input
stringlengths
20
127k
target
stringlengths
20
119k
problem_id
stringlengths
6
6
N = int(eval(input())) I = [[int(i) for i in input().split()] for j in range(N)] current, time = (0, 0), 0 for i in range(N): dist = abs(current[0] - I[i][1]) + abs(current[1] - I[i][2]) if dist > I[i][0] - time or (I[i][0]- time - dist) % 2 == 1: print("No") break current, time = ...
import sys def solve(): N = int(eval(input())) cx, cy = 0, 0 nt = 0 for _ in range(N): t, x, y = list(map(int, input().split())) rem = t - nt - abs(x - cx) - abs(y - cy) if rem < 0 or rem % 2 > 0: print("No") break cx, cy = x, y ...
p03457
# -*- coding: utf-8 -*- def compare(x): return x[0] def find(x, lst): for value in lst: if value[0] == x: return True return False n = int(input()) lst = [[0, 0, 0]] for i in range(n): lst.append(list(map(int, input().split()))) lst.sort(key=compare) x = lst[len(lst) - 1][0] for ...
# -*- coding: utf-8 -*- n = int(input()) points = [] for i in range(n): points.append(list(map(int, input().split()))) flg = False for point in points: flg = (point[0] >= (point[1] + point[2])) and ((point[0] % 2 == 1) and ((point[1] + point[2]) % 2 == 1) or (point[0] % 2 == 0) and ((point[1] + point[2]) %...
p03457
import sys can = True; eval(input()) e = [[0, 0, 0]] + [list(map(int, e.split())) for e in sys.stdin] for a, b in zip(e[1:], e): t = a[0] - b[0] - abs(a[1] - b[1]) - abs(a[2] - b[2]) if t < 0 or t % 2 == 1: can = False; break print((['No', 'Yes'][can]))
import sys ans = 'Yes'; eval(input()) for e in sys.stdin: t, x, y = list(map(int, e.split())) t = t - x - y if t < 0 or t % 2 == 1: ans = 'No'; break print(ans)
p03457
N = int(eval(input())) T = 0 X = 0 Y = 0 ans = 'Yes' for i in range(N): t, x, y = list(map(int, input().split())) if abs(X-x)+abs(Y-y)>abs(T-t) or (((X-x)+(Y-y))-(T - t))%2==1: ans = 'No' else: T = t X = x Y = y print(ans)
N = int(eval(input())) xc, yc, tc = 0, 0, 0 ans = 'Yes' for i in range(N): t, x, y = list(map(int, input().split())) if (t - tc - abs(x-xc) - abs(y-yc)) % 2 == 0 and t - tc - abs(x-xc) - abs(y-yc) >= 0: xc, yc, tc = x, y, t else: ans = 'No' break print(ans)
p03457
N = int(eval(input())) txys = [list(map(int, input().split())) for _ in range(N) ] txys.insert(0, [0, 0, 0]) for i in range(N): t1, x1, y1 = txys[i] t2, x2, y2 = txys[i+1] dt = t2 - t1 tIsEven = dt % 2 == 0 dist = abs(x1 - x2) + abs(y1 - y2) xyIsEven = dist % 2 == 0 if tIsEven !=...
N = int(eval(input())) txys = [list(map(int, input().split())) for _ in range(N) ] txys.insert(0, [0, 0, 0]) for i in range(N): t1, x1, y1 = txys[i] t2, x2, y2 = txys[i+1] dt = t2 - t1 dist = abs(x1 - x2) + abs(y1 - y2) if dt % 2 != dist % 2 or dist > dt: print("No") exit...
p03457
n = int(eval(input())) l = [] for i in range(n): t,x,y = list(map(int,input().split())) l.append([t,x,y]) for i in range(n): t,x,y = l[i][0],l[i][1],l[i][2] if x+y > t or (t-(x+y))%2 != 0: print('No') exit() l.sort() for i in range(n-1): t,x,y = l[i][0],l[i][1],l[i][2...
n = int(eval(input())) l = [[0,0,0]] for i in range(n): t,x,y = list(map(int,input().split())) l.append([t,x,y]) for i in range(n): t,x,y = l[i][0],l[i][1],l[i][2] t_,x_,y_ = l[i+1][0],l[i+1][1],l[i+1][2] if t_ - t < (abs(x-x_)+abs(y-y_)) or (t_-t-(abs(x-x_)+abs(y-y_)))%2 != 0: prin...
p03457
def dist(x,y): return abs(x[0]-y[0])+abs(x[1]-y[1]) N = int(eval(input())) X = [list(map(int,input().split())) for _ in range(N)] flag = 0 t1,x1,y1 = 0,0,0 for i in range(N): t2,x2,y2 = X[i] d = dist((x1,y1),(x2,y2)) dt = t2-t1 if dt>=d and (dt-d)%2==0: t1,x1,y1 = X[i] else: ...
def dist(x,y): return abs(x[0]-y[0])+abs(x[1]-y[1]) N = int(eval(input())) X = [list(map(int,input().split())) for _ in range(N)] flag = 0 t1 = 0 x1,y1 = 0,0 for i in range(N): t2,x2,y2 = X[i] dt = t2-t1 d = dist((x1,y1),(x2,y2)) if dt>=d and (dt-d)%2==0: t1,x1,y1 = t2,x2,y2 ...
p03457
N = int(eval(input())) t = [0] * (N+1) x = [0] * (N+1) y = [0] * (N+1) for i in range(N): t[i+1], x[i+1], y[i+1] = list(map(int, input().split())) f = True for i in range(N): dt = t[i+1] - t[i] dist = abs(x[i+1]-x[i]) + abs(y[i+1]-y[i]) if dt < dist: f = False if dist%2 != dt%2...
n = int(eval(input())) for i in range(n): t,x,y=list(map(int,input().split())) if (x + y) > t or (x + y + t) % 2: print("No") exit() print("Yes")
p03457
n = int(eval(input())) x = 0 y = 0 time = 0 for i in range(n): m = list(map(int,input().split())) if (m[0]-time)>=abs(m[1]-x)+abs(m[2]-y): if ((m[0]-time) -(abs(m[1]-x) + abs(m[2]-y)))%2 ==0: x = m[1] y = m[2] time = m[0] if i == n-1: ...
a = int(eval(input())) x = 0 y = 0 time = 0 for i in range(a): aa,b,c = list(map(int,input().split())) if (abs(b-x) + abs(c-y)) %2 == (aa - time)%2 and abs(b-x) + abs(c-y) <= aa - time: x = b y = c time = aa else: print("No") break if i == a-1: ...
p03457
n,*l=list(map(int,open(0).read().split()));print(("YNeos"[any((i+j+k)%2+(i<j+k)for i,j,k in zip(*[iter([abs(i-j)for i,j in zip([0,0,0]+l,l)])]*3))::2]))
_,*l=list(map(int,open(0).read().split()));print(("YNeos"[any((t+x+y)%2+(t<x+y)for t,x,y in zip(*[iter(l)]*3))::2]))
p03457
class Coodinate (object): """Coodinate object This class contains infomation about the coodinates. Each instance can have up to 3-dimensional(x,y,z) space coodinates. params ------------------------------ x : int or floot ,default 0 y : int or floot ,default 0 z : int or fl...
# AtCoder Beginner Contest 086 # C - Traveling N=int(eval(input())) T=0 X,Y=0,0 for i in range (N): t, x, y =list(map(int,input().split())) time =t-T distance=abs((x+y)-(X+Y)) if time >= distance and time%2==distance%2: T=t X,Y=x,y else : print("No") ...
p03457
N = int(eval(input())) All = [list(map(int, input().split())) for _ in range(N)] t = [row[0] for row in All] x = [row[1] for row in All] y = [row[2] for row in All] pre_x = 0 pre_y = 0 pre_t = 0 can = True for n in range(N): can2 = False T = abs(t[n] - pre_t) dx = abs(x[n] - pre_x) dy = ...
