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539k
s358201344
p03722
u745514010
1600278805
Python
PyPy3 (7.3.0)
py
Runtime Error
190
75700
978
n, m = map(int, input().split()) g = [] for _ in range(m): a, b, c = map(int, input().split()) g.append([a - 1, b - 1, -c]) def bellman_ford(s): d = [float('inf')]*n # 各頂点への最小コスト d[s] = 0 # 自身への距離は0 for i in range(n): update = False # 更新が行われたか for x, y, z in g: if d[y] >...
s572014863
p03722
u923662841
1599791144
Python
Python (3.8.2)
py
Runtime Error
466
10348
885
#ABC061D from collections import deque N,M = map(int,input().split()) ABC = [] Adake = [[] for _ in range(M)] Bdake = [[] for _ in range(M)] for i in range(M): a,b,c = map(int, input().split()) ABC.append((a-1,b-1,-c)) Adake[a-1].append(b-1) Bdake[b-1].append(a-1) def dfs(X,s): used = {s} sear...
s388289233
p03722
u761320129
1599610794
Python
Python (3.8.2)
py
Runtime Error
1028
9444
379
N,M = map(int,input().split()) ABC = [tuple(map(int,input().split())) for i in range(M)] INF = float('inf') dist = [INF] * N dist[0] = 0 for i in range(N): for a,b,c in ABC: a,b,c = a-1,b-1,-c if dist[b] > dist[a] + c: dist[b] = dist[a] + c if i==N-1 and to == N-1: ...
s521312443
p03722
u873059840
1599602073
Python
Python (3.8.2)
py
Runtime Error
130
18796
994
N,M= map(int,input().split()) inf = 10**12 + 1 list=[[inf for i in range(N)] for j in range(N)] for i in range (M): a,b,c=map(int,input().split()) list[a-1][b-1]=c flag = [inf for _ in range(N)] value = -inf def depth_search (now,tmp_flag,wage): global value tmp_flag[now] = wage for i in range(0,...
s781048436
p03722
u873059840
1599601995
Python
Python (3.8.2)
py
Runtime Error
195
18636
992
N,M= map(int,input().split()) list=[[0 for i in range(N)] for j in range(N)] for i in range (M): a,b,c=map(int,input().split()) list[a-1][b-1]=c inf = 10**12 + 1 flag = [inf for _ in range(N)] value = -inf def depth_search (now,tmp_flag,wage): global value tmp_flag[now] = wage for i in range(0,N)...
s124250469
p03722
u873059840
1599601435
Python
Python (3.8.2)
py
Runtime Error
120
18672
986
N,M= map(int,input().split()) list=[[0 for i in range(N)] for j in range(N)] for i in range (M): a,b,c=map(int,input().split()) list[a-1][b-1]=c inf = 10**12 + 1 flag = [0 for _ in range(N)] value = -inf def depth_search (now,tmp_flag,wage): global value tmp_flag[now] = wage for i in range(0,N): ...
s685643777
p03722
u437351386
1598718501
Python
PyPy3 (7.3.0)
py
Runtime Error
219
75884
725
#ベルマンフォード法 #正の閉路がない時は普通のベルマンフォード法 n,m=list(map(int,input().split())) es=[] for i in range(m): a,b,c=list(map(int,input().split())) es.append((a-1,b-1,c)) import sys def Bellmanford(n,m,s,es): d=[-float("INF")]*n d[s]=0 cnt=0 while(1): update=False for p,q,r in es: if d[p]!=-float("INF") and d[...
s830964762
p03722
u682672120
1598682669
Python
PyPy3 (7.3.0)
py
Runtime Error
178
79676
1271
from collections import deque def fast_bellman_ford(n, s, graph, edge_n, init_val): #どう? d = [init_val] * n d[s] = 0 q = deque([s]) checker = [-1] * n for i in range(n): m = len(q) for _ in range(m): vf = q.popleft() for vt, w in graph[vf]: if...
s038748612
p03722
u682672120
1598681160
Python
PyPy3 (7.3.0)
py
Runtime Error
128
75496
2035
class FixedSizeQueue: def __init__(self, n, init_val): self.queue = [init_val] * n #根にサイズを負の値で格納する。 self.l = 0 self.r = 0 self.n = n self.size = 0 def append(self, val): if self.size == self.n: raise IndexError('fixed-size-queue is full') self....
s205913130
p03722
u682672120
1598681102
Python
PyPy3 (7.3.0)
py
Runtime Error
128
75456
2031
class FixedSizeQueue: def __init__(self, n, init_val): self.queue = [init_val] * n #根にサイズを負の値で格納する。 self.l = 0 self.r = 0 self.n = n self.size = 0 def append(self, val): if self.size == self.n: raise IndexError('fixed-size-queue is full') self....
s860121081
p03722
u682672120
1598669349
Python
PyPy3 (7.3.0)
py
Runtime Error
111
75892
999
def moores_d(n, s, graph, init_val): d = [init_val] * n d[s] = 0 stack = [s] for _ in range(n): next_stack = [] for _ in range(m): vf = stack.pop() for vt, w in graph[vf]: if d[vt] > d[vf] + w: d[vt] = d[vf] + w ...
s424300434
p03722
u923172145
1598549659
Python
Python (3.8.2)
py
Runtime Error
279
10192
1148
INF = 10**30 def bellman_ford(s, g): d = [INF for _ in range(n)] # 各頂点への最小コスト d[s] = 0 # 自身への距離は0 for i in range(n): update = False # 更新が行われたか for x, y, z in g: if d[y] > d[x] + z: d[y] = d[x] + z update = True if not update: br...
s187058262
p03722
u819135704
1596043426
Python
Python (3.8.2)
py
Runtime Error
32
10124
583
N, M = map(int, input().split()) R = [[] for _ in range(N)] for _ in range(M): a, b, c = map(int, input().split()) R[a - 1].append((b - 1, c)) INF = 10 ** 40 S = [-INF] * N S[0] = 0 def score(fst, s, C): for nx, p in R[fst]: if S[nx] >= s + p or S[nx] >= INF: continue S[nx] = ...
