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539k
s031098915
p03579
u219015402
1587088380
Python
Python (3.4.3)
py
Runtime Error
584
31460
718
N,M = map(int,input().split()) graph = {i:[] for i in range(N)} for _ in range(M): x,y = map(int,input().split()) x -= 1 y -= 1 graph[x].append(y) graph[y].append(x) color = [0 for _ in range(N)] def f(u,c): color[u] = c for v in graph[u]: if color[v] == c: # 隣接している頂点が同色の場合 二部グラフで...
s498363271
p03579
u219015402
1587088183
Python
Python (3.4.3)
py
Runtime Error
564
31468
718
N,M = map(int,input().split()) graph = {i:[] for i in range(N)} for _ in range(M): x,y = map(int,input().split()) x -= 1 y -= 1 graph[x].append(y) graph[y].append(x) color = [0 for _ in range(N)] def f(u,c): color[u] = c for v in graph[u]: if color[v] == c: # 隣接している頂点が同色の場合 二部グラフで...
s120736850
p03579
u219015402
1587088029
Python
Python (3.4.3)
py
Runtime Error
489
30564
725
N,M = map(int,input().split()) graph = {i:[] for i in range(N)} for _ in range(M): x,y = map(int,input().split()) x -= 1 y -= 1 graph[x].append(y) graph[y].append(x) color = [0 for _ in range(N)] def f(u,c): color[u] = c for v in graph[u]: if color[v] == c: # 隣接している頂点が同色の場合 二部グラフで...
s441852221
p03579
u219015402
1587087651
Python
Python (3.4.3)
py
Runtime Error
614
31792
762
N,M = map(int,input().split()) graph = {i:[] for i in range(N)} for _ in range(M): x,y = map(int,input().split()) x -= 1 y -= 1 graph[x].append(y) graph[y].append(x) color = [0 for _ in range(N)] def f(v,c): color[v] = c for j in range(len(graph[v])): if color[ graph[v][j] ] == c:...
s998883164
p03579
u219015402
1587086723
Python
Python (3.4.3)
py
Runtime Error
647
31452
688
N,M = map(int,input().split()) graph = {i:[] for i in range(N)} for _ in range(M): x,y = map(int,input().split()) x -= 1 y -= 1 graph[x].append(y) graph[y].append(x) color = [0 for _ in range(N)] def f(v,c): color[v] = c for i in range(len(graph[v])): if color[ graph[v][i] ] ==c: ...
s293391500
p03579
u219015402
1587086439
Python
Python (3.4.3)
py
Runtime Error
618
31972
661
N,M = map(int,input().split()) graph = {i:[] for i in range(N)} for _ in range(M): x,y = map(int,input().split()) x -= 1 y -= 1 graph[x].append(y) graph[y].append(x) color = [0 for _ in range(N)] def f(v,c): color[v] = c for i in range(len(graph[v])): if color[ graph[v][i] ] ==c: ...
s745037584
p03579
u476604182
1586457520
Python
Python (3.4.3)
py
Runtime Error
271
25336
480
N, M, *L = map(int, open(0).read().split()) dic = [[] for i in range(N+1)] for a,b in zip(*[iter(L)]*2): dic[a].append(b) dic[b].append(a) color = [0]*(N+1) def dfs(v,c): color[v] = c for u in dic[v]: if color[u]==c: return False if color[u]==0 and not dfs(u,-c): return False return True f...
s004638279
p03579
u571969099
1584984578
Python
PyPy3 (2.4.0)
py
Runtime Error
854
106784
483
n, m = [int(i) for i in input().split()] e = [[] for _ in range(n)] for _ in range(m): a, b = [int(i) - 1 for i in input().split()] e[a].append(b) e[b].append(a) ok = False tag = [-1] * n def dfs(i=0, c=0): global ok, tag if tag[i] != -1: if tag[i] != c: ok = True retu...
s833480120
p03579
u649326276
1584898126
Python
Python (3.4.3)
py
Runtime Error
547
32176
588
import sys sys.setrecursionlimit(10000) def dfs(G, v, cur): color[v] = cur; for next_v in G[v] : if not(color[next_v] == -1) : if color[next_v] == cur : return 0; continue; if not(dfs(G,next_v,1-cur)): return 0; return 1; n,m = list(map...
s113087178
p03579
u649326276
1584898072
Python
Python (3.4.3)
py
Runtime Error
529
30092
587
import sys sys.setrecursionlimit(5000) def dfs(G, v, cur): color[v] = cur; for next_v in G[v] : if not(color[next_v] == -1) : if color[next_v] == cur : return 0; continue; if not(dfs(G,next_v,1-cur)): return 0; return 1; n,m = list(map(...
s406021452
p03579
u649326276
1584898010
Python
Python (3.4.3)
py
Runtime Error
498
28324
587
import sys sys.setrecursionlimit(3000) def dfs(G, v, cur): color[v] = cur; for next_v in G[v] : if not(color[next_v] == -1) : if color[next_v] == cur : return 0; continue; if not(dfs(G,next_v,1-cur)): return 0; return 1; n,m = list(map(...
s177304399
p03579
u281610856
1584371421
Python
Python (3.4.3)
py
Runtime Error
587
22952
1123
# 二部グラフ判定 def dfs(u, c): color[u] = c # 訪問したら指定の色で塗る for v in G[u]: # uからつながっている頂点を順に取り出す if color[v] != -1: # すでに訪問していた場合 if color[v] == c: return False # 隣接する頂点が同じ色のときはFalse else: continue else: # 未訪問の時は色は違う色にしてDFSで再帰的に探索 ...