N = int(eval(input())) All = [list(map(int, input().split())) for _ in range(N)] pre_x = 0 pre_y = 0 pre_t = 0 can = True for n in range(N): can2 = False T = All[n][0] - pre_t d = abs(All[n][1] - pre_x) + abs(All[n][2] - pre_y) # print(T, d) if d <= T and T % 2 == d % 2: can2 ...
p03457
N=int(eval(input())) T=[list(map(int,input().split())) for i in range(N)] for i in range(N): t=T[i][0] j=T[i][1]+T[i][2] if t<j or (t+j)%2: print("No") exit() print("Yes")
N=int(eval(input())) for i in range(N): t,x,y=list(map(int, input().split())) j=x+y if t<j or (t+j)%2: print("No") exit() print("Yes")
p03457
#入力受け取り n = int(eval(input())) tourList = [] for i in range(n): array = list(map(int, input().strip().split())) tourList.append(array) #DebugPrint currentTime = 0 currentX = 0 currentY = 0 loop=0 for i in range(len(tourList)) : Time = tourList[i][0] X = tourList[i][1] Y = tou...
#入力受け取り n = int(eval(input())) tourList = [] for i in range(n): array = list(map(int, input().strip().split())) tourList.append(array) #DebugPrint currentTime = 0 currentX = 0 currentY = 0 for i in range(len(tourList)) : Time = tourList[i][0] X = tourList[i][1] Y = tourList[i][2] ...
p03457
import unittest def is_ある時刻での判定(t, d): # 時刻t >= d でないと実現不可能 if t < d: return True # 偶奇が一致しないと実現不可能 if not (t % 2 == d % 2): return True return False def can_not_realize(N, t_list, x_list, y_list) -> bool: # 各時刻ごとの判定 for t, x, y in zip(t_list, x_list, y_...
def can_not_realize(N, t_list, x_list, y_list) -> bool: # t_n と t_n+1 間 での移動判定 for i in range(N): diff_t = t_list[i + 1] - t_list[i] diff_x = abs(x_list[i + 1] - x_list[i]) diff_y = abs(y_list[i + 1] - y_list[i]) sum_of_moving = diff_x + diff_y # 時刻t >= sum_of_...
p03457
n=int(eval(input())) nowx, nowy, nowt = 0, 0, 0 for i in range(n): t,x,y = list(map(int,input().split())) k = t-nowt-abs(nowx-x)-abs(nowy-y) if k >= 0 and k % 2 == 0: nowx, nowy, nowt = x, y, t else: print("No") exit() print("Yes")
n = int(eval(input())) t = 0 x = 0 y = 0 for _ in range(n): nt, nx, ny = list(map(int,input().split())) sa = nt-t t = nt kyori = abs(nx-x) + abs(ny-y) x = nx y = ny if kyori > sa or (sa-kyori) % 2 == 1: print("No") exit() print("Yes")
p03457
def is_reachable(dept, dest): distance = abs(dest[1] - dept[1]) + abs(dest[2] - dept[2]) time = dest[0] - dept[0] if (time - distance >= 0) and ((time - distance) % 2 == 0): return True else: return False N = int(eval(input())) itin = [(0, 0, 0)] itin_append = itin.append f...
import sys N = int(eval(input())) t, x, y = 0, 0, 0 ans = 'No' for s in sys.stdin.readlines(): nt, nx, ny = list(map(int, s.split())) T = nt - t D = abs(nx - x) + abs(ny - y) if T < D or T % 2 != D % 2: break t, x, y = nt, nx, ny else: ans = 'Yes' print(ans)
p03457
n = int(eval(input())) points = [] for i in range(n): points.append(list(map(int, input().split(" ")))) t_pre, x_pre, y_pre = 0, 0, 0 reachable = True for point in points: t, x, y = list(map(int, point)) diff_t = t - t_pre p = x + y p_pre = x_pre + y_pre move = 0 for _ in range...
n = int(eval(input())) t = [0] x = [0] y = [0] for _ in range(n): t_tmp, x_tmp, y_tmp = list(map(int, input().split(" "))) t.append(t_tmp) x.append(x_tmp) y.append(y_tmp) reachable = True for j in range(1, n + 1): dt = t[j] - t[j - 1] dist = abs(x[j] - x[j - 1]) + abs(y[j] - y[j - ...
p03457
# coding: utf-8 import math n = int(eval(input())) t = 0 x = 0 y = 0 txy = [] for i in range(n): ti, xi, yi = list(map(int, input().split())) txy.append((ti, xi, yi)) for ti, xi, yi in txy: if abs(xi - x) + abs(yi - y) > abs(ti - t): print("No") exit() elif (abs(xi - x) +...
# coding: utf-8 import math n = int(eval(input())) t = 0 x = 0 y = 0 # txy = [] # for i in range(n): # ti, xi, yi = list(map(int, input().split())) # txy.append((ti, xi, yi)) for i in range(n): ti, xi, yi = list(map(int, input().split())) if abs(xi - x) + abs(yi - y) > abs(ti - t): ...
p03457
N = int(eval(input())) TXY = [tuple(map(int,input().split())) for i in range(N)] ct = cx = cy = 0 for t,x,y in TXY: dt = t-ct d = abs(cx-x)+abs(cy-y) if dt < d or dt%2 != d%2: print('No') exit() ct,cx,cy = t,x,y print('Yes')
N = int(eval(input())) TXY = [tuple(map(int,input().split())) for i in range(N)] ct = cx = cy = 0 for t,x,y in TXY: d = abs(cx-x) + abs(cy-y) if d > t-ct or d%2 != (t-ct)%2: print('No') exit() ct,cx,cy = t,x,y print('Yes')
p03457
def validation(l1, l2): dif_t = abs(l2[0] - l1[0]) dif_x = abs(l2[1] - l1[1]) dif_y = l2[2] - l1[2] if dif_x + dif_y > dif_t: return False elif dif_t % 2 == 0: if (dif_x + dif_y) % 2 != 0: return False else: return True elif dif_t % 2 != 0: if (dif_x + dif_y) % 2 ==...
n = int(eval(input())) current_time = 0 current_pos = 0 ans = True for _ in range(n): t, x, y = list(map(int, input().split())) time_dif = t - current_time # 3 pos_dif = (x+y) - current_pos # 3 if time_dif % 2 == 1 and pos_dif % 2 == 1 and pos_dif <= time_dif: current_time += time_dif ...
p03457
from sys import stdin input = stdin.readline N = int(eval(input())) txy = [[int(j) for j in input().split()] for i in range(N)] def main(): pt = 0 px = 0 py = 0 flg = False for t, x, y in txy: # 到達 あるいは 通過 if abs(x - px) + abs(y - py) <= t - pt: ...
from sys import stdin input = stdin.readline N = int(eval(input())) txy = [[int(j) for j in input().split()] for i in range(N)] def main(): pt = 0 px = 0 py = 0 flg = False for t, x, y in txy: d = abs(x - px) + abs(y - py) dt = t - pt # 到達 あるいは 通過 ...
p03457
from sys import stdin input = stdin.readline N = int(eval(input())) txy = [[int(j) for j in input().split()] for i in range(N)] def main(): pt = 0 px = 0 py = 0 flg = False for t, x, y in txy: dt = t - pt - abs(x - px) - abs(y - py) # 余った時間が奇数 戻れない i...