s083293753
p03722
u786020649
1595713984
Python
Python (3.8.2)
py
Runtime Error
37
9992
1463
import sys from collections import defaultdict rl=sys.stdin.readline def main(): n,m=map(int,rl().strip().split()) ewdata=[list(map(int,rl().strip().split())) for _ in range(m)] ew=dict(((x[0],x[1]),x[2]) for x in ewdata) ed=defaultdict(list) deg=defaultdict(int) memo=defaultdict(int) for ...
s192753119
p03722
u730769327
1594798788
Python
PyPy3 (7.3.0)
py
Runtime Error
2211
224208
570
import sys sys.setrecursionlimit(2000) n,m=map(int,input().split()) e=[[]for _ in range(n)] for _ in range(m): a,b,c=map(int,input().split()) e[a-1].append((b-1,c)) def dfs1(now,vis): vis.append(now) if now==n-1: return 0 res=-10**18 for i,c in e[now]: if i not in vis: res=max(dfs1(i,vis[:])+c...
s126009844
p03722
u730769327
1594798704
Python
PyPy3 (7.3.0)
py
Runtime Error
2211
224228
531
n,m=map(int,input().split()) e=[[]for _ in range(n)] for _ in range(m): a,b,c=map(int,input().split()) e[a-1].append((b-1,c)) def dfs1(now,vis): vis.append(now) if now==n-1: return 0 res=-10**18 for i,c in e[now]: if i not in vis: res=max(dfs1(i,vis[:])+c,res) return res def dfs2(now,j,cnt)...
s594768869
p03722
u860002137
1593380433
Python
Python (3.8.2)
py
Runtime Error
568
9512
467
N, M = map(int, input().split()) edge = [list(map(int, input().split())) for _ in range(M)] INF = 1 << 60 cost = [- INF] * (N + 1) cost[1] = 0 for i in range(N): for n, nn, c in edge: if cost[nn] < cost[n] + c: # ワーシャルフロイド法の性質より、N回目に更新があるならinf if i == N - 1 and nn == N: ...
s401444656
p03722
u860002137
1593377738
Python
Python (3.8.2)
py
Runtime Error
2206
25356
792
import sys from collections import defaultdict from collections import deque n, m = map(int, input().split()) graph = defaultdict(list) for _ in range(m): a, b, c = map(int, input().split()) graph[a].append((b, c)) INF = 1 << 60 cost = [- INF] * (n + 1) cost[1] = 0 for _ in range(n): visited = [[False]...
s381893888
p03722
u316464887
1591669753
Python
Python (3.4.3)
py
Runtime Error
402
25316
548
#michatta ... from scipy.sparse import csr_matrix from scipy.sparse.csgraph import shortest_path import scipy def main(): N, M = map(int, input().split()) p = [] q = [] w = [] for _ in range(M): a, b, c = map(int, input().split()) p.append(a-1) q.append(b-1) w.append(...
s712627722
p03722
u316464887
1591669453
Python
Python (3.4.3)
py
Runtime Error
237
17152
556
#michatta ... from scipy.sparse import csr_matrix from scipy.sparse.csgraph import shortest_path import scipy def main(): N, M = map(int, input().split()) p = [] q = [] w = [] for _ in range(M): a, b, c = map(int, input().split()) p.append(a-1) q.append(b-1) w.append(...
s814864877
p03722
u858742833
1591664383
Python
Python (3.4.3)
py
Runtime Error
80
4460
661
def main(): N, M = map(int, input().split()) G = [[] for _ in range(N)] for _ in range(M): a, b, c = map(int, input().split()) G[a - 1].append((b - 1, c)) INF = 10 ** 40 S = [-INF] * N S[0] = 0 cur = set([0]) def helper(n, s, hist): for g, gc in G[n]: ...
s046595967
p03722
u034128150
1591109112
Python
Python (3.4.3)
py
Runtime Error
358
25288
650
import sys from scipy.sparse import csr_matrix from scipy.sparse.csgraph import bellman_ford from scipy.sparse.csgraph._shortest_path import NegativeCycleError input = sys.stdin.buffer.readline N, M = map(int, input().split()) starts = [] ends = [] costs = [] for _ in range(M): a, b, c = map(int, input().split()...
s188678904
p03722
u034128150
1591107512
Python
Python (3.4.3)
py
Runtime Error
243
17264
674
import sys from scipy.sparse import csr_matrix from scipy.sparse.csgraph import bellman_ford from scipy.sparse.csgraph._shortest_path import NegativeCycleError input = sys.stdin.buffer.readline N, M = map(int, input().split()) starts = [] ends = [] costs = [] for _ in range(M): a, b, c = map(int, input().split()...
s262743873
p03722
u446774692
1590624361
Python
Python (3.4.3)
py
Runtime Error
18
2940
401
N,M = map(int,input().split()) abc = [] for _ in range(M): abc.append(list(map(int,input().split()))) cost = [-float('inf')]*N cost[0] = 0 for i in range(2): for a,b,c in abc: a,b = a-1,b-1 cost[b] = max(cost[b], cost[a] + c) if i == 0: ans = cost[N-1] else...
s885329888
p03722
u679520304
1590072742
Python
Python (3.4.3)
py
Runtime Error
17
3064
656
import numpy as np from scipy.sparse.csgraph import shortest_path, floyd_warshall, dijkstra, bellman_ford, johnson from scipy.sparse import csr_matrix N,M = map(int,input().split()) start = [] goal = [] data1 = [] data2 = [] for _ in range(M): a,b,c = map(int,input().split()) start.append(a) goal.append(b) ...
