for i in range(N - 1, -1, -1): if A[i]: dp[i] = 0 continue dp[i] = dp[i + 1...
p03013
N, M = list(map(int, input().split())) A = [] dp = [] for i in range(N + 1): dp.append(None) A.append(None) for _ in range(M): a = int(eval(input())) A[a] = 1 dp.append(0) dp[N] = 1 for i in range(N - 1, -1, -1): if A[i]: dp[i] = 0 continue dp[i] = dp[i + 1...
N, M = list(map(int, input().split())) A = set() dp = [] for i in range(N + 1): dp.append(None) for _ in range(M): a = int(eval(input())) A.add(a) dp.append(0) dp[N] = 1 for i in range(N - 1, -1, -1): if i in A: dp[i] = 0 continue dp[i] = dp[i + 1] + dp[i + 2] ...
p03013
N, M = list(map(int, input().split())) A = [] for i in range(M): A.append(int(eval(input()))) X = [0] * (N + 1) for i in range(N + 1): if i == 0: X[i] = 1 elif i == 1: if 1 not in A: X[i] = 1 else: X[i] = 0 else: if i in A: X[i] = 0 else: X[i] = (X[...
N, M = list(map(int, input().split())) A = [] for i in range(M): A.append(int(eval(input()))) X = [0] * (N + 1) for i in A: X[i] = -1 for i in range(N + 1): if i == 0: X[i] = 1 elif i == 1: if X[i] == -1: X[i] = 0 else: X[i] = 1 else: if X[i] == -1: X[i] ...
p03013
n, m = list(map(int, input().split())) list_score = set([int(eval(input())) for _ in range(m)]) dp = [0] * (n + 1) mod = pow(10, 9) + 7 dp[0] = 1 if 1 in list_score: dp[1] = 0 else: dp[1] = 1 for i in range(2, n + 1): if i not in list_score: dp[i] = dp[i - 1] + dp[i - 2] dp...
n, m = list(map(int, input().split())) set_A = set() dp = [0]*n mod = pow(10, 9) + 7 for _ in range(m): set_A.add(int(eval(input()))) if 1 not in set_A: dp[0] = 1 if 2 not in set_A and n != 1: dp[1] = 1 + dp[0] for i in range(2, n): if i + 1 not in set_A: dp[i] += (dp[i-1] + dp...
p03013
import math, string, itertools, fractions, heapq, collections, re, array, bisect, sys, random, time, copy, functools sys.setrecursionlimit(10**7) inf = 10 ** 20 eps = 1.0 / 10**10 mod = 10**9+7 dd = [(-1, 0), (0, 1), (1, 0), (0, -1)] ddn = [(-1, 0), (-1, 1), (0, 1), (1, 1), (1, 0), (1, -1), (0, -1), (-1, -1)] d...
# -*- coding: utf-8 -*- import sys mod = 10 ** 9 + 7 def get_nums(n): res = [0 for _ in range(n)] for i in range(n): res[i] = int(eval(input())) return res def get_numbers(): return list(map(int, input().split())) n, m = get_numbers() a = set(get_nums(m)) dp = [0 for _ ...
p03013
import sys n, m = list(map(int, input().split())) A = [] for i in range(m): A.append(int(eval(input()))) dp = [0] * (n+1) mod = 1000000007 dp[0] = 1 if 1 in A: if 2 in A: print((0)) sys.exit() else: dp[1] = 1 for i in range(2, n+1): if i in A: dp[i] = 0 els...
n, m = list(map(int, input().split())) mod = 1e9 + 7 ok = [True] * (n+1) for i in range(m): a = int(eval(input())) ok[a] = False dp = [0] * (n+1) dp[0] = 1 for i in range(n): for j in range(i+1, 1 + min(n, i + 2)): if ok[j]: dp[j] += dp[i] dp[j] %= mod print((int...
p03013
n, m = list(map(int,input().split())) a = [int(eval(input())) for i in range(m)] dp = [float("inf")] * (n+1) dp[0] = 1 dp[1] = 1 for i in a: dp[i] = 0 for i in range(2, n+1): dp[i] = min(dp[i], (dp[i-1] + dp[i-2])) print((dp[n] % 1000000007))
n, m = list(map(int,input().split())) a = [int(eval(input())) for i in range(m)] dp = [float("inf")] * (n+1) dp[0] = 1 dp[1] = 1 for i in a: dp[i] = 0 for i in range(2, n+1): dp[i] = min(dp[i], (dp[i-1] + dp[i-2])%(10**9+7)) print((dp[n]))
p03013
n,m = list(map(int,input().split())) xx = [int(eval(input())) for _ in range(m)] f = [0]*(n+3) f[0] = 1 endf = 0 for i in range(1,n+1): if i in xx: endf += 1 if endf ==2: print((0)) break continue else : if endf == 1: endf = 0 ...
n,m = list(map(int,input().split())) mod = 10**9+7 dp = [1]*(n+1) for i in range(m): dp[int(eval(input()))] =0 for i in range(2,n+1): if dp[i]!=0: dp[i]=dp[i-1]+dp[i-2] print((dp[n]%mod))
p03013
n, m = list(map(int, input().split())) a_l = [ int(eval(input())) for _ in range(m) ] dp = [0] * (n+1) dp[0] = 1 if 1 not in a_l: dp[1] = 1 else: dp[1] = 0 if n > 1: if 2 not in a_l: dp[2] = dp[0] + dp[1] else: dp[2] = 0 for i in range(2,n+1): if i not in a_l:...