from sys import stdin input = stdin.readline lines = stdin.readlines N = int(eval(input())) txy = ((list(map(int, line.split()))) for line in lines()) def main(): pt = 0 px = 0 py = 0 flg = False for t, x, y in txy: dt = t - pt - abs(x - px) - abs(y - py) # ...
p03457
N = int(eval(input())) t,x,y = 0,0,0 for i in range(N): T,X,Y = list(map(int,input().split())) d = abs(x-X)+abs(y-Y) if (T-t)-d >= 0 and ((T-t)-d)%2 == 0: t,x,y = T,X,Y continue else: print('No') exit() print('Yes')
import sys input = sys.stdin.readline N = int(eval(input())) t,x,y = 0,0,0 for i in range(N): T,X,Y = list(map(int,input().split())) d = abs(x-X)+abs(y-Y) if (T-t)-d >= 0 and ((T-t)-d)%2 == 0: t,x,y = T,X,Y continue else: print('No') exit() print('Yes')
p03457
n = int(eval(input())) TXY = [[0,0,0]] + [list(map(int, input().split())) for _ in range(n)] diff = [[t2 - t1, abs(x2 - x1), abs(y2 - y1)] for (t1, x1, y1), (t2, x2, y2) in zip(TXY, TXY[1:])] for t, x, y in diff: if x + y > t or (t - (x + y)) % 2 == 1: print("No") exit() print("Yes")
n = int(eval(input())) TXY = [[0,0,0]] + [list(map(int, input().split())) for _ in range(n)] diff = [[t2 - t1, abs(x2 - x1), abs(y2 - y1)] for (t1, x1, y1), (t2, x2, y2) in zip(TXY, TXY[1:])] if all([x + y <= t and (t - (x + y)) % 2 == 0 for t, x, y in diff]): print("Yes") else: print("No")
p03457
r = 1 t = 0 m = 0 N = int(eval(input())) txy = [] for i in range(N): txy.append([int(x) for x in input().split()]) for i in txy: t = i[0] - t m = abs((i[1] + i[2]) - m) if i[0] % 2 == 0: if (i[1] + i[2]) % 2 != 0: print("No") break elif...
r = 1 t = 0 m = 0 N = int(eval(input())) txy = [] for i in range(N): txy.append([int(x) for x in input().split()]) for i in txy: t = i[0] - t m = abs((i[1] + i[2]) - m) if t < m: print("No") break elif (t - m) % 2 != 0: print("No") break ...
p03457
import sys default_x = 0 default_y = 0 n = int(eval(input())) a = [] #標準入力をN分読み込み for i in range(n): a.append(list(map(int,input().split()))) times = 0 for i in range(n): for j in range(a[i][0]+times): if default_x < a[i][1]: default_x += 1 elif default_x >...
n = int(eval(input())) travel = list() #start point travel.append((0,0,0)) for i in range(n): travel.append(tuple(map(int,input().split()))) for j in range(n): dist = abs(travel[j][0]-travel[j+1][0]) dd = abs(travel[j][1]-travel[j+1][1])+abs(travel[j][2]-travel[j+1][2]) #fail if dist < d...
p03457
import sys N = int(sys.stdin.readline()) TXY = [ tuple(map(int, sys.stdin.readline().split())) for _ in range(N) ] def check(st, sx, sy, et, ex, ey): if abs(sx - ex) + abs(sy - ey) > et - st: return False points = [(sx, sy)] for _ in range(et - st): new_points = set() ...
import sys N = int(sys.stdin.readline()) TXY = [ tuple(map(int, sys.stdin.readline().split())) for _ in range(N) ] def check(st, sx, sy, et, ex, ey): timespan = et - st diff = abs(sx - ex) + abs(sy - ey) if diff > timespan: return False if (timespan - diff) % 2 == 0: r...
p03457
n = int(eval(input())) a0 = [0,0,0] ans = "Yes" for i in range(n): ai = list(map(int,input().split())) t = ai[0] - a0[0] d = abs(ai[1] - a0[1])+ abs(ai[2] - a0[2]) if t < d or t%2 != d%2: ans = "No" a0 = ai print(ans)
n = int(eval(input())) t0,x0,y0 = 0,0,0 for i in range(n): t,x,y = list(map(int, input().split())) if abs(t0-t)%2 != (abs(x0-x)+abs(y0-y))%2 or (abs(x0-x)+abs(y0-y)) > abs(t0-t): print("No") exit() t0,x0,y0, = t,x,y else: print("Yes")
p03457
N=int(eval(input())) txy=[list(map(int,input().split())) for i in range(N)] ans=0 for i in range(N): t,x,y=txy[i][0],txy[i][1],txy[i][2] if x+y<=t and t%2==(x+y)%2:ans+=1 print(("Yes" if ans==N else "No"))
n = int(eval(input())) txy = [list(map(int, input().split())) for _ in range(n)] for i in range(n): t, x, y = txy[i] if x + y > t or (t - x - y) % 2: print("No") exit() print("Yes")
p03457
def difference(two_lists): return [abs(two_lists[1][i] - two_lists[0][i]) for i in range(3)] n = int(eval(input())) txy = [[0, 0, 0]] + [list(map(int, input().split())) for _ in range(n)] dtxy = list(map(difference, list(zip(txy, txy[1:])))) for i in range(n): dt, dx, dy = dtxy[i] if dx + dy...
n = int(eval(input())) for _ in range(n): t, x, y = list(map(int, input().split())) if x + y > t or (t - x - y) % 2: print("No") exit() print("Yes")
p03457
n = int(eval(input())) pretime, prex, prey = 0, 0, 0 for i in range(n): nowtime, nowx, nowy = list(map(int, input().split())) time = nowtime - pretime x = abs(nowx - prex) y = abs(nowy - prey) if x+y > time: print("No") exit() if (x+y) % 2 != time % 2: print("N...
n = int(eval(input())) for i in range(n): t,x,y=list(map(int,input().split())) if(not((x+y)<=t and (x+y)%2 == t%2)): print("No") exit() print("Yes")
p03457
n=int(eval(input())) t,x,y=[0],[0],[0] for i in range(n): T,X,Y=list(map(int,input().split())) t.append(T) x.append(X) y.append(Y) #print(t,x,y) for i in range(n): time=t[i+1]-t[i] dx=abs(x[i+1]-x[i]) dy=abs(y[i+1]-y[i]) if time<dx+dy or (time+dx+dy)%2!=0: print('N...
n=int(eval(input())) t,x,y=[],[],[] for i in range(n): a,b,c=list(map(int,input().split())) t.append(a) x.append(b) y.append(c) current=[0,0] for i in range(n): next=[x[i]-current[0],y[i]-current[1]] if abs(sum(next))>t[i] or (abs(sum(next))+t[i])%2!=0: print('No') ...
p03457
N = int(eval(input())) D = [input().split() for i in range(N)] DD = [] for i in range(N): DD.append([int(D[i][0]),int(D[i][1]),int(D[i][2])]) diff = [[0,0,0],[DD[0][0]-0,DD[0][1]-0,DD[0][2]-0]] for i in range(N-1): diff.append([DD[i+1][0]-DD[i][0],DD[i+1][1]-DD[i][1],DD[i+1][2]-DD[i][2]]) def ...
N = int(eval(input())) for _ in range(N): t, x, y = list(map(int, input().split())) if x + y > t or (t + x + y)%2 != 0: print("No") quit() print("Yes")
p03457
N=int(eval(input())) clear_flag=0 tmp=0 tmp_x=0 tmp_y=0 for i in range(N): txy=list(map(int,input().split())) x=0 y=0 next_flag=0 for x_plus in range(txy[0]-tmp+1): if next_flag==1: break for x_minus in range(txy[0]-tmp+1-x_plus): if next_flag==1: break for ...