s450688534
p03722
u912862653
1590070626
Python
PyPy3 (2.4.0)
py
Runtime Error
318
65772
1004
from functools import reduce from fractions import gcd import math import bisect import itertools import sys sys.setrecursionlimit(10**7) input = sys.stdin.readline INF = float("inf") MOD = 1000000007 def bellman_ford(edges, num_v, sv): #グラフの初期化 dist = [INF] * num_v dist[sv]=0 #辺の緩和 for i in ...
s770158211
p03722
u119148115
1589682845
Python
PyPy3 (2.4.0)
py
Runtime Error
259
42988
1887
class BellmanFord(): def __init__(self, N): self.N = N self.edges = [] def add(self, u, v, d, directed=False): """ u = from, v = to, d = cost directed = Trueのとき、有向グラフである。 """ if directed is False: self.edges.append([u, v, d]) self....
s175638265
p03722
u476604182
1589677306
Python
Python (3.4.3)
py
Runtime Error
18
3064
562
N,M,*L = map(int, open('0').read().split()) dic = [[] for i in range(N+1)] for a,b,c in zip(*[iter(L)]*3): dic[a].append(b) ok = [False]*(N+1) ok[1] = True q = [1] while q: p = q.pop() for v in dic[p]: if not ok[v]: ok[v] = True q.append(v) cnt = 0 dist = [-10**20]*(N+1) dist[1] = 0 while True: ...
s132056449
p03722
u496687522
1589604642
Python
Python (3.4.3)
py
Runtime Error
689
3376
827
N, M = map(int, input().split()) edges = [] for i in range(M): a, b, c = map(int, input().split()) edges.append([a, b, -c]) def bellman_ford(edges, N): dist = [float('inf') for i in range(N)] dist[0] = 0 for i in range(N-1): for edge in edges: if dist[edge[1] - 1] > dist[edge[0] ...
s553261182
p03722
u497952650
1589455365
Python
Python (3.8.2)
py
Runtime Error
775
9324
609
""" お借りしました. https://tjkendev.github.io/procon-library/python/graph/bellman-ford.html """ N,M = map(int,input().split()) V = N G = [[] for _ in range(M)] for i in range(M): a,b,c = map(int,input().split()) G[a-1].append((b-1,-c)) INF = 10**18 dist = [INF] * V dist[0] = 0 update = 1 for _ in range(V): upda...
s496236202
p03722
u203843959
1588785501
Python
Python (3.4.3)
py
Runtime Error
25
3440
1670
import sys sys.setrecursionlimit(10**9) N,M=map(int,input().split()) def find_negative_loop(n,w,es): dist=[float("inf")]*n #この始点はどこでもよい dist[1]=0 for i in range(n): for j in range(w): e=es[j] if dist[e[1]]>dist[e[0]]+e[2]: dist[e[1]]=dist[e[0]]+e[2] if i==n-1: retur...
s342996674
p03722
u203843959
1588782138
Python
Python (3.4.3)
py
Runtime Error
1882
709484
1564
import sys sys.setrecursionlimit(10**9) N,M=map(int,input().split()) def find_negative_loop(n,w,es): dist=[float("inf")]*n #この始点はどこでもよい dist[1]=0 for i in range(n): for j in range(w): e=es[j] if dist[e[1]]>dist[e[0]]+e[2]: dist[e[1]]=dist[e[0]]+e[2] if i==n-1: retur...
s004664259
p03722
u203843959
1588781945
Python
Python (3.4.3)
py
Runtime Error
1767
709484
1542
import sys sys.setrecursionlimit(10**9) N,M=map(int,input().split()) def find_negative_loop(n,w,es): dist=[float("inf")]*n #この始点はどこでもよい dist[1]=0 for i in range(n): for j in range(w): e=es[j] if dist[e[1]]>dist[e[0]]+e[2]: dist[e[1]]=dist[e[0]]+e[2] if i==n-1: retur...
s564176523
p03722
u203843959
1588781899
Python
Python (3.4.3)
py
Runtime Error
335
4376
1502
N,M=map(int,input().split()) def find_negative_loop(n,w,es): dist=[float("inf")]*n #この始点はどこでもよい dist[1]=0 for i in range(n): for j in range(w): e=es[j] if dist[e[1]]>dist[e[0]]+e[2]: dist[e[1]]=dist[e[0]]+e[2] if i==n-1: return True return False def shortest_path...
s202075017
p03722
u952467214
1588642973
Python
Python (3.4.3)
py
Runtime Error
392
3444
849
import sys sys.setrecursionlimit(10 ** 7) input = sys.stdin.readline n, m = map(int, input().split()) abc = [tuple(map(int,input().split())) for i in range(m)] es = [[] for i in range(n)] for i,(a,b,c) in enumerate(abc): a,b = a-1,b-1 es[i]=[a,b,c] INF = float('inf') #True : 負の経路が存在する def find_negative_loop...
s315333478
p03722
u349091349
1588571298
Python
PyPy3 (2.4.0)
py
Runtime Error
182
38384
659
import sys def BellmanFord(edges,num_v,source): #グラフの初期化 inf=float("inf") dist=[inf for i in range(num_v)] dist[source-1]=0 #辺の緩和 for i in range(num_v): for edge in edges: #print(dist) if edge[0] != inf and dist[edge[1]-1] > dist[edge[0]-1] + edge[2]: ...
s482421325
p03722
u042113240
1588342102
Python
Python (3.4.3)
py
Runtime Error
17
2940
652
N, M = map(int, input().split()) adjacent = [] score = ['None' for i in range(N)] score[0] = 0 for i in range(M): a, b, c = map(int, input().split()) adjacent.append([a-1, b-1, c]) for i in range(2N): for j in adjacent: if score[j[1]] == 'None' and score[j[0]] != 'None': score[j[1]] = score[j[...
s568515682
p03722
u042113240
1588339740
Python
Python (3.4.3)
py
Runtime Error
1149
3424
632
N, M = map(int, input().split()) adjacent = [] score = ['None' for i in range(N)] score[0] = 0 for i in range(M): a, b, c = map(int, input().split()) adjacent.append([a-1, b-1, c]) for i in range(N-1): for j in adjacent: if score[j[1]] == 'None' and score[j[0]] != 'None': score[j[1]] = score[j...