n, m = list(map(int, input().split())) a_l = [ int(eval(input())) for _ in range(m) ] dp = [1] * (n+1) dp[0] = 1 if 1 not in a_l: dp[1] = 1 else: dp[1] = 0 if n > 1: for i in a_l: dp[i] = 0 if 2 not in a_l: dp[2] = dp[0] + dp[1] else: dp[2] = 0 for i in r...
p03013
n, m = list(map(int, input().split())) a = [int(eval(input())) for i in range(m)] s = [1] * (n + 1) if 1 in a: s[1] = 0 for i in range(2, n + 1): if i in a: s[i] = 0 else: if s[i - 2] == 0 and s[i - 1] == 0: print((0)) exit() else: s[i...
n, m = list(map(int, input().split())) s = [1] * (n + 1) for i in range(m): a = int(eval(input())) s[a] = 0 for i in range(2, n + 1): if s[i] == 0: continue else: if s[i - 2] == 0 and s[i - 1] == 0: print((0)) exit() else: s[i] = s...
p03013
import math def perm(n, r): return math.factorial(n) // math.factorial(n - r) def comb(n, r): return perm(n, r) // math.factorial(r) n, m = list(map(int, input().split())) A = [int(eval(input())) for _ in range(m)] for i in range(m - 1): if A[i + 1] - A[i] == 1: ans = 0 p...
n, m = list(map(int, input().split())) S = [1] * (n + 1) for _ in range(m): a = int(eval(input())) S[a] = 0 i = -3 for _ in range(n - 1): if S[i] != 0: S[i] = S[i + 1] + S[i + 2] i -= 1 ans = S[0] % (10**9 + 7) print(ans)
p03013
read = input rn = lambda :list(map(int, read().split())) n, m = rn() M = [] P = 1000000007 for i in range(m): M.append(int(read())) M = set(M) dp = [0 for i in range(n + 1000)] dp[0] = 1 for i in range(n+1): for nxt in range(i+1, i+3): if(nxt not in M): dp[nxt] += dp[i] ...
read = input rn = lambda :list(map(int, read().split())) n, m = rn() M = [] P = 1000000007 for i in range(m): M.append(int(read())) M = set(M) dp = [0 for i in range(n + 10)] dp[0] = 1 for i in range(n+1): for nxt in range(i+1, i+3): if(nxt not in M): dp[nxt] += dp[i] ...
p03013
import sys N, M = list(map(int, sys.stdin.readline().strip().split())) A = set() for _ in range(M): A.add(int(sys.stdin.readline())) # i段目の階段への到達方法の数 dp = [0 for _ in range(N+1)] dp[0] = 1 dp[1] = 0 if 1 in A else 1 for i in range(2, N+1): if i in A: continue dp[i] = dp[i-1] + dp[i...
import sys mod = 1000000007 N, M = list(map(int, sys.stdin.readline().split())) A = set() for _ in range(M): a = int(sys.stdin.readline()) A.add(a) dp = [0] * (N+1) dp[0] = 1 dp[1] = 0 if 1 in A else 1 for i in range(1, N): if i+1 in A: continue dp[i+1] = dp[i] + dp[i-1] ...
p03013
N,M=list(map(int,input().split())) MOD=(10**9)+7 a=[0 for i in range(N+1)] for _ in range(M): A=int(eval(input())) a[A]=-1 a[0]=1 for i in range(N): if a[i]==-1: continue if a[i+1]!=-1: a[i+1]+=a[i] a[i+1]%=MOD if i+2<=N and a[i+2]!=-1: a[i+2]+=a[i] a[i+2]%=MOD print((a[N...
N,M=list(map(int,input().split())) MOD=(10**9)+7 a=[0 for i in range(N+1)] for _ in range(M): A=int(eval(input())) a[A]=-1 a[0]=1 for i in range(N): if a[i]==-1: continue if a[i+1]!=-1: a[i+1]+=a[i] a[i+1]%=MOD if i+2<=N and a[i+2]!=-1: a[i+2]+=a[i] a[i+2]%=MOD print((max...
p03013
n,m = list(map(int,input().split())) dp = [0]*(n+1) ary = [int(eval(input())) for _ in range(m)] dp[0] = 1 for i in ary: dp[i] = -1 if dp[i-1] == -1 and dp[i] == -1:print((0));exit() for i in range(1,n+1): if dp[i] == -1:continue elif dp[i-1] == -1:dp[i] = dp[i-2] elif dp[i-2] == -1:dp[i] ...
import sys sys.setrecursionlimit(500000) def f(i): if dp[i] != -1 and dp[i] != 0: return dp[i] if dp[i] == -1: return 0 if i == -1: return f(i - 1) elif i > 1: dp[i] = f(i - 1) + f(i - 2) else: dp[i] = f(i - 1) return dp[i] n,m = list(map(int,input().spl...
p03013