N=int(eval(input())) clear_flag=0 for i in range(N): txy=list(map(int,input().split())) if txy[0]>=(txy[1]+txy[2]) and (txy[0]+txy[1]+txy[2])%2==0: clear_flag+=1 else: break if clear_flag==N: print("Yes") else: print("No")
p03457
N = int(eval(input())) x = [list(map(int, input().split())) for i in range(N)] cnt = 0 sum = 0 flag = 0 T = X = Y = 0 for i in range(N): cnt = x[i][0] - T sum = abs(x[i][1]- X) + abs(x[i][2]- Y) T = x[i][0] X = x[i][1] Y = x[i][2] if cnt < sum or cnt % 2 != sum % 2: flag = 1...
N = int(eval(input())) x = [list(map(int, input().split())) for i in range(N)] cnt = 0 sum = 0 flag = 0 for i in range(N): if i == 0: cnt = x[i][0] sum = x[i][1] + x[i][2] else: cnt = x[i][0] - x[i-1][0] sum = abs(x[i][1]-x[i-1][1]) + abs(x[i][2]-x[i-1][2]) if cnt...
p03457
# -*- coding: utf-8 -*- option = {(0, 0)} def main(): global option last_list = [0, 0, 0] N = int(eval(input())) for i in range(N): this_list = list(map(int, input().split())) add_option(this_list[0] - last_list[0], (this_list[1], this_list[2])) if (this_list[1], t...
# -*- coding: utf-8 -*- judge = 'Yes' N = int(eval(input())) for i in range(N): t, x, y = list(map(int, input().split())) if t < (x + y) or t % 2 != (x + y) % 2: judge = 'No' print(judge)
p03457
n = int(eval(input())) for i in range(n): t, x, y = list(map(int, input().split())) if x + y > t or (x + y) % 2 != t % 2: print('No') exit() print("Yes")
n = int(eval(input())) for i in range(n): t, x, y = list(map(int, input().split())) if t < x + y or t % 2 != (x + y) % 2: print("No") exit() print("Yes")
p03457
n = int(input()) txy = [list(map(int, input().split())) for i in range(n)] loc_x=0 loc_y=0 judge=0 for i in range(n): if txy[i][0]%2==0: if (txy[i][1]+txy[i][2])%2!=0: judge+=1 elif (txy[i][1]+txy[i][2])%2==0: judge+=1 temp = abs(loc_x-txy[i][1])+abs(loc_y-txy[i][2]) ...
n = int(input()) txy = [list(map(int, input().split())) for i in range(n)] loc_x=0 loc_y=0 judge=0 for i in range(n): if judge!=0: break if txy[i][0]%2==0: if (txy[i][1]+txy[i][2])%2!=0: judge+=1 elif (txy[i][1]+txy[i][2])%2==0: judge+=1 temp = abs(loc_x-...
p03457
N=int(eval(input())) t0=0 x0=0 y0=0 for i in range(N): t,x,y=list(map(int,input().split())) d=abs(x-x0)+abs(y-y0) if d>t-t0: print("No") exit() else: if ((t-t0)-d)%2!=0: print("No") exit() t0=t x0=x y0=y print("Yes")
N=int(eval(input())) t0=0 x0=0 y0=0 ans="Yes" for i in range(N): t,x,y=list(map(int,input().split())) d=abs(x-x0)+abs(y-y0) dt=t-t0 if d>dt: ans="No" else: if (dt-d)%2!=0: ans="No" t0=t x0=x y0=y print(ans)
p03457
def c_Traveling(N, P): t_old = x_old = y_old = 0 for t, x, y in P: t1 = t - t_old x1 = x - x_old y1 = y - y_old cond1 = abs(x1) + abs(y1) cond2 = t1 % 2 cond3 = cond1 % 2 if t1 >= cond1 and cond2 == cond3: pass else: ...
def c_traveling(N, P): t = x = y = 0 # 初期時刻には原点にいる for t_next, x_next, y_next in P: dt = t_next - t dd = abs(x_next - x) + abs(y_next - y) if dt >= dd and dt % 2 == dd % 2: # 制限時間は次の座標へのマンハッタン距離以上持っていないとたどり着けない # 制限時間と距離の偶奇が一致していないと次の座標で止まることができない ...
p03457
import sys input = sys.stdin.readline class Deer: def __init__(self): self.x = 0 self.y = 0 self.t = 0 def move(self, ti, xi, yi): time_interval = ti - self.t manhattan_distance = abs(xi - self.x) + abs(yi - self.y) val = time_interval - manhattan_di...
import sys input = sys.stdin.readline N = int(eval(input())) flag = True for _ in range(N): t, x, y = list(map(int, input().split())) if (t < x + y) or (x + y + t) % 2: flag = False if flag: print('Yes') else: print('No')
p03457
import sys N = int(eval(input())) t, x, y = 0, 0, 0 for i in range(N): in_t, in_x, in_y = list(map(int, input().split())) t = in_t - t x = abs(in_x - x) y = abs(in_y - y) if (t >= x + y) & ((t - (x + y)) % 2 == 0): continue print('No') sys.exit() print('Yes')
import sys N = int(eval(input())) for _ in range(N): t, x, y = list(map(int, input().split())) if (t >= x + y) & ((t - (x + y)) % 2 == 0): continue print('No') sys.exit() print('Yes')
p03457
n = int(eval(input())) info = [list(map(int, input().split())) for i in range(n)] info.insert(0, [0, 0, 0]) x_diff, y_diff = 0, 0 for i in range(n): dt = info[i+1][0] - info[i][0] x_diff = abs(info[i+1][1] - info[i][1]) y_diff = abs(info[i+1][2] - info[i][2]) if dt < x_diff + y_diff: ...
n = int(eval(input())) for i in range(n): t,x,y=list(map(int,input().split())) if (x + y) > t or (x + y + t) % 2: print("No") exit() print("Yes")
p03457
N = int(eval(input())) T = [[0, 0]] for _ in range(N): t, x, y = list(map(int, input().split())) T.append((t, x + y)) for i in range(N): dt = T[i+1][0] - T[i][0] dxy = abs(T[i+1][1] - T[i][1]) if dt < dxy or dt % 2 != dxy % 2: print("No") break else: print("Yes")
T = [[0, 0]] for i in range(int(eval(input()))): t, x, y = list(map(int, input().split())) T.append((t, x + y)) dt = T[i+1][0] - T[i][0] dxy = abs(T[i+1][1] - T[i][1]) if dt < dxy or dt % 2 != dxy % 2: print("No") break else: print("Yes")
p03457
import math import sys n = int(eval(input())) for i in range(n): t,x,y = list(map(int, input().split())) d = abs(x)+abs(y) if d > t or (d - t) % 2 != 0: print('No') exit() print('Yes')
import math import sys n = int(eval(input())) for i in range(n): t,x,y = list(map(int, sys.stdin.readline().split())) d = abs(x)+abs(y) if d > t or (d - t) % 2 != 0: print('No') exit() print('Yes')
p03457
N = int(eval(input())) now_x = 0 now_y = 0 now_t = 0 Flag = False for i in range(N): t , x, y = list(map(int,input().split())) dx = abs(x - now_x) dy = abs(y - now_y) dt = abs(t - now_t) if (dt - (dx + dy)) % 2 != 0 or dt < (dx + dy): Flag = True now_x = x now_y = y ...