s480083396
p03722
u843135954
1587685457
Python
Python (3.4.3)
py
Runtime Error
118
36476
843
import sys stdin = sys.stdin sys.setrecursionlimit(10**6) ni = lambda: int(ns()) na = lambda: list(map(int, stdin.readline().split())) nn = lambda: list(stdin.readline().split()) ns = lambda: stdin.readline().rstrip() import copy n,m = na() g = [[] for i in range(n)] for i in range(m): a,b,c = na() a,b = a-1...
s289974811
p03722
u145600939
1587676525
Python
PyPy3 (2.4.0)
py
Runtime Error
269
45680
928
class BellmanFord: def __init__(self,v,start): self.inf = float('inf') self.dist = [self.inf]*v self.dist[start] = 0 self.edge = [] self.v = v def add(self,f,t,cost): self.edge.append((f,t,cost)) def build(self,gorl): for _ in range(self.v - ...
s138759516
p03722
u189479417
1587589015
Python
Python (3.4.3)
py
Runtime Error
993
3572
651
import sys N, M = map(int,input().split()) es = [] for _ in range(M): e = list(map(int,input().split())) e[2] *= -1 es.append(e) INF = float('inf') d = [INF for _ in range(N+1)] d[1] = 0 negative = [0 for _ in range(N+1)] for i in range(N): for j in range(M): e = es[j] if d[e[1]] > d[e...
s654387941
p03722
u931173291
1587141003
Python
Python (3.4.3)
py
Runtime Error
162
3444
485
n,m=map(int,input().split()) x=[list(map(int,input().split())) for i in range(m)] dp=[0 for i in range(n+1)] import sys # for i in range(m): # if x[i][0]: # print('inf') # sys.exit() for i in range(2,n+1): ans=[] for k in range(m): if x[k][1]==i: if x[k][1]<=x[k][0]: ...
s941952145
p03722
u931173291
1587140685
Python
Python (3.4.3)
py
Runtime Error
156
3480
369
n,m=map(int,input().split()) x=[list(map(int,input().split())) for i in range(m)] dp=[0 for i in range(n+1)] import sys for i in range(m): if x[i][0]==n: print('inf') sys.exit() for i in range(2,n+1): ans=[] for k in range(m): if x[k][1]==i: ans.append(dp[x[k][0]]+x[k][2]...
s774960132
p03722
u931173291
1587139269
Python
Python (3.4.3)
py
Runtime Error
166
3444
371
n,m=map(int,input().split()) x=[list(map(int,input().split())) for i in range(m)] dp=[0 for i in range(n+1)] import sys for i in range(m): if x[i][0]==n: print('inf') sys.exit() for i in range(2,n+1): ans=[] for k in range(m): if x[k][1]==i: ans.append(dp[x[k][0]]+x[k][2]...
s260970279
p03722
u181801282
1587086701
Python
Python (3.4.3)
py
Runtime Error
2112
21776
534
N,M=map(int,input().split()) V=[False]*N G=[[False for _ in range(N)] for _ in range(N)] W=[[0 for _ in range(N)] for _ in range(N)] for i in range(M): a,b,c=map(int,input().split()) G[a-1][b-1]=True G[b-1][a-1]=True W[a-1][b-1]=c W[b-1][a-1]=c flg=False ans=0 def dfs(v,w): global ans, flg if v==N-1: ...
s490123616
p03722
u790710233
1586560578
Python
Python (3.4.3)
py
Runtime Error
308
37484
444
from scipy.sparse.csgraph import csgraph_from_dense, bellman_ford from scipy.sparse.csgraph._shortest_path import NegativeCycleError n, m = map(int, input().split()) GRAPH = [[0]*n for _ in range(n)] for _ in range(m): a, b, c = map(int, input().split()) a -= 1 b -= 1 GRAPH[a][b] = -c try: sp = b...
s548675619
p03722
u654470292
1586497531
Python
PyPy3 (2.4.0)
py
Runtime Error
164
38384
2292
import sys from collections import * import heapq import math import bisect from itertools import permutations,accumulate,combinations,product from fractions import gcd def input(): return sys.stdin.readline()[:-1] def ruiseki(lst): return [0]+list(accumulate(lst)) mod=pow(10,9)+7 al=[chr(ord('a') + i) for i in...
s178443695
p03722
u479638406
1585880932
Python
Python (3.4.3)
py
Runtime Error
944
3700
514
n, m = map(int, input().split()) a = [list(map(int, input().split())) for _ in range(m)] a = [[a[i][0], a[i][1], a[i][2]*(-1)] for i in range(m)] point = [0] + ['inf']*(n-1) for j in range(n): for i in range(m): if point[a[i][1]-1] == 'inf' or point[a[i][1]-1] > point[a[i][0]-1] + a[i][2]: point[a[i]...
s718038094
p03722
u479638406
1585880530
Python
Python (3.4.3)
py
Runtime Error
914
3700
491
n, m = map(int, input().split()) a = [list(map(int, input().split())) for _ in range(m)] a = [[a[i][0], a[i][1], a[i][2]*(-1)] for i in range(m)] point = [0] + ['inf']*(n-1) for j in range(n): for i in range(m): if point[a[i][1]-1] == 'inf' or point[a[i][1]-1] > point[a[i][0]-1] + a[i][2]: point[a[i]...
s974442074
p03722
u479638406
1585879637
Python
Python (3.4.3)
py
Runtime Error
919
3700
494
n, m = map(int, input().split()) a = [list(map(int, input().split())) for _ in range(m)] a = [[a[i][0], a[i][1], a[i][2]*(-1)] for i in range(m)] point = [0] + ['inf']*(n-1) for j in range(n): for i in range(m): if point[a[i][1]-1] == 'inf' or point[a[i][1]-1] > point[a[i][0]-1] + a[i][2]: point[a[i]...