s665197619
p03579
u844646164
1584321501
Python
Python (3.4.3)
py
Runtime Error
700
31944
474
import numpy as np n, m = map(int, input().split()) g = [[] for _ in range(n)] for _ in range(m): u, v = map(lambda x: int(x)-1, input().split()) g[u] += [v] g[v] += [u] col = [0]*n def dfs(u, c): col[u] = c for v in g[u]: if col[v] == c: return False if (col[v] == 0 and not dfs(v, -c)): ...
s097743392
p03579
u649326276
1584053600
Python
Python (3.4.3)
py
Runtime Error
513
26520
546
def dfs(G, v, cur): color[v] = cur; for next_v in G[v] : if not(color[next_v] == -1) : if color[next_v] == cur : return 0; continue; if not(dfs(G,next_v,1-cur)): return 0; return 1; n,m = list(map(int,input().split())); G = [[] for i in ...
s589731231
p03579
u893063840
1581860234
Python
Python (3.4.3)
py
Runtime Error
730
63712
1221
import sys sys.setrecursionlimit(10 ** 6) n, m = map(int, input().split()) ab = [list(map(int, input().split())) for _ in range(m)] g = [[] for _ in range(n)] for a, b in ab: a -= 1 b -= 1 g[a].append(b) g[b].append(a) class Tree: WHITE = 0 GRAY = 1 BLACK = 2 def __init__(self, adj)...
s282233605
p03579
u450956662
1581179813
Python
Python (3.4.3)
py
Runtime Error
2193
715056
553
import sys sys.setrecursionlimit(10 ** 6) def is_bipartite(v, r, d): color[v] = d for u in E[v]: if u == r: continue if color[u] == d: return False is_bipartite(u, v, (d + 1) % 2) return True N, M = map(int, input().split()) E = [[] for _ in range(N)] color ...
s379205606
p03579
u955125992
1580644739
Python
Python (3.4.3)
py
Runtime Error
21
3316
803
from collections import deque def dfs(): global color global edge color = [-1] * n edge = [[] for _ in range(n)] q = deque([]) q.append(0) color[0] = 1 while q: p = q.pop() for u in edge[p]: if color[u] == -1: color[u] = (color[p] + 1) %...
s716512114
p03579
u334712262
1580361152
Python
PyPy3 (2.4.0)
py
Runtime Error
553
117336
1769
# -*- coding: utf-8 -*- import bisect import heapq import math import random import sys from collections import Counter, defaultdict, deque from decimal import ROUND_CEILING, ROUND_HALF_UP, Decimal from functools import lru_cache, reduce from itertools import combinations, combinations_with_replacement, product, permut...
s379356223
p03579
u724687935
1577602475
Python
Python (3.4.3)
py
Runtime Error
495
23296
657
from collections import Counter def dfs(x): res = True for e in edge[x]: if color[e] is None: color[e] = 0 if color[x] else 1 res &= dfs(e) else: if color[e] == color[x]: res &= False else: res &= True return r...
s646173663
p03579
u532966492
1576359540
Python
Python (3.4.3)
py
Runtime Error
585
44224
647
def main(): n,m=map(int,input().split()) ab=[list(map(int,input().split())) for _ in [0]*m] g=[[] for _ in [0]*n] [g[a-1].append(b-1) for a,b in ab] [g[b-1].append(a-1) for a,b in ab] ans=[None]*n ans[0]=0 temp=[0] while temp: i=temp.pop() for j in g[i]: i...
s036269551
p03579
u550943777
1576292744
Python
Python (3.4.3)
py
Runtime Error
564
23040
856
class BinPartite: def __init__(self, N, es): self.colors = [0 for i in range(N)] self.es = es def dfs(self, v, color): self.colors[v] = color for to in self.es[v]: if self.colors[to] == color: return False if self.colors[to] == 0 and not s...
s548135516
p03579
u375870553
1574908722
Python
Python (3.4.3)
py
Runtime Error
623
35672
894
from collections import defaultdict G = defaultdict(list) N, M = map(int, input().split()) visited = [[False for i in range(N)] for j in range(5)] for i in range(M): v,u = map(int, input().split()) G[v-1].append(u-1) G[u-1].append(v-1) # 頂点間に奇数長のパスがあるかどうか確認するために 2部グラフ 判定をする COLOR = [0 for i in range(N)]...
s671810958
p03579
u278356323
1574359071
Python
Python (3.4.3)
py
Runtime Error
511
22988
558
import math n, m = map(int, input().split()) color = [-1]*n edge = [list() for _ in range(n)] for _ in range(m): a, b = map(int, input().split()) edge[a-1].append(b-1) edge[b-1].append(a-1) flag = True def dfs(i, pre, c): if color[i] == c: return elif color[i] == 1-c: global flag...
s279813005
p03579
u898967808
1572711272
Python
Python (3.4.3)
py
Runtime Error
2107
43164
663
vn,en = map(int,input().split()) ab = [list(map(int,input().split())) for _ in range(en)] e = [[] for _ in range(vn)] for f,t in ab: e[f-1].append(t-1) e[t-1].append(f-1) def dfs(v, root:list): if v in root: return else: root.append(v) if len(root)==4: if not (root[-1] in e[root[0]])...
s853039069
p03579
u392029857
1571859647
Python
Python (3.4.3)
py
Runtime Error
17
3064
927
import sys sys.setrecursionlimit(4100000) def main(): def Dfs(G, s, v, cnt = 0): if cnt == 3: if v != s and not (v in G[s]): seen[v] = 1 return for next_v in G[v]: Dfs(G, s, next_v, cnt+1) input = sys.stdin.readline n, m = map(int, input()...