N = int(eval(input())) now_t, now_x, now_y = 0, 0, 0 for i in range(N): next_t, next_x, next_y = list(map(int, input().split())) distance = abs(next_x - now_x) + abs(next_y - now_y) spent_time = next_t - now_t if spent_time < distance or distance % 2 != spent_time % 2: print('No') ...
p03457
n = int(eval(input())) t = 0 x = 0 y = 0 judge = True for i in range(n): t1, x1, y1 = list(map(int, input().split())) if (abs(x1 - x) + abs(y1 - y))/(t1 - t) > 1 or (abs(x1 - x) + abs(y1 - y))%2 != (t1 - t)%2: judge = False x = x1 y = y1 t = t1 if judge == True: print("Y...
import sys input = sys.stdin.readline n = int(eval(input())) t = 0 x = 0 y = 0 judge = True for i in range(n): t1, x1, y1 = list(map(int, input().split())) if (abs(x1 - x) + abs(y1 - y))/(t1 - t) > 1 or (abs(x1 - x) + abs(y1 - y))%2 != (t1 - t)%2: judge = False x = x1 y = y1 ...
p03457
import sys input = sys.stdin.readline n = int(eval(input())) t = 0 x = 0 y = 0 judge = True l = [list(map(int, input().split())) for _ in range(n)] for t1, x1, y1 in l: if (abs(x1 - x) + abs(y1 - y))/(t1 - t) > 1 or (abs(x1 - x) + abs(y1 - y))%2 != (t1 - t)%2: print("No") exit() ...
import sys input = sys.stdin.readline n = int(eval(input())) t = 0 x = 0 y = 0 judge = True l = [tuple(map(int, input().split())) for _ in range(n)] for t1, x1, y1 in l: if (abs(x1 - x) + abs(y1 - y))/(t1 - t) > 1 or (abs(x1 - x) + abs(y1 - y))%2 != (t1 - t)%2: print("No") exit() ...
p03457
import sys input = sys.stdin.readline n = int(eval(input())) t = 0 x = 0 y = 0 l = [tuple(map(int, input().split())) for _ in range(n)] for t1, x1, y1 in l: if (abs(x1 - x) + abs(y1 - y))/(t1 - t) > 1: print("No") exit() if (abs(x1 - x) + abs(y1 - y))%2 != (t1 - t)%2: p...
import sys input = sys.stdin.readline def main(): n = int(eval(input())) t = 0 x = 0 y = 0 l = [tuple(map(int, input().split())) for _ in range(n)] for t1, x1, y1 in l: if (abs(x1 - x) + abs(y1 - y))/(t1 - t) > 1: print("No") exit() if (a...
p03457
n=int(input()) txy=[] for _ in range(n): t,x,y=map(int, input().split()) txy.append((t,x,y)) def isOk(txy): now_pos=0 now_t=0 for t,x,y in txy: move=x+y-now_pos time=t-now_t if time>=move and time%2==move%2: continue else: ret...
import sys input = sys.stdin.buffer.readline sys.setrecursionlimit(10 ** 7) N = int(eval(input())) TXY = [list(map(int, input().split())) for _ in range(N)] nx, ny = 0, 0 time = 0 ans = "Yes" for i in range(N): t, x, y = TXY[i] dt = t - time move = abs(nx - x) + abs(ny - y) if move > d...
p03457
def solve(): def measurement(a, b, w): a_root = root[a] b_root = root[b] if a_root != b_root: a_member = member[a_root] b_member = member[b_root] offset = w - (weight[b] - weight[a]) if len(a_member) > len(b_member): a_...
def solve(): def measurement(a, b, w): a_root = root[a] b_root = root[b] if a_root != b_root: a_member = member[a_root] b_member = member[b_root] offset = w - (weight[b] - weight[a]) if len(a_member) > len(b_member): a_...
p00909
#!/usr/bin/python # -*- coding: utf-8 -*- import sys,collections,itertools,re,math,fractions,decimal,random,array,bisect,heapq # decimal.getcontext().prec = 50 sys.setrecursionlimit(100000) MOD = 10**9 + 7 def dijkstra(g, v_size, st): """Dijkstra method""" d = [float('inf')] * v_size d[st] = ...
#!/usr/bin/python # -*- coding: utf-8 -*- import sys,collections,itertools,re,math,fractions,decimal,random,array,bisect,heapq # decimal.getcontext().prec = 50 sys.setrecursionlimit(100000) MOD = 10**9 + 7 def dijkstra(g, v_size, st): """Dijkstra method""" d = [float('inf')] * v_size d[st] = ...
p03453
from heapq import heappush, heappop import sys #input = sys.stdin.readline INF = 10**18 mod = 10**9+7 def dijkstra(start, n, graph): route_cnt = [start] * n route_cnt[start] = 1 que = [(0, start)] dist = [INF] * n dist[start] = 0 while que: min_dist, u = heappop(que) ...
from heapq import heappush, heappop import sys input = sys.stdin.readline INF = 10**18 mod = 10**9+7 def dijkstra(start, n, graph): route_cnt = [start] * n route_cnt[start] = 1 que = [(0, start)] dist = [INF] * n dist[start] = 0 while que: min_dist, u = heappop(que) ...
p03453
from collections import defaultdict from functools import reduce import heapq as hq from sys import stdin MOD = 10**9+7 N,M = list(map(int,stdin.readline().split())) S,T = list(map(int,stdin.readline().split())) S,T = S-1,T-1 E = defaultdict(list) lines = stdin.readlines() for line in lines: u,v,d = ...
from functools import reduce import heapq as hq from sys import stdin MOD = 10**9+7 N,M = list(map(int,stdin.readline().split())) S,T = list(map(int,stdin.readline().split())) S,T = S-1,T-1 inf = float('inf') E = [[] for _ in range(N)] lines = stdin.readlines() for line in lines: u,v,d = list(map(i...
p03453
from collections import defaultdict from heapq import heappop, heappush import sys sys.setrecursionlimit(200000) MOD, INF = 1000000007, float('inf') def get_patterns_func(s, ancestors): cache = {s: 1} def get_patterns(v): if v in cache: return cache[v] return sum(ge...
from heapq import heappop, heappush import sys MOD, INF = 1000000007, float('inf') def solve(s, t, links): q = [(0, 0, s, -1, 0), (0, 0, t, -1, 1)] visited_fwd, visited_bwd = [INF] * n, [INF] * n patterns_fwd, patterns_bwd = [0] * (n + 1), [0] * (n + 1) patterns_fwd[-1] = patterns_bwd[-1] =...
p03453
from heapq import * from collections import defaultdict import sys sys.setrecursionlimit(10 ** 6) input = sys.stdin.readline int1 = lambda x: int(x) - 1 p2D = lambda x: print(*x, sep="\n") def main(): md = 10 ** 9 + 7 inf = 10 ** 15 to = defaultdict(list) n, m = map(int, input().split()) ...
import sys sys.setrecursionlimit(10 ** 6) int1 = lambda x: int(x) - 1 p2D = lambda x: print(*x, sep="\n") def II(): return int(sys.stdin.readline()) def MI(): return map(int, sys.stdin.readline().split()) def MI1(): return map(int1, sys.stdin.readline().split()) def LI(): return list(map(int, sys.stdin.readlin...
p03453
import sys readline = sys.stdin.readline from heapq import heappop as hpp, heappush as hp def dijkstra(N, s, Edge): inf = geta dist = [inf] * N dist[s] = 0 Q = [s] dp = [0]*N dp[s] = 1 while Q: k = hpp(Q) dn, vn = divmod(k, geta) if dn > dist[vn]: ...
import sys readline = sys.stdin.readline from heapq import heappop as hpp, heappush as hp def dijkstra(N, s, Edge): inf = geta dist = [inf] * N dist[s] = 0 Q = [(0, s)] dp = [0]*N dp[s] = 1 while Q: dn, vn = hpp(Q) if dn > dist[vn]: continue ...