s726033626
p03722
u704284486
1585423778
Python
Python (3.4.3)
py
Runtime Error
966
3308
1322
INF = float('inf') class BellmanFord: def bellmanford(self,s,V,E): dist = [INF for _ in range(V)] dist[s] = 0 while (True): update = False for e in E: u,v,cost = e if dist[u] != INF and dist[v] > dist[u] + cost: ...
s306548834
p03722
u704284486
1585423735
Python
Python (3.4.3)
py
Runtime Error
25
3308
1322
INF = float('inf') class BellmanFord: def bellmanford(self,s,V,E): dist = [INF for _ in range(V)] dist[s] = 0 while (True): update = False for e in E: u,v,cost = e if dist[u] != INF and dist[v] > dist[u] + cost: ...
s023572224
p03722
u955251526
1584875342
Python
Python (3.4.3)
py
Runtime Error
17
2940
430
n, m = map(int, input().split()) edge = [tuple(map(int, input().split())) for _ in range(m)] inf = 10 ** 18 dis = [inf] * n dis[0] = 0 for z in range(n+1) update = False for a, b, c in edge: a -= 1 b -= 1 if dis[a] != inf and dis[b] > dis[a] - c: dis[b] = dis[a] - c ...
s653421533
p03722
u955251526
1584874414
Python
Python (3.4.3)
py
Runtime Error
611
3316
428
n, m = map(int, input().split()) edge = [tuple(map(int, input().split())) for _ in range(m)] inf = 10 ** 18 dis = [inf] * n dis[0] = 0 for z in range(n+1): update = False for a, b, c in edge: a -= 1 a -= 1 if dis[a] != inf and dis[b] > dis[a] - c: dis[b] = dis[a] - c ...
s974064959
p03722
u358254559
1584808951
Python
PyPy3 (2.4.0)
py
Runtime Error
577
46808
908
n,m = map(int, input().split()) link = [] for i in range(m): tmp = list(map(int,input().split())) link.append([tmp[0]-1,tmp[1]-1,-tmp[2]]) def bell(edges, start,num_v): cost = [float('inf')] * num_v cost[start] = 0 for _ in range(num_v): updated = False for a, b, c in edges: ...
s359330013
p03722
u358254559
1584808864
Python
PyPy3 (2.4.0)
py
Runtime Error
323
45032
899
n,m = map(int, input().split()) link = [] for i in range(m): tmp = list(map(int,input().split())) link.append([tmp[0]-1,tmp[1]-1,-tmp[2]]) def bell(edges, start,num_v): cost = [float('inf')] * num_v cost[start] = 0 for _ in range(num_v): updated = False for a, b, c in edges: ...
s679758807
p03722
u170324846
1584044655
Python
PyPy3 (2.4.0)
py
Runtime Error
367
48232
585
V, E = map(int, input().split()) G = [[] for i in range(V+1)] for i in range(E): a, b, c = map(int, input().split()) G[a-1].append((b-1, 0-c)) G[V-1].append((V, 0)) INF = float('inf') dist = [INF] * (V + 1) dist[0] = 0 Flag = False for i in range(V+1): UnUpdate = True for v, e in enumerate(G): ...
s866061834
p03722
u893063840
1583800040
Python
Python (3.4.3)
py
Runtime Error
2108
43808
1043
from scipy.sparse.csgraph import bellman_ford, csgraph_from_dense, NegativeCycleError import numpy as np n, m = map(int, input().split()) abc = [list(map(int, input().split())) for _ in range(m)] adj = [[] for _ in range(n)] for a, b, c in abc: a -= 1 b -= 1 adj[a].append([b, -c]) g = [[np.inf] * n for _ in range...
s682252858
p03722
u893063840
1583798787
Python
Python (3.4.3)
py
Runtime Error
567
43860
988
from scipy.sparse.csgraph import bellman_ford, csgraph_from_dense import numpy as np n, m = map(int, input().split()) abc = [list(map(int, input().split())) for _ in range(m)] adj = [[] for _ in range(n)] for a, b, c in abc: a -= 1 b -= 1 adj[a].append([b, -c]) g = [[np.inf] * n for _ in range(n)] def dfs(s): ...
s900667512
p03722
u893063840
1583798729
Python
Python (3.4.3)
py
Runtime Error
594
69168
977
from scipy.sparse.csgraph import bellman_ford from scipy.sparse import csr_matrix import numpy as np n, m = map(int, input().split()) abc = [list(map(int, input().split())) for _ in range(m)] adj = [[] for _ in range(n)] for a, b, c in abc: a -= 1 b -= 1 adj[a].append([b, -c]) g = [[np.inf] * n for _ in range(n)]...
s466938566
p03722
u498487134
1583698630
Python
PyPy3 (2.4.0)
py
Runtime Error
195
39920
2439
import sys input = sys.stdin.readline def I(): return int(input()) def MI(): return map(int, input().split()) def LI(): return list(map(int, input().split())) class BellmanFord(): class Edge(): """ 重み付き有向辺 """ def __init__(self, _from, _to, _cost): self.from_ = _from self.t...
s286384348
p03722
u237362582
1582758011
Python
PyPy3 (2.4.0)
py
Runtime Error
543
47192
916
N, M = map(int, input().split()) paths = [list(map(int, input().split())) for _ in range(M)] minimumScore = [-float('inf') for _ in range(N)] minimumScore[0] = 0 count = 0 while count < N: flag = False for a, b, c in paths: if minimumScore[a-1] == -float('inf'): continue if minimumS...
s480856560
p03722
u665873062
1582646937
Python
Python (3.4.3)
py
Runtime Error
17
3064
1296
#Nは頂点数, Mは辺数(2 <= N <= 1000, 1 <= M <= min(N(N-1, 2000))) #頂点1から頂点Nに移動して、移動スコアを最大にする #->移動スコアを正負反転させれば最短経路問題 #->負閉路を考慮してベルマンフォード法を利用 INF = 1 << 50 N,M = map(int,input().split()) #辺を登録 Sides = [] for i in range (M): Sides.append(map(int,input().split())) #コストを反転 Sides[i][2] = Sides[i][2] * (-1) #各頂点の最短距離を初期化 ...