s317191491
p03579
u310678820
1570901696
Python
Python (3.4.3)
py
Runtime Error
477
22064
648
N, M = map(int, input().split()) G = [[] for _ in range(N)] for _ in range(M): a, b = map(int, input().split()) G[a-1].append(b-1) G[b-1].append(a-1) def is_bipartite(G): n = len(G) color = [-1]*n que = deque([0]) color[0] = 0 while que: v = que.pop() c = color[v] ...
s672993936
p03579
u600402037
1570421230
Python
Python (3.4.3)
py
Runtime Error
17
2940
800
import sys sys.setrecursionlimit(10 ** 7) N, M = map(int,input().split()) AB = [list(map(int, input().split())) for _ in range(M)] graph = [[] for _ in range(N)] for a,b in AB: graph[a−1].append(b-1) graph[b-1].append(a-1) # 二部グラフかどうかの判定 color = [None] * N color[0] = 0 q = [0] while q: x = q.pop() f...
s796866589
p03579
u482808969
1569814047
Python
PyPy3 (2.4.0)
py
Runtime Error
820
85152
616
n, m = map(int, input().split()) g = [[] for _ in range(n)] for i in range(m): a, b = map(int, input().split()) g[a - 1].append(b - 1) g[b - 1].append(a - 1) color = [-1] * n black = 0 white = 0 def dfs(v, c): global black, white color[v] = c if c == 0: black += 1 else: ...
s623827478
p03579
u482808969
1569813644
Python
PyPy3 (2.4.0)
py
Runtime Error
667
57324
586
n, m = map(int, input().split()) g = [[] for _ in range(n)] for i in range(m): a, b = map(int, input().split()) g[a - 1].append(b - 1) g[b - 1].append(a - 1) color = [-1] * n black = 0 white = 0 def dfs(v, c): global black, white color[v] = c if c == 0: black += 1 else: ...
s806158657
p03579
u052499405
1562597788
Python
Python (3.4.3)
py
Runtime Error
17
2940
891
#include <stdio.h> #include <iostream> #include <iomanip> #include <vector> #include <cmath> using namespace std; using ll = long long int; int MAX_N = 1e5; vector<int> is_odd(MAX_N, -1); vector<vector<int>> edge(MAX_N, vector<int>{}); ll odd_num = 0; ll even_num = 0; ll n, m; int dfs(int d, int v){ if(is_odd[v] !...
s436654706
p03579
u057109575
1561847385
Python
PyPy3 (2.4.0)
py
Runtime Error
815
99672
572
N, M = map(int, input().split()) edges = [list(map(int, input().split())) for _ in range(M)] graph = [[] for _ in range(N)] for x, y in edges: graph[x - 1].append(y - 1) graph[y - 1].append(x - 1) def dfs(v, c): # c: color = 1 or -1 node[v] = c for i in graph[v]: if node[i] == c: ...
s946284179
p03579
u379692329
1561482381
Python
Python (3.4.3)
py
Runtime Error
17
3064
898
import sys sys.setrecursionlimit(10**6) from operator import mul from functools import reduce def comb(n,r): r = min(n-r,r) if r == 0: return 1 over = reduce(mul, range(n, n - r, -1)) under = reduce(mul, range(1,r + 1)) return over // under def dfs(v, cur): color[v] = cur for next_v ...
s572780937
p03579
u619819312
1559519374
Python
Python (3.4.3)
py
Runtime Error
452
31140
461
import sys sys.setrecursionlimit(10**6) n,m=map(int,input().split()) s=[[]for i in range(n+1)] c=[0]*(n+1) for i in range(m): a,b=map(int,input().split()) s[a].append(b) s[b].append(a) def dfs(v,t): c[v]=t for i in s[v]: if c[i]==t: return false if c[i]==0 and not dfs(i,-...
s734422153
p03579
u414425367
1558659893
Python
PyPy3 (2.4.0)
py
Runtime Error
840
131672
587
N,M=[int(a) for a in input().split()] AB=[[int(a) for a in input().split()] for _ in range(M)] edges = [[] for _ in range(N)] for a, b in AB: edges[a-1].append(b-1) edges[b-1].append(a-1) visited = [False]*N WH = [None]*N def dfs(curr, is_white): if visited[curr]: return WH[curr]^is_white WH[c...
s554213413
p03579
u798129018
1558381011
Python
PyPy3 (2.4.0)
py
Runtime Error
175
38256
905
#s,t間に奇数長のパスが存在したならば必ずs,t間には辺が張られる #グラフが二部グラフでないならば奇数長のサイクルが存在して任意の(s,t)間に奇数長パスが作れる #グラフが二部グラフであるならば異なるカラーグループ間の頂点には必ず辺が張られる n,m = map(int,input().split()) G = defaultdict(set) color = [0 for i in range(n)] for i in range(m): a, b = map(int, input().split()) G[a-1].add(b-1) G[b-1].add(a-1) #二部グラフ判定 color[0]...
s991009401
p03579
u238510421
1558236696
Python
PyPy3 (2.4.0)
py
Runtime Error
681
64928
760
from collections import Counter import sys sys.setrecursionlimit(1000000) N,M = map(int, input().split()) # 隣接リスト l = [[] for i in range(N+1)] for i in range(M): ab = list(map(int, input().split())) a = min(ab) b = max(ab) l[a].append(b) nodes_color = {node:0 for node in range(1, N+1)}#set([a for ab...