p03453
mod=10**9+7 class Dijkstra(): """ ダイクストラ法 重み付きグラフにおける単一始点最短路アルゴリズム * 使用条件 - 負のコストがないこと - 有向グラフ、無向グラフともにOK * 計算量はO(E*log(V)) * ベルマンフォード法より高速なので、負のコストがないならばこちらを使うとよい """ class Edge(): """ 重み付き有向辺 """ def __init__(self, _to, _cost): ...
mod=10**9+7 class Dijkstra(): """ ダイクストラ法 重み付きグラフにおける単一始点最短路アルゴリズム * 使用条件 - 負のコストがないこと - 有向グラフ、無向グラフともにOK * 計算量はO(E*log(V)) * ベルマンフォード法より高速なので、負のコストがないならばこちらを使うとよい """ class Edge(): """ 重み付き有向辺 """ def __init__(self, _to, _cost): ...
p03453
from collections import defaultdict, deque, Counter from heapq import heappush, heappop, heapify import math import bisect import random from itertools import permutations, accumulate, combinations, product import sys import string from bisect import bisect_left, bisect_right from math import factorial, ceil, ...
from collections import defaultdict, deque, Counter from heapq import heappush, heappop, heapify import math import bisect import random from itertools import permutations, accumulate, combinations, product import sys import string from bisect import bisect_left, bisect_right from math import factorial, ceil, ...
p03453
# ARC090E import sys input = lambda : sys.stdin.readline().rstrip() sys.setrecursionlimit(max(1000, 10**9)) n, m = list(map(int, input().split())) s, t = list(map(int, input().split())) s -= 1 t -= 1 from collections import defaultdict ns = defaultdict(set) ds = [None] * m es = {} for i in range(m)...
# ARC090E def hoge(): M = 10**9 + 7 import sys input = lambda : sys.stdin.readline().rstrip() n, m = list(map(int, input().split())) s, t = list(map(int, input().split())) s -= 1 t -= 1 from collections import defaultdict ns = defaultdict(set) for i in range(m): ...
p03453
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)] def LI(): return [int(x) for x in s...
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)] def LI(): return [int(x) for x in s...
p03453
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)] def LI(): return [int(x) for x in s...
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)] def LI(): return [int(x) for x in s...
p03453
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)] def LI(): return [int(x) for x in s...
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)] def LI(): return [int(x) for x in s...
p03453
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)] def LI(): return [int(x) for x in s...
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)] def LI(): return [int(x) for x in s...
p03453
import heapq def dijkstra(start: int, graph: list) -> list: """dijkstra法: 始点startから各頂点への最短距離を求める 計算量: O((E+V)logV) """ INF = 10 ** 18 MOD = 10 ** 9 + 7 n = len(graph) dist = [INF] * n ptn = [0] * n dist[start] = 0 ptn[start] = 1 q = [(0, start)] # q = [(star...
import heapq import sys input = sys.stdin.buffer.readline def dijkstra(start: int, graph: list) -> list: """dijkstra法: 始点startから各頂点への最短距離を求める 計算量: O((E+V)logV) """ INF = 10 ** 18 MOD = 10 ** 9 + 7 n = len(graph) dist = [INF] * n ptn = [0] * n dist[start] = 0 ptn[s...
p03453
# 写経 # https://atcoder.jp/contests/agc011/submissions/1157055 class UnionFind: def __init__(self, n): self.v = [-1 for _ in range(n)] def find(self, x): if self.v[x] < 0: return x else: self.v[x] = self.find(self.v[x]) return self.v[x] ...
''' 写経 https://youtu.be/cJ-WjtA34GQ?t=1899 https://atcoder.jp/contests/agc011/submissions/1157055 http://noshi91.hatenablog.com/entry/2018/04/17/183132 https://camypaper.bitbucket.io/2016/12/18/adc2016/ ''' class UnionFind: def __init__(self, n): self.v = [-1 for _ in range(n)] # 根(負): 連結頂点数 *...
p03787
import queue n,m=list(map(int,input().split())) vis,ci,cb,cc=[0]*(n+1),0,0,0 g=[[] for i in range(n+1)] def dfs(x): stk,flag=queue.LifoQueue(),True stk.put((x,1)) while not stk.empty(): u,col=stk.get() if vis[u]: flag&=(vis[u]==col) continue vis[u]=col for i in g[u]: stk.put((i,3-col))...
n,m=list(map(int,input().split())) vis,ci,cb,cc=[0]*(n+1),0,0,0 g=[[] for i in range(n+1)] for i in range(m): u,v=list(map(int,input().split())) g[u]+=[v] g[v]+=[u] for i in range(1,n+1): if vis[i]==0: if len(g[i])==0: ci+=1 else: s,f=[(i,1)],True while len(s): u,col=s.pop() if...
p03787
print((2*input().count('+')-4))
import sys read = sys.stdin.buffer.read readline = sys.stdin.buffer.readline readlines = sys.stdin.buffer.readlines S = read().rstrip().decode('utf-8') answer = 4-2*S.count('-') print(answer)
p03315
import sys def LS2(): return list(sys.stdin.readline().rstrip()) #空白なし S = LS2() a = S.count('+') b = S.count('-') print((a-b))
import sys sys.setrecursionlimit(10**7) def I(): return int(sys.stdin.readline().rstrip()) def MI(): return list(map(int,sys.stdin.readline().rstrip().split())) def LI(): return list(map(int,sys.stdin.readline().rstrip().split())) #空白あり def LI2(): return list(map(int,sys.stdin.readline().rstrip())) #空白なし def ...
p03315
print((-4+2*input().count('+')))
print((2*input().count('+')-4))
p03315
from bisect import bisect_left as bl def search_left(in_ind, alst, outs, doors): tmp = bl(outs, in_ind) if tmp == 0: return 0 out_ind = outs[tmp - 1] right_door = bl(doors, in_ind) - 1 if right_door < 0: return alst[in_ind] left_door = bl(doors, out_ind) ret = alst[in_ind] for...
w = int(eval(input())) alst = list(map(int, input().split())) INF = 10 ** 20 acc = -INF left = [] for i in range(w): a = alst[i] if a == 0: acc = INF elif a > 0: acc -= 1 elif a < 0: acc = min(acc - 1, -a) left.append(acc) acc = -INF right = [] for i in range(w): a = alst[w - ...
p01713
from queue import PriorityQueue class State: def __init__(self,index,time): self.index=index self.time=time def __lt__(self,state): return self.time>state.time while 1: try: n=int(eval(input())) except: break a=list(map(int,input().split())) ts=[float("inf")]*n vis=[False]*...
n=int(eval(input())) a=list(map(int,input().split())) ts=[0]*n for indices in list(range(n)),reversed(list(range(n))): t=0 for i in indices: if a[i]==0: t=float("inf") if a[i]<0: t=min(t,-a[i]) if a[i]>0: ts[i]=max(ts[i],min(a[i],t)) t-=1 print((sum(ts)))
p01713
N = int(eval(input())) A = list(map(int, input().split())) x = [] y = [] P = sorted((a for a in A if a >= 0), reverse=True) Q = sorted(a for a in A if a < 0) if not Q: M = sum(P[:-2]) + (P[-2] - P[-1]) for _ in range(N - 2): X = P.pop() Y = P.pop() x.append(X) y.app...
# 入力 N = int(eval(input())) A = list(map(int, input().split())) # 正-負をなるべく多く達成するように操作する P = sorted((a for a in A if a >= 0), reverse=True) Q = sorted(a for a in A if a < 0) x, y = [], [] if len(P) == 2 and not Q: Y, X = P.pop(), P.pop() x.append(X) y.append(Y) P.append(X - Y) if len(P) >...
p03007
from collections import deque N = int(eval(input())) A = (list(map(int, input().split()))) A = sorted(A) A = deque(A) l = [] for i in range(N - 1): if i == N - 2: ans = A[1] - A[0] l.append("{} {}".format(A[1], A[0])) elif i == N - 3: left = A.popleft() right = A.pop(...