s403620751
p03722
u476604182
1582412262
Python
PyPy3 (2.4.0)
py
Runtime Error
189
39152
946
N, M, *L = map(int, open(0).read().split()) dic = defaultdict(list) rdic = defaultdict(list) nin = [0]*N Els = [] for a,b,c in zip(*[iter(L)]*3): dic[a-1] += [b-1] rdic[b-1] += [a-1] nin[b-1] += 1 Els += [(a-1,b-1,-c)] To = [False]*N From = [False]*N q = [0] To[0] = True while q: p = q.pop() for e in dic[p...
s164915524
p03722
u779455925
1582070965
Python
PyPy3 (2.4.0)
py
Runtime Error
354
68712
1094
from bisect import * from collections import * from fractions import gcd from math import factorial from itertools import * from heapq import * import copy #input() N,M=map(int,input().split()) ABC=[list(map(int,input().split())) for i in range(M)] data=[[] for i in range(N+1)] for a,b,c in ABC: data[a].append([b,c...
s811338782
p03722
u311379832
1581880800
Python
PyPy3 (2.4.0)
py
Runtime Error
371
47576
691
INF = 10 ** 18 N, M = map(int, input().split()) abc = [] d = [INF] * N d[0] = 0 loop = [False] * N for i in range(M): a, b, c = map(int, input().split()) abc.append([a - 1, b - 1, -c]) for j in range(N): for i in range(M): if d[abc[i][1]] > d[abc[i][0]] + abc[i][2]: d[abc[i][1]] = d[a...
s591279906
p03722
u311379832
1581880704
Python
PyPy3 (2.4.0)
py
Runtime Error
384
48088
713
INF = 10 ** 18 N, M = map(int, input().split()) abc = [] d = [INF] * N d[0] = 0 loop = [False] * N for i in range(M): a, b, c = map(int, input().split()) abc.append([a - 1, b - 1, -c]) for j in range(N): for i in range(M): if d[abc[i][0]] != INF and d[abc[i][1]] > d[abc[i][0]] + abc[i][2]: ...
s989485961
p03722
u905582793
1581229385
Python
Python (3.4.3)
py
Runtime Error
274
14340
465
import scipy from scipy.sparse import csr_matrix from scipy.sparse.csgraph import bellman_ford n,m = map(int,input().split()) evv = [list(map(int,input().split())) for i in range(m)] for i in range(m): evv[i][2] = -evv[i][2] evv[i][0] -= 1 evv[i][1] -= 1 v1,v2,edge = zip(*evv) csr = csr_matrix((edge,(v1,v2)),sha...
s819965030
p03722
u702786238
1581108612
Python
Python (3.4.3)
py
Runtime Error
24
3188
588
def BellmanFord(sv, ev, cv, num_v, source): #グラフの初期化 inf=float("inf") dist=[inf for i in range(num_v)] dist[source-1]=0 #辺の緩和 for i in range(num_v): for s,e,c in zip(sv, ev, cv): if dist[0] != inf and dist[e-1] > dist[s-1] + c: dist[e-1] = dist[s-1] + c if i == n-1 and e == n-1:...
s438550403
p03722
u702786238
1581107484
Python
Python (3.4.3)
py
Runtime Error
842
3316
579
def BellmanFord(sv, ev, cv, num_v, source): #グラフの初期化 inf=float("inf") dist=[inf for i in range(num_v)] dist[source-1]=0 #辺の緩和 for i in range(num_v): for s,e,c in zip(sv, ev, cv): if dist[0] != inf and dist[e-1] > dist[s-1] + c: dist[e-1] = dist[s-1] + c if i==num_v-1: return "in...
s707834282
p03722
u702786238
1581107423
Python
Python (3.4.3)
py
Runtime Error
835
3188
564
def BellmanFord(sv, ev, cv, num_v, source): #グラフの初期化 inf=float("inf") dist=[inf for i in range(num_v)] dist[source-1]=0 #辺の緩和 for i in range(num_v): for s,e,c in zip(sv, ev, cv): if dist[0] != inf and dist[e-1] > dist[s-1] + c: dist[e-1] = dist[s-1] + c if i==num_v-1: return 1 ...
s738109043
p03722
u702786238
1581107272
Python
Python (3.4.3)
py
Runtime Error
842
3316
564
def BellmanFord(sv, ev, cv, num_v, source): #グラフの初期化 inf=float("inf") dist=[inf for i in range(num_v)] dist[source-1]=0 #辺の緩和 for i in range(num_v): for s,e,c in zip(sv, ev, cv): if dist[0] != inf and dist[e-1] > dist[s-1] + c: dist[e-1] = dist[s-1] + c if i==num_v-1: return -1 ...
s254089009
p03722
u170183831
1580952761
Python
Python (3.4.3)
py
Runtime Error
370
3444
533
def solve(n, m, ABC): distance = [None] * n distance[0] = 0 for _ in range(n): for a, b, c in ABC: if distance[b - 1] is None or distance[b - 1] < distance[a - 1] + c: distance[b - 1] = distance[a - 1] + c for a, b, c in ABC: if distance[b - 1] is None or di...
s322372860
p03722
u170183831
1580951472
Python
Python (3.4.3)
py
Runtime Error
827
3572
558
def solve(n, m, ABC): distance = [None] * n distance[0] = 0 for _ in range(n): for a, b, c in ABC: if distance[a - 1] is not None and \ (distance[b - 1] is None or distance[b - 1] < distance[a - 1] + c): distance[b - 1] = distance[a - 1] + c for a, b...