s346983637
p03579
u238510421
1558235894
Python
PyPy3 (2.4.0)
py
Runtime Error
874
108316
700
from collections import Counter N,M = map(int, input().split()) # 隣接リスト l = [[] for i in range(N+1)] for i in range(M): a,b = map(int, input().split()) l[a].append(b) l[b].append(a) nodes_color = {node:0 for node in range(1, N+1)}#set([a for ab in ab_list for a in ab])} def func(v,c): if nodes_colo...
s295802517
p03579
u238510421
1558235807
Python
PyPy3 (2.4.0)
py
Runtime Error
176
38640
700
from collections import Counter N,M = map(int, input().split()) # 隣接リスト l = [[] for i in range(n+1)] for i in range(m): a,b = map(int, input().split()) l[a].append(b) l[b].append(a) nodes_color = {node:0 for node in range(1, N+1)}#set([a for ab in ab_list for a in ab])} def func(v,c): if nodes_colo...
s895839958
p03579
u238510421
1558235757
Python
PyPy3 (2.4.0)
py
Runtime Error
171
38384
667
N,M = map(int, input().split()) # 隣接リスト l = [[] for i in range(n+1)] for i in range(m): a,b = map(int, input().split()) l[a].append(b) l[b].append(a) nodes_color = {node:0 for node in range(1, N+1)}#set([a for ab in ab_list for a in ab])} def func(v,c): if nodes_color[v] == c: return True ...
s933506592
p03579
u238510421
1558235669
Python
PyPy3 (2.4.0)
py
Runtime Error
177
38384
667
N,M = map(int, input().split()) # 隣接リスト l = [[] for i in range(n+1)] for i in range(m): a,b = map(int, input().split()) l[a].append(b) l[b].append(a) nodes_color = {node:0 for node in range(1, N+1)}#set([a for ab in ab_list for a in ab])} def func(v,c): if nodes_color[v] == c: return True ...
s190818857
p03579
u238510421
1558152268
Python
PyPy3 (2.4.0)
py
Runtime Error
2109
113624
964
from collections import Counter N, M = map(int, input().split()) ab_list = [] for _ in range(M): a, b = map(int, input().split()) ab_list.append([a,b]) nodes_color = {node:0 for node in range(1, N+1)}#set([a for ab in ab_list for a in ab])} def func(v,c): if nodes_color[v] == 0: nodes_color[v]...
s653650543
p03579
u236127431
1555948405
Python
PyPy3 (2.4.0)
py
Runtime Error
760
89504
417
N,M=map(int,input().split()) G=[[] for i in range(N)] for i in range(M): a,b=map(int,input().split()) a-=1 b-=1 G[a].append(b) G[b].append(a) color=[-1]*N def dfs(x): for i in G[x]: if color[i]==-1: color[i]=1^color[x] dfs(i) elif color[i]==color[x]: print((N*(N-1))//2-M) e...
s297008908
p03579
u298297089
1555940942
Python
Python (3.4.3)
py
Runtime Error
17
2940
642
v N,M = map(int, input().split()) es = [[] for i in range(N)] for i in range(M): a,b = map(int, input().split()) a,b = a-1,b-1 es[a].append(b) es[b].append(a) colors = [0 for i in range(N)] def is_bipartite(): stack = [(0,1)] while stack: v,color = stack.pop() colors[v...
s965171873
p03579
u608088992
1554244531
Python
Python (3.4.3)
py
Runtime Error
319
22948
572
import sys F = sys.stdin N, M = map(int, F.readline().strip("\n").split()) Edge = [[] for _ in range(N)] for _ in range(M): A, B = map(int, F.readline().strip("\n").split()) Edge[A-1].append(B-1) Edge[B-1].append(A-1) Color = [0] * N def dfs(v, c): Color[v] = c for next in Edge[v]: if Col...
s113196268
p03579
u884982181
1549140111
Python
PyPy3 (2.4.0)
py
Runtime Error
543
115104
707
import sys #sys.setrecursionlimit(200000) input = sys.stdin.readline n,m= map(int,input().split()) g = [[]for i in range(n)] for i in range(m): a,b = map(int,input().split()) a-=1;b-=1 g[a].append(b) g[b].append(a) kyo = [1<<50]*n def dfs(x,y,z): for i in g[x]: if...
s962982524
p03579
u785989355
1537663115
Python
Python (2.7.6)
py
Runtime Error
423
24956
852
N,M = map(int,raw_input().split()) path = [] path_from=[[] for i in range(N)] for i in range(M): A,B = map(int,raw_input().split()) path_from[A-1].append(B-1) path_from[B-1].append(A-1) color_list = [0 for i in range(N)] color_list[0] = 1 def two_part_or_not(start,path_from,color_list): for end ...
s446138315
p03579
u467736898
1537554850
Python
Python (3.4.3)
py
Runtime Error
573
31408
375
N, M = map(int, input().split()) E = [sorted(list(map(int, input().split()))) for i in range(M)] E.sort() print(E) L = [-1]*(N+1) L[1] = 0 al = False for e in E: a, b = e if L[b] == -1: L[b] = 1-L[a] elif L[a] + L[b] != 1: al = True break if al: print(N*(N-1)//2-M) else: c = ...
s602709299
p03579
u631277801
1537442666
Python
PyPy3 (2.4.0)
py
Runtime Error
174
38640
1641
#import sys #stdin = sys.stdin def li(): return map(int, stdin.readline().split()) def li_(): return map(lambda x: int(x)-1, stdin.readline().split()) def lf(): return map(float, stdin.readline().split()) def ls(): return stdin.readline().split() def ns(): return stdin.readline().rstrip() def lc(): return list(ns()) d...