N = int(eval(input())) A = list(map(int, input().split())) A = sorted(A) leftest_val = A[0] rightest_val = A[-1] left_idx = 1 right_idx = N - 2 history = [] for i in range(N - 1): left_val = A[left_idx] right_val = A[right_idx] if i == N - 2: history.append("{} {}".format(rightest_val,...
p03007
S = input()[::-1] word = ['dream'[::-1], 'dreamer'[::-1], 'erase'[::-1], 'eraser'[::-1]] judge = [True, True, True, True] count = 0 while any(judge): for i in range(len(word)): if S[:len(word[i])] == word[i]: S = S[len(word[i]):] else: count += 1 if S == '': print('YES') ...
a,b,c,d=[i[::-1] for i in ['dream','dreamer','erase','eraser']] s,j=input()[::-1],True while j: j=False for i in [a,b,c,d]: if s.startswith(i): s=s[len(i):];j=True print(('YNEOS'[len(s)>0::2]))
p03854
#!/usr/bin/env python3 import sys YES = "YES" # type: str NO = "NO" # type: str def solve(S: str): while len(S)>4: if S[:11]=="dreameraser": S=S[11:] elif S[:10] == "dreamerase": S= S[10:] elif S[:6]=="eraser": S= S[6:] elif S[:5]...
#!/usr/bin/env python3 import sys YES = "YES" # type: str NO = "NO" # type: str def solve(S: str): S = S[::-1] while len(S)>4: if S[:6]=="resare": S= S[6:] elif S[:5] == "esare" or S[:5]== "maerd": S=S[5:] elif S[:7] == "remaerd": S=S...
p03854
S = input()[::-1] day_dream_word = ["dreamer", "dream", "eraser", "erase"] day_dream_word = list([s[::-1] for s in day_dream_word]) T = "" res = False partial_res = True while not res and partial_res: partial_res = False for add_word in day_dream_word: nextT = T nextT += add_word if S == next...
S = input()[::-1] day_dream_word = ["dreamer", "dream", "eraser", "erase"] day_dream_word = list([s[::-1] for s in day_dream_word]) T = "" Tindex = 0 res = False partial_res = True while not res and partial_res: partial_res = False for add_word in day_dream_word: nextTindex = Tindex + len(add_word) ...
p03854
A = ["dream", "dreamer", "erase", "eraser"] for i in range(4): A[i] = A[i][::-1] S = input()[::-1] idx = 0 while idx < len(S): flag = False for i in range(4): if len(S) - idx < len(A[i]): continue else: if S[idx:idx+len(A[i])] == A[i]: fl...
A = ['dream', 'dreamer', 'erase', 'eraser'] for i in range(len(A)): A[i] = A[i][::-1] s = input()[::-1] i = 0 while True: f = True for a in A: if len(a) > len(s) - i: continue if s[i:i+len(a)] == a: i += len(a) f = False break ...
p03854
s=input().replace("eraser","").replace("erase","").replace("dreamer","").replace("dream","") print(("YES" if s=="" else "NO"))
s=input().replace("eraser","").replace("erase","").replace("dreamer","").replace("dream","") if s in "": print("YES") else: print("NO")
p03854
# coding: utf-8 """this is python work script""" CHECK_WORDS = ['dream', 'dreamer', 'erase', 'eraser'] def check_word(word, check_word_list): find_word = False # print(word, check_word_list) for i, cw in enumerate(check_word_list): find_result = word.find(cw) # print(i, cw, fin...
# coding: utf-8 """this is python work script""" def solver(word): """solve this problem""" check_result = word.replace('eraser', '').replace('erase', '').replace('dreamer', '').replace('dream', '') answer = 'YES' if check_result: answer = 'NO' return answer def main(): ...
p03854
s = input()[::-1] s = s.replace("eraser"[::-1], "") s = s.replace("erase"[::-1], "") s = s.replace("dreamer"[::-1], "") s = s.replace("dream"[::-1], "") if s == "": print("YES") else: print("NO")
s = input()[::-1] words = ["eraser","erase","dreamer","dream"] for i in words: s = s.replace(i[::-1], "") if s == "": print("YES") else: print("NO")
p03854
S = input()[::-1] devide = ['dream', 'dreamer', 'erase', 'eraser'] for i in range(4): devide[i] = devide[i] [::-1] flag = True i = 0 while i < len(S): flag2 = False for j in range(4): if devide[j] == S[i : i+len(devide[j])]: flag2 = True i += len(devide[j]) ...
S = input().replace('eraser', '').replace('erase', '').replace('dreamer', '').replace('dream', '') print(('YES' if len(S) == 0 else 'NO'))
p03854
def main(): S = input()[::-1] tar = {'maerd', 'remaerd', 'esare', 'resare'} i = 0 while i < len(S): if S[i] == 'm': if S[i:i+5] == 'maerd': i += 5 else: return print("NO") elif S[i] == 'e': if S[i:i+5] == 'esa...
def main(): S = input() S = S[::-1] ans = ["maerd", "remaerd", "esare", "resare"] while S: for a in ans: if S[:5] in ans: S = S.replace(S[:5], "", 1) break elif S[:6] in ans: S = S.replace(S[:6], "", 1) ...
p03854
S = input()[::-1] W = [] for w in ['dreamer', 'eraser', 'erase', 'dream']: W.append(w[::-1]) while 1: flg = False for w in W: if S.startswith(w): S = S[len(w):] flg = True if not flg: print('NO') exit() if not S: break print(...
S = input()[::-1] W = [] for w in ['dreamer', 'eraser', 'erase', 'dream']: W.append(w[::-1]) idx = 0 while 1: flg = False for w in W: if S.startswith(w, idx): idx += len(w) flg = True if not flg: print('NO') exit() if len(S) <= idx: ...
p03854
import sys input = sys.stdin.readline S = list(input().rstrip()) while S: if S[-1] == "m": if S[-5:] == ["d", "r", "e", "a", "m"]: S = S[:-5] else: print("NO") sys.exit() elif S[-1] == "e": if S[-5:] == ["e", "r", "a", "s", "e"]: ...
import sys input = sys.stdin.readline S = input().rstrip() while S: if S[-5:] == "dream": S = S[:-5] elif S[-5:] == "erase": S = S[:-5] elif S[-6:] == "eraser": S = S[:-6] elif S[-7:] == "dreamer": S = S[:-7] else: print("NO") sys.exit(...
p03854
import sys S=input() judge=["dream","dreamer","erase","eraser"] S_pointer=0 V=set() V.add(0) cnt=0 while cnt<len(S)/5+1: tmp=set() for i in V: for j in judge: if S[i:i+7].find(j)==0: if i+len(j)==len(S): tmp.add(i+len(j)) print("YES") sys.exit() else: tmp.add(i+...