s941898061
p03722
u170183831
1580951397
Python
Python (3.4.3)
py
Runtime Error
17
2940
556
def solve(n, m, ABC): distance = [None] * n distance[0] = 0 for _ in range(n): for a, b, c in ABC: if distance[a - 1] is not None and (distance[b - 1] is None or distance[b - 1] < distance[a - 1] + c): distance[b - 1] = distance[a - 1] + c for a, b, ...
s233550509
p03722
u170183831
1580951288
Python
Python (3.4.3)
py
Runtime Error
463
3568
556
def solve(n, m, ABC): distance = [None] * n distance[0] = 0 for _ in range(n): for a, b, c in ABC: if distance[a - 1] is not None and \ distance[b - 1] is None or distance[b - 1] < distance[a - 1] + c: distance[b - 1] = distance[a - 1] + c for a, b, ...
s943161936
p03722
u170183831
1580951179
Python
Python (3.4.3)
py
Runtime Error
24
3444
511
def solve(n, m, ABC): distance = [None] * n distance[0] = 0 for _ in range(n): for a, b, c in ABC: if distance[a - 1] is not None and distance[b - 1] < distance[a - 1] + c: distance[b - 1] = distance[a - 1] + c for a, b, c in ABC: if distance[b - 1] < distan...
s231838620
p03722
u170183831
1580950219
Python
Python (3.4.3)
py
Runtime Error
84
4920
764
def solve(n, m, ABC): g = [[] for _ in range(n)] for a, b, c in ABC: g[a - 1].append((b - 1, c)) distance = [-10 ** 10] * n distance[0] = 0 parents = [-1] * n ng = [False] def search(node): if ng[0]: return for to, d in g[node]: if node == pa...
s558364116
p03722
u594244257
1580944824
Python
Python (3.4.3)
py
Runtime Error
88
4480
1205
def solve(): N,M = map(int, input().split()) graph_cod = [[] for _ in range(N+1)] min_val = -1*(10**18) INF = 10**18 for _ in range(M): a,b,c = map(int, input().split()) graph_cod[b].append((a,c)) ret = 0 stack = [N] searched = [False]*(N+1) searched_nodes = ...
s033418157
p03722
u280978334
1580679593
Python
PyPy3 (2.4.0)
py
Runtime Error
193
38512
1000
from math import ceil,log2 def Bellman_Ford(node_num:int,start:int,VWC:list)->list: Ans = [float("inf")]*(node_num + 1) node = start Ans[start] = 0 changeable = {} for v,w,c in VWC: if v not in changeable: changeable[v] = True if w not in changeable: changeab...
s088961529
p03722
u386170566
1580263346
Python
Python (3.4.3)
py
Runtime Error
960
3360
634
#ABC061D - Score Attack #https://atcoder.jp/contests/abc061/tasks/abc061_d #自己考察 import sys n, m = list(map(int,input().split())) lst = [[] for _ in range(n+1)]#*(n+1)の挙動がよくわからない for i in range(n): a, b, c = list(map(int,input().split())) lst[a].append((b,-c)) dp = [float("Inf")]*(n+1) dp[1] = 0 for _ in rang...
s107298034
p03722
u576917603
1579754119
Python
Python (3.4.3)
py
Runtime Error
26
3424
1120
def shortest_path(s,n,w,es): #s→iの最短距離 # s:始点, n:頂点数, w:辺の数, es[i]: [辺の始点,辺の終点,辺のコスト] d = [float('inf')] * n #d[i] : s→iの最短距離 d[s] = 0 while True: update = False for p,q,r in es: # e: 辺iについて [from,to,cost] #print(d,p,q,r) if d[p] != float('inf') and d[q] >...
s710443837
p03722
u353797797
1578354457
Python
Python (3.4.3)
py
Runtime Error
21
3316
985
import sys from collections import defaultdict 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 LI(): return list(map(int, sys.stdin.readline().split())) def LLI(rows_num...
s748642913
p03722
u572193732
1578172766
Python
Python (3.4.3)
py
Runtime Error
577
3388
506
INF = float('inf') def bellmanford(n, edges, r): # r : start d = [INF] * n d[r] = 0 for i in range(n): for (u, v, c) in edges: if d[u] != INF and d[u] + c < d[v]: d[v] = d[u] + c if i == n-1 and v == n-1: return 'inf' return d[n-1]...
s791089717
p03722
u588341295
1578028924
Python
Python (3.4.3)
py
Runtime Error
17
3064
1819
# -*- coding: utf-8 -*- import sys 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(c)] for j in range(b)] for i in range(a...
s307345337
p03722
u581187895
1577835650
Python
Python (3.4.3)
py
Runtime Error
178
15988
893
import numpy as np from scipy.sparse import csr_matrix from scipy.sparse.csgraph import bellman_ford from scipy.sparse.csgraph import connected_components N,M = map(int,input().split()) ABC = [list(map(int,input().split())) for _ in range(N)] row, col, val = zip(*ABC) # -1倍しておいて最短路問題にする val = [-(x) for x in val] grap...
s535479605
p03722
u231122239
1577656373
Python
Python (3.4.3)
py
Runtime Error
837
3444
1292
def bellman_ford(edges, n, src): # n:ノード数, src:スタートノード # edges:edge(src, tgt, cost)のリスト inf = float('inf') dist = [inf for _ in range(n)] dist[src] = 0 # 移動経路 pre = {} # 最短経路算出 for i in range(n-1): for edge in edges: # srcにコストがあり、tgtのコストよりも低いコストで更新できそうなら ...
s948512744
p03722
u944460773
1576714576
Python
Python (3.4.3)
py
Runtime Error
711
4072
2304
# coding:utf-8 from pprint import pprint def bellman_ford(V, E, s): """ 始点sから残りのノードへの最短経路を求めるベルマンフォード法 :param V: 頂点数 :param E: (ノード1, ノード2, コスト)のタプルのリスト :param s: 始点とするノード :return : (距離リスト, 最短経路, 負の辺によるループが存在するか)a """ ##### 前処理 ##### from collections import defaultdict # INFの定義 ...