s009561554
p03579
u820560680
1534717952
Python
Python (3.4.3)
py
Runtime Error
17
3064
628
import sys sys.getrecursionlimit(1000000) N, M = map(int, input().split()) G = [[] for i in range(N)] for _ in range(M): Ai, Bi = map(int, input().split()) G[Ai - 1].append(Bi - 1) G[Bi - 1].append(Ai - 1) color = [0] * N def dfs(v, c): ''' 頂点vをcで塗る そこから深さ優先探索で交互に塗っていく ''' color[v] = c ...
s961229631
p03579
u820560680
1534717449
Python
Python (3.4.3)
py
Runtime Error
465
22956
585
N, M = map(int, input().split()) G = [[] for i in range(N)] for _ in range(M): Ai, Bi = map(int, input().split()) G[Ai - 1].append(Bi - 1) G[Bi - 1].append(Ai - 1) color = [0] * N def dfs(v, c): ''' 頂点vをcで塗る そこから深さ優先探索で交互に塗っていく ''' color[v] = c for i in G[v]: if color[i] == c: ...
s115779469
p03579
u333945892
1530290666
Python
Python (3.4.3)
py
Runtime Error
648
41616
915
from collections import defaultdict N,M = map(int,input().split()) dict = defaultdict(set) for i in range(M): a,b = list(map(int,input().split())) dict[a].add(b) dict[b].add(a) color = [0 for i in range(N+1)] nibu = True def dfs(v,c): u''' v : 現在のグラフの頂点 c : vのグラフのcolor queue : 探索済みのグラフの頂点 res : 二部グラフの判定...
s964529154
p03579
u297574184
1529538437
Python
Python (3.4.3)
py
Runtime Error
461
22940
937
N, M = map(int, input().split()) adjL = [[] for v in range(N)] for e in range(M): A, B = map(int, input().split()) adjL[A - 1].append(B - 1) adjL[B - 1].append(A - 1) # 二部グラフかどうかを判定する(頂点を1or-1で塗っていく) colors = [0] * N def dfs(vNow, color): colors[vNow] = color # 頂点vNowをcolorで塗る for v in adjL[vNow]:...
s099351170
p03579
u270681687
1527439495
Python
Python (3.4.3)
py
Runtime Error
517
23832
809
n, m = map(int, input().split()) graph = [[] for i in range(n)] for i in range(m): a, b = map(int, input().split()) graph[a-1].append(b-1) graph[b - 1].append(a - 1) memo = [0 for i in range(n)] color = [-1 for i in range(n)] black = 0 white = 0 flag = 0 def search(v): for i in graph[v]: if...
s765381736
p03579
u270681687
1527438124
Python
Python (3.4.3)
py
Runtime Error
2133
486064
881
n, m = map(int, input().split()) graph = [[0 for i in range(n)] for j in range(n)] for i in range(m): a, b = map(int, input().split()) graph[a][b] = 1 graph[b][a] = 1 memo = [0 for i in range(n)] color = [-1 for i in range(n)] black = 0 white = 0 flag = 0 def search(v): for i in range(n): i...
s187663503
p03579
u694433776
1525818696
Python
Python (3.4.3)
py
Runtime Error
532
23796
720
n, m = map(int, input().split()) edge = [[] for i in range(n)] for i in range(m): a, b = map(int, input().split()) a -= 1 b -= 1 edge[a].append(b) edge[b].append(a) # -1 → 0,1に塗っていきます color=[-1 for i in range(n)] def dfs(pos): ret = True for i in range(len(edge[pos])): to = edge[pos]...
s760672981
p03579
u694433776
1525818485
Python
Python (3.4.3)
py
Runtime Error
556
23052
731
n, m = map(int, input().split()) edge = [[] for i in range(n)] for i in range(m): a, b = map(int, input().split()) a -= 1 b -= 1 edge[a].append(b) edge[b].append(a) # -1 → 0,1に塗っていきます color=[-1 for i in range(n)] def dfs(pos): ret = True for i in range(len(edge[pos])): to = edge[pos]...
s763401047
p03579
u621935300
1509324071
Python
Python (2.7.6)
py
Runtime Error
461
24940
633
# -*- coding: utf-8 -*- import sys N,M=list(map(int,raw_input().split())) nl=[[] for i in range(N+1)] for i in range(M): x,y=map(int,raw_input().split()) nl[x].append(y) nl[y].append(x) #print nl def dfs(v): F[v]=1 for i in nl[v]: if color[v]=="w" and color[i]==0: color[i]="b" elif color[v]=="b" and col...
s163127805
p03579
u621935300
1509323981
Python
Python (2.7.6)
py
Runtime Error
444
24940
613
# -*- coding: utf-8 -*- import sys N,M=list(map(int,raw_input().split())) nl=[[] for i in range(N+1)] for i in range(M): x,y=map(int,raw_input().split()) nl[x].append(y) nl[y].append(x) #print nl def dfs(v): F[v]=1 for i in nl[v]: if color[v]=="w" and color[i]==0: color[i]="b" elif color[v]=="b" and col...