import sys S=input() judge=["dream","dreamer","erase","eraser"] V=set() V.add(0) cnt=0 while cnt<len(S): tmp=set() for i in V: for j in judge: if S[i:i+7].find(j)==0: tmp.add(i+len(j)) if i+len(j)==len(S): print("YES") sys.exit() V=tmp cnt+=1 else: print("NO")
p03854
s=input()[::-1] p=["maerd","remaerd","resare","esare"] while True: if s[:5]==p[0]:s=s.replace(p[0],"",1) elif s[:5]==p[3]:s=s.replace(p[3],"",1) elif s[:7]==p[1]:s=s.replace(p[1],"",1) elif s[:6]==p[2]:s=s.replace(p[2],"",1) else: if s=="":print("YES");break else:print("NO");break
s=input()[::-1] p=["maerd","remaerd","resare","esare"] while True: if s[:5]==p[0]:s=s[5:] elif s[:5]==p[3]:s=s[5:] elif s[:7]==p[1]:s=s[7:] elif s[:6]==p[2]:s=s[6:] else: if s=="":print("YES");break else:print("NO");break
p03854
from re import sub dest = input().rstrip("\n") suffixes = ["dream$", "dreamer$", "erase$", "eraser$"] while True: len_before = len(dest) for suffix in suffixes: dest = sub(suffix, "", dest) if len(dest) == len_before: break print(("YES" if not dest else "NO"))
dest = input().rstrip("\n") suffixes = ["dream", "dreamer", "erase", "eraser"] cut_lens = [-5, -7, -5, -6] while True: for suffix, cut_len in zip(suffixes, cut_lens): if dest.endswith(suffix): dest = dest[:cut_len] break else: break print(("YES" if not des...
p03854
def examA(): S = SI() T = SI() N = len(S) ans = "No" for i in range(N): cur = S[i:] + S[:i] #print(cur) if cur==T: ans = "Yes" print(ans) return def examB(): H, W = LI() S = [SI()for _ in range(H)] flag = True ans = 0 ...
def examA(): S = SI() T = SI() N = len(S) ans = "No" for i in range(N): cur = S[i:] + S[:i] #print(cur) if cur==T: ans = "Yes" print(ans) return def examB(): H, W = LI() S = [SI()for _ in range(H)] flag = True ans = 0 ...
p03854
S = input().strip() cur = 0 flag = 0 while cur<len(S): if S[cur:cur+11]=="dreameraser": cur += 11 elif S[cur:cur+10]=="dreamerase": cur += 10 elif S[cur:cur+7]=="dreamer": cur += 7 elif S[cur:cur+6]=="eraser": cur += 6 elif S[cur:cur+5]=="dream" or S[cur:c...
S = input().strip() N = len(S) if N<5: print("NO") else: flag = 0 cur = N while cur>0: if cur>=7 and S[cur-7:cur]=="dreamer": cur -= 7 elif cur>=6 and S[cur-6:cur]=="eraser": cur -= 6 elif cur>=5 and S[cur-5:cur] in ["dream","erase"]: ...
p03854
S = input().strip() N = len(S) cur = 0 flag = 0 while cur<N: if S[cur:cur+5]=="dream": if cur+5==N: cur += 5 elif cur+5<N and S[cur+5]=="d": cur += 5 elif S[cur:cur+7]=="dreamer": if cur+7==N: cur += 7 elif S[cur+7]...
S = input().strip() N = len(S) cur = 0 flag = 0 while cur<N: if S[cur:cur+5]=="dream": if cur+5==N: cur += 5 elif cur+5<N and S[cur+5]=="d": cur += 5 elif S[cur:cur+7]=="dreamer": if cur+7==N: cur += 7 elif S[cur+7]...
p03854
S = input() words = ("dream", "dreamer", "erase", "eraser") for _ in range((len(S) + 4) // 5): for word in words: if S.endswith(word): S = S[: -len(word)] print("NO") if S else print("YES")
S = input() for w in ("eraser", "erase", "dreamer", "dream"): S = S.replace(w, "") print("NO") if S else print("YES")
p03854
s=input()[::-1] words=["dreamer","eraser","dream","erase"] add=0 while add!=len(s): cnt=0 for i in words: length=len(i) word=s[add:add+length][::-1] if word==i: add +=length break else:cnt +=1 if cnt==4:print("NO");exit() print("YES")
s=input()[::-1] T=["dream","dreamer","erase","eraser"] l,n=0,len(s) while l!=n: flag=0 for i in T: word=i[::-1] if s[l:l+len(word)]==word: l +=len(word) flag=1 break if flag==0:print("NO");exit() print("YES")
p03854
s=input()[::-1] T=["dream","dreamer","erase","eraser"] l,n=0,len(s) while l!=n: flag=0 for i in T: word=i[::-1] if s[l:l+len(word)]==word: l +=len(word) flag=1 break if flag==0:print("NO");exit() print("YES")
s=input()[::-1] T=["dream","dreamer","erase","eraser"] l,n=0,len(s) while l!=n: flag=0 for i in T: word=i[::-1] if s[l:l+len(word)]==word: l +=len(word) flag=1 if flag==0:print("NO");exit() print("YES")
p03854
def c_daydream(S): import re # Sを逆にしたものから該当する文字を除いていき、空文字列にできるか? s = S[::-1] dict = ['dream'[::-1], 'dreamer'[::-1], 'erase'[::-1], 'eraser'[::-1]] n = len(s) while n > 0: for d in dict: if s.startswith(d): s = re.sub('^' + d, '', s) ...
def c_daydream(S): # Sを逆にしたものから文字列を除いていき、空文字にできるか? s = S[::-1] n = len(s) while True: if n == 0: return 'YES' elif n >= 5 and s[:5] == 'maerd': s = s[5:] elif n >= 7 and s[:7] == 'remaerd': s = s[7:] elif n >= 5 and s[:5] == ...
p03854
s=input().replace("eraser","").replace("erase","").replace("dreamer","").replace("dream","") if s: print("NO") else: print("YES")
s = input().replace("eraser", "") .replace("erase", "").replace("dreamer", "").replace("dream", "") print(("NO" if s else "YES"))
p03854
import bisect import copy import heapq import sys import itertools import math import queue input = sys.stdin.readline sys.setrecursionlimit(100000) mod = 10 ** 9 + 7 def read_values(): return list(map(int, input().split())) def read_index(): return [int(x) - 1 for x in input().split()] def read_list(): r...
import bisect import copy import heapq import sys import itertools import math import queue input = sys.stdin.readline sys.setrecursionlimit(100000) mod = 10 ** 9 + 7 def read_values(): return list(map(int, input().split())) def read_index(): return [int(x) - 1 for x in input().split()] def read_list(): r...
p02716
import sys sys.setrecursionlimit(2*1000000) N = int(eval(input())) A = list(map(int, input().split(" "))) dp_dict = {} inf = -1*1000000000 def dp(i, j): if j == 1: return A[i] if i+2 >= N: return inf if N//2-j < i//2-1: return inf temp = max([dp(i+2, j-1)...
N = int(eval(input())) A = [0]+list(map(int, input().split(" "))) dp_list = [{0, 0}, {0: 0, 1: A[1]}, {0: 0, 1: A[1] if A[1] > A[2] else A[2]}] for i in range(3, N+1): b = (i-1)//2 f = (i+1)//2 dp_list.append({}) for j in range(b, f+1): if j in dp_list[i-1]: dp_list[i][j...
p02716
from collections import defaultdict N = int(eval(input())) A = list(map(int, input().split())) # dp[(i, x, flg)] := i番目までみてx個選んでいる時の最大値。flgは最後の1つをとったかどうか。 dp = defaultdict(lambda: -float('inf')) dp[(0, 0, 0)] = 0 for i, a in enumerate(A, start=1): j = i // 2 for x in range(j - 1, j + 2): dp...
from collections import defaultdict N = int(eval(input())) A = list(map(int, input().split())) # dp[(i, x, flg)] := i番目までみてx個選んでいる時の最大値。flgは最後の1つをとったかどうか。 dp = defaultdict(lambda: -float('inf')) dp[(0, 0, 0)] = 0 for i, a in enumerate(A, start=1): for x in range((i - 1) // 2, (i + 1) // 2 + 1): ...
p02716