s026629911
p03722
u825769322
1576714201
Python
Python (3.4.3)
py
Runtime Error
19
3064
2455
from pprint import pprint def bellman_ford(V, E, s): """ 始点sから残りのノードへの最短経路を求めるベルマンフォード法 :param V: 頂点数 :param E: (ノード1, ノード2, コスト)のタプルのリスト :param s: 始点とするノード :return : (距離リスト, 最短経路, 負の辺によるループが存在するか)a """ ##### 前処理 ##### from collections import defaultdict # INFの定義 INF = -10 ** 10...
s344694261
p03722
u190406011
1575659460
Python
PyPy3 (2.4.0)
py
Runtime Error
264
42732
981
import sys n, m = [int(i) for i in sys.stdin.readline().split()] graph = {i : [] for i in range(n)} edge_ls = [] for i in range(m): a, b, c = [int(i) for i in sys.stdin.readline().split()] a -= 1 b -= 1 graph[a].append((b, c)) edge_ls.append((a, b, c)) INF = float("inf") d = [-INF for i in range(n)...
s990366409
p03722
u470542271
1575523291
Python
Python (3.4.3)
py
Runtime Error
784
45652
304
n, m = map(int, input().split()) abc = [list(map(int, input().split())) for _ in range(m)] cost = [[float('inf')] * n for _ in range(n)] for a, b, c in abc: cost[a-1][b-1] = -c from scipy.sparse.csgraph import floyd_warshall dist = floyd_warshall(cost) # print(int(-1 * dist[0][n-1])) print('inf')
s817946566
p03722
u470542271
1575522923
Python
Python (3.4.3)
py
Runtime Error
783
45660
296
n, m = map(int, input().split()) abc = [list(map(int, input().split())) for _ in range(m)] cost = [[float('inf')] * n for _ in range(n)] for a, b, c in abc: cost[a-1][b-1] = -c from scipy.sparse.csgraph import floyd_warshall dist = floyd_warshall(cost) print(int(round(-1 * dist[0][n-1])))
s344317304
p03722
u682985065
1574568462
Python
PyPy3 (2.4.0)
py
Runtime Error
466
45400
784
def bellman_ford(n, edges, s, distance=None): if distance != None: d = distance.copy() else : d = [float('inf')] * n d[s] = 0 loop_cnt = 0 while True: loop_cnt += 1 update = False for i in range(len(edges)): e = edges[i] if d[e...
s447153782
p03722
u682985065
1574565829
Python
Python (3.4.3)
py
Runtime Error
1191
3388
670
def bellman_ford(n, edges, s): d = [float('inf')] * n d[s] = 0 loop_cnt = 0 while True: loop_cnt += 1 update = False for i in range(len(edges)): e = edges[i] if d[e[0]] != float('inf') and d[e[1]] > d[e[0]] + e[2]: d[e[1]] = d[e[0]] + ...
s402400211
p03722
u504836877
1574555393
Python
Python (3.4.3)
py
Runtime Error
458
3316
1029
N,M = map(int, input().split()) E = [[] for _ in range(N)] for _ in range(M): a, b, c = map(int, input().split()) E[a-1].append((b-1, -c)) #ベルマンフォード法:負閉路の検出とある一点から他のすべての点への最短距離の算出 def BellmanFord(E, N, M, source): #E:E[a]は頂点aを始点とする辺のリストであり、辺の終点bと辺の重みwが(b, w)の形で格納されている #N:頂点の数 #M:辺の数 #...
s658528606
p03722
u073852194
1574207755
Python
PyPy3 (2.4.0)
py
Runtime Error
426
47576
947
INF = 10**18 N,M = map(int,input().split()) edge = [list(map(int,input().split())) for i in range(M)] graph = [[] for _ in range(N)] for e in edge: graph[e[0]-1].append([e[1]-1,-e[2]]) dist = [INF for _ in range(N)] dist[0] = 0 for _ in range(N): flag = False for node,g in enumerate(graph): ...
s400463715
p03722
u073852194
1574207499
Python
PyPy3 (2.4.0)
py
Runtime Error
417
47576
932
INF = 10**18 N,M = map(int,input().split()) edge = [list(map(int,input().split())) for i in range(M)] graph = [[] for _ in range(N)] for e in edge: graph[e[0]-1].append([e[1]-1,-e[2]]) dist = [INF for _ in range(N)] dist[0] = 0 for _ in range(N): flag = False for node,g in enumerate(graph): ...
s166786574
p03722
u879870653
1574191242
Python
Python (3.4.3)
py
Runtime Error
2110
35588
507
from scipy.sparse.csgraph import csgraph_from_dense, bellman_ford mINF = -(10**16) n,m = map(int,input().split()) A = [0]*m B = [0]*m C = [0]*m for i in range(m) : a, b, c = map(int,input().split()) A[i], B[i], C[i] = a-1, b-1, -c graph = [[mINF]*n for i in range(n)] for i in range(m) : graph[A[i]][B[i]] =...
s798063170
p03722
u476383383
1573311310
Python
Python (3.4.3)
py
Runtime Error
18
2940
1331
#include <bits/stdc++.h> using namespace std; #define ALL(x) (x).begin(), (x).end() #define ALLTRUE(xs) all_of(ALL(xs),[](bool x){return x;}) #define AND(x,y,z) set_intersection((x).begin(),(x).end(),(y).begin(),(y).end(),inserter((z),(z).end())) #define ANYTRUE(xs) any_of(ALL(xs),[](bool x){return x;}) #define CONCA...
s597920466
p03722
u593590006
1571711078
Python
Python (3.4.3)
py
Runtime Error
2108
4876
2152
# Python program to print all paths from a source to destination. cnt=0 ans=0 from collections import defaultdict from collections import Counter def check(arr): #print(arr) ans=0 for i in range(1,len(arr)): ans+=e[(arr[i-1],arr[i])] # print(ans) return ans maxi=-10**1999 mini=10**9...