s075270363
p03579
u621935300
1509323638
Python
Python (2.7.6)
py
Runtime Error
466
24936
693
# -*- coding: utf-8 -*- import sys N,M=list(map(int,raw_input().split())) nl=[[] for i in range(N+1)] for i in range(M): x,y=map(int,raw_input().split()) nl[x].append(y) nl[y].append(x) #print nl def dfs(v,p): F[v]=1 for i in nl[v]: if color[v]=="w" and color[i]==0: color[i]="b" elif color[v]=="b" and c...
s129912112
p03579
u621935300
1509322735
Python
Python (2.7.6)
py
Runtime Error
412
24936
720
# -*- coding: utf-8 -*- import sys N,M=list(map(int,raw_input().split())) nl=[[] for i in range(N+1)] for i in range(M): x,y=map(int,raw_input().split()) nl[x].append(y) nl[y].append(x) #print nl def dfs(v,p): F[v]=1 global bip_graph for i in nl[v]: if color[v]=="w" and color[i]==0: color[i]="b" elif c...
s783195023
p03579
u621935300
1509322136
Python
Python (2.7.6)
py
Runtime Error
464
24940
815
# -*- coding: utf-8 -*- N,M=list(map(int,raw_input().split())) nl=[[] for i in range(N+1)] for i in range(M): x,y=map(int,raw_input().split()) nl[x].append(y) nl[y].append(x) #print nl def dfs(v,p): F[v]=1 global bip_graph for i in nl[v]: if color[v]=="w" and color[i]==0: color[i]="b" elif color[v]=="...
s703516207
p03579
u621935300
1508715019
Python
Python (2.7.6)
py
Runtime Error
442
24940
799
# -*- coding: utf-8 -*- N,M=list(map(int,raw_input().split())) nl=[[] for i in range(N+1)] for i in range(M): x,y=map(int,raw_input().split()) nl[x].append(y) nl[y].append(x) #print nl def dfs(v,p): F[v]=1 global bip_graph for i in nl[v]: #print v,i,color if color[v]=="w" and color[i]==0: color[i]="b" ...
s733268869
p03579
u694433776
1508626778
Python
PyPy3 (2.4.0)
py
Runtime Error
890
119200
561
n,m=map(int,input().split()) edge=[[] for i in range(n)] for i in range(m): a,b=map(int,input().split()) a-=1 b-=1 edge[a].append(b) edge[b].append(a) depth=[-1 for i in range(n)] def check(i,h): depth[i]=h for j in edge[i]: if depth[j]==-1: check(j,(h+1)%2) elif ...
s733968281
p03579
u694433776
1508601756
Python
PyPy3 (2.4.0)
py
Runtime Error
1000
119200
705
n,m=map(int,input().split()) edge=[[] for i in range(n)] for i in range(m): a,b=map(int,input().split()) a-=1 b-=1 edge[a].append(b) edge[b].append(a) depth=[-1 for i in range(n)] def check(i,h): depth[i]=h for j in edge[i]: if depth[j]==-1: check(j,h+1) elif dept...
s234763027
p03579
u694433776
1508601700
Python
PyPy3 (2.4.0)
py
Runtime Error
895
119200
705
n,m=map(int,input().split()) edge=[[] for i in range(n)] for i in range(m): a,b=map(int,input().split()) a-=1 b-=1 edge[a].append(b) edge[b].append(a) depth=[-1 for i in range(n)] def check(i,h): depth[i]=h for j in edge[i]: if depth[j]==-1: check(j,h+1) elif dept...
s993297553
p03579
u796424048
1507897876
Python
Python (3.4.3)
py
Runtime Error
2106
41840
1222
from collections import Counter from collections import defaultdict N,M = map(int,input().split()) dict = defaultdict(set) for i in range(M): a,b = list(map(int,input().split())) dict[a].add(b) dict[b].add(a) color = [0 for i in range(N+1)] res = True def dfs(v,c,queue=[]): u''' v : 現在...
s375930366
p03579
u466826467
1507776948
Python
Python (3.4.3)
py
Runtime Error
645
23376
868
from collections import deque def dfs(v, c): flgs[v] = c for i in range(len(G[v])): if flgs[G[v][i]] == c: return False if flgs[G[v][i]] == 0 and not dfs(G[v][i], -c): return False return True if __name__ == '__main__': N, M = map(int, input().split()) G ...
s939708863
p03579
u761320129
1507656003
Python
Python (2.7.6)
py
Runtime Error
477
24956
547
N,M = map(int,raw_input().split()) es = [[] for i in range(N)] for i in range(M): a,b = map(int,raw_input().split()) a,b = a-1,b-1 es[a].append(b) es[b].append(a) colors = [0 for i in range(N)] def dfs(v,color): colors[v] = color for to in es[v]: if colors[to] == color: return False if color...
s214270212
p03579
u509661905
1507566219
Python
Python (3.4.3)
py
Runtime Error
560
42920
1900
#!/usr/bin/env python3 import sys # 再帰深度の制限 REC_LIMIT = 10000 # 頂点の色 UNDEF = 0 WHITE = 1 BLACK = -WHITE # 所与のグラフが二部グラフならば,(True, color[])を返す # さもなければ,(False, None)を返す # 参考:『プログラミングコンテストチャレンジブック』(第2版)p.94 def is_bipartite_graph(adj_list): n = len(adj_list) # 頂点数 color = [UNDEF] * n # 頂点をWHITEとBLACKで塗...
s562768301
p03579
u257374434
1507516868
Python
Python (3.4.3)
py
Runtime Error
610
44856
1363
from collections import deque,defaultdict N ,M =list(map(int,input().split())) AB =[ [int(x)-1 for x in input().split()] for _ in range(M)] d =defaultdict(list) for a,b in AB: d[a].append(b) d[b].append(a) def check(i): dists = [-1 for _ in range(N)] dists[i]=0 #q = deque([ (1,val)for val in ...
s838721917
p03579
u667084803
1507516819
Python
PyPy3 (2.4.0)
py
Runtime Error
648
57248
287
N,M=map(int,input().split()) edges=[[] for i in range(N)] for i in range(M): a,b = map(int,input().split()) edges[a-1]+=[b-1] edges[b-1]+=[a-1] #print(edges) ans=0 if N>7: print((N*(N-1))//2-M)#奇数要素の閉路があった場合は全ての頂点を結べる. else: a=0/0
s696304662
p03579
u054957956
1507515592
Python
Python (3.4.3)
py
Runtime Error
639
24608
954
n, m = map(int, input().split()) sus = [[] for i in range(n)] eq = [1 for i in range(n)] for i in range(m): a, b = map(int, input().split()) sus[a - 1].append(b - 1) sus[b - 1].append(a - 1) valid = [True for i in range(n)] def dfs(x): ret = 1 valid[x] = False for y in sus[x]: if valid...
s262293390
p03579
u798181098
1507515427
Python
Python (3.4.3)
py
Runtime Error
17
2940
1758
#include <algorithm> #include <bitset> #include <cassert> #include <cmath> #include <complex> #include <cstdint> #include <cstdio> #include <deque> #include <functional> #include <iomanip> #include <iostream> #include <limits> #include <map> #include <numeric> #include <queue> #include <set> #include <sstream> #include...
s622760734
p03579
u257374434
1507514228
Python
Python (3.4.3)
py
Runtime Error
603
44680
1268
from collections import deque,defaultdict N ,M =list(map(int,input().split())) AB =[ [int(x)-1 for x in input().split()] for _ in range(M)] d =defaultdict(list) for a,b in AB: d[a].append(b) d[b].append(a) def check(i): dists = [-1 for _ in range(N)] dists[i]=0 q = deque([ (1,val)for val in d...
s690175571
p03579
u257374434
1507513836
Python
Python (3.4.3)
py
Runtime Error
2106
58092
1215
from collections import deque,defaultdict N ,M =list(map(int,input().split())) AB =[ [int(x)-1 for x in input().split()] for _ in range(M)] d =defaultdict(list) for a,b in AB: d[a].append(b) d[b].append(a) def check(i): dists = [-1 for _ in range(N)] dists[i]=0 q = deque([ (1,val)for val in d...
s773737564
p03579
u257374434
1507513556
Python
Python (3.4.3)
py
Runtime Error
2106
58220
1220
from collections import deque,defaultdict N ,M =list(map(int,input().split())) AB =[ [int(x)-1 for x in input().split()] for _ in range(M)] d =defaultdict(list) for a,b in AB: d[a].append(b) d[b].append(a) def check(i): dists = [-1 for _ in range(N)] dists[i]=0 q = deque([ (1,val)for val in d...
s090491589
p03579
u205803237
1507513458
Python
Python (3.4.3)
py
Runtime Error
17
2940
33
import networkx as nx print("a")
s342603743
p03580
u499381410
1596302232
Python
PyPy3 (7.3.0)
py
Runtime Error
174
108160
1933
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, floor fro...
s003706045
p03580
u499381410
1596302196
Python
PyPy3 (7.3.0)
py
Runtime Error
286
111412
1959
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, floor fro...
s036794347
p03580
u499381410
1596301665
Python
PyPy3 (7.3.0)
py
Runtime Error
183
108224
1955
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, floor fro...
s042259638
p03580
u499381410
1596301621
Python
PyPy3 (7.3.0)
py
Runtime Error
186
102392
1952
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, floor fro...
s820700471
p03580
u499381410
1596299179
Python
PyPy3 (7.3.0)
py
Runtime Error
179
108132
1975
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, floor fro...
s703846708
p03580
u499381410
1596299025
Python
PyPy3 (7.3.0)
py
Runtime Error
185
108428
1931
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, floor fro...
s450792815
p03580
u499381410
1596298968
Python
PyPy3 (7.3.0)
py
Runtime Error
174
108196
1891
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, floor fro...
s564751192
p03580
u140862547
1534291741
Python
Python (3.4.3)
py
Runtime Error
305
6804
1138
n = int(input()) s = input() res = [] count = 0 if s[0] == '1':one = 1 else:one = 0 temp = [] tar = 0 for i in range(1,n-1): if s[i-1:i+2] == '101': # 碰到了101 tar = 1 temp.append(one) one = 0 # 任务重新计数 else: if s[i] == '0' and tar == 1: # 在任务中碰到了连续0,结束任务 ...
s503144897
p03580
u140862547
1534291708
Python
Python (3.4.3)
py
Runtime Error
282
6932
1143
n = int(input()) s = input() res = [] count = 0 if s[0] == '1':one = 1 else:one = 0 temp = [] tar = 0 for i in range(1,n-1): if s[i-1:i+2] == '101': # 碰到了101 tar = 1 temp.append(one) one = 0 # 任务重新计数 else: if s[i] == '0' and tar == 1: # 在任务中碰到了连续0,结束任务 ...
s560859303
p03580
u499259667
1515537669
Python
Python (3.4.3)
py
Runtime Error
19
3060
202
N,M,K = map(int,input().split()) if K ==0: print("Yes") exit() for n in range(N): for m in range(M): if n*m+(N-n)*(M-m) == K: print("Yes") exit() print("No")
s556120185
p03580
u104282757
1507603146
Python
Python (3.4.3)
py
Runtime Error
97
12200
1421
# D N = int(input()) s = list(map(int, list(input()))) def calc_add(temp_list): if len(temp_list) <= 1: return 0 else: res = 0 # use 101 for left dp_l = [0]*len(temp_list) # use 101 for right dp_r = [0]*len(temp_list) # do not use 101 dp...
s857247793
p03580
u104282757
1507602743
Python
Python (3.4.3)
py
Runtime Error
385
12200
1587
# D N = int(input()) s = list(map(int, list(input()))) res = 0 L = 0 for i in range(N): if s[i] == 1: L = i break for i in range(N): if s[i] == 1: M = i def calc_add(temp_list): if len(temp_list) <= 1: return 0 else: res = 0 # use 101 f...
s865298238
p03580
u104282757
1507602089
Python
Python (3.4.3)
py
Runtime Error
318
12200
1642
# D N = int(input()) s = list(map(int, list(input()))) res = 0 i = 0 L = 0 for i in range(N): if s[i] == 1: L = i break for i in range(N): if s[i] == 1: M = i def calc_add(temp_list): return sum(temp_list) def calc_add_2(temp_list): if len(temp_list) <= 1: ...
s289319653
p03580
u104282757
1507602029
Python
Python (3.4.3)
py
Runtime Error
17
3060
1641
# D N = int(input()) s = list(map(int, list(input()))) res = 0 i = 0 L = 0 for i in range(N): if s[i] == 1: L = i break for i in range(N): if s[i] == 1: M = i def calc_add(temp_list): return sum(temp_list) def calc_add_2(temp_list) if len(temp_list) <= 1: ...
s199443191
p03580
u104282757
1507601131
Python
Python (3.4.3)
py
Runtime Error
438
12200
1589
# D N = int(input()) s = list(map(int, list(input()))) res = 0 i = 0 L = 0 for i in range(N): if s[i] == 1: L = i break for i in range(N): if s[i] == 1: M = i def calc_add(temp_list): if len(temp_list) <= 1: return 0 else: res = 0 # u...
s518853409
p03580
u104282757
1507600602
Python
Python (3.4.3)
py
Runtime Error
419
12200
1591
# D N = int(input()) s = list(map(int, list(input()))) res = 0 i = 0 L = 0 for i in range(N): if s[i] == 1: L = i break for i in range(N): if s[i] == 1: M = i def calc_add(temp_list): if len(temp_list) <= 1: return 0 else: res = 0 # u...
s627979263
p03580
u098968285
1507518276
Python
PyPy3 (2.4.0)
py
Runtime Error
177
38256
906
# def makelist(n, m): # return [[0 for i in range(m)] for j in range(n)] N = int(input()) s = input() dp = [] cnt = [0]*2 cnt[int(s[0])] += 1 for i in range(1, N): if i == N-1: else: now = int(s[i]) if cnt[now] > 0: cnt[now] += 1 else: anti = (cnt + 1) % 2...
s165602194
p03580
u104282757
1507517985
Python
Python (3.4.3)
py
Runtime Error
275
12200
734
# D N = int(input()) s = list(map(int, list(input()))) res = 0 i = 0 temp_list = [0] L = 0 for i in range(N): if s[i] == 1: L = i break for i in range(N): if s[i] == 1: M = i for i in range(L, M+1): if i == M: # stop add calculate if temp_list[0] == 0: ...
s056904426
p03580
u297574184
1507517569
Python
Python (3.4.3)
py
Runtime Error
204
15020
694
N = int(input()) s = input() while s.count('000'): s = s.replace('000', '00') ss = s.split('00') A = [] for si in ss: num = 0 ai = [] for c in si: if c == '1': num += 1 else: if num > 0: ai.append(num) num = 0 if num > 0: ...
s277956929
p03580
u330205771
1507516972
Python
Python (3.4.3)
py
Runtime Error
517
7956
678
N = int(input()) s = list(input()) count = 0 idx = 0 while True: if N - 2 <= idx: break if s[idx:idx + 3] == ['1', '0', '1']: countL = 1 for i in range(0, idx)[::-1]: if s[i] == '0': break countL += 1 countR = 1 for i in range(id...
s719523759
p03580
u813238682
1507516361
Python
Python (3.4.3)
py
Runtime Error
2129
522148
1132
#!/usr/bin/env python # -*- coding: utf-8 -*- TARGET_S = "101" ALETERED_S = "010" TARGET_S_LEN = 2 def position_generator(ctarget_string): """ Test: >>> position_generator("101000101") [0, 6] """ ret_list = [] search_pos = 0 while ctarget_string.find(TARGET_S, search_pos) != -1: ...
s911193171
p03580
u846372029
1507516131
Python
Python (3.4.3)
py
Runtime Error
2104
6976
557
# D - 101 to 010 n = int(input()) s = input() ss = s cnt=0 while "1011" in ss: #print(ss) i = ss.find("1011") j = i+2 while ss[j]=="1" and j<n: #print(j) j+=1 cnt+=j-i-2 ss = ss[:i] + "0"*(j-i-3)+"010" + ss[j:] while "101" in ss: #print("F") m= len(ss) i = 0...
s678452276
p03580
u751663243
1507516095
Python
Python (3.4.3)
py
Runtime Error
2106
489376
766
N = map(int,input()) S = input() def solve(S): if len(S)<3: return 0 if len(S) == 3: if S == '101': return 1 else: return 0 for i in range(len(S)): if S[i] == '1': break for j in range(i,len(S)): if S[j] == '0': brea...