Problem p03305 (python)

Fixed submission:
import heapq
n, m, s, t = map(int, input().split())
INF = 2**63-1
data = []
for _ in range(m):
    data.append(list(map(int, input().split())))

check = [False for i in range(n+1)]
graph = [[] for i in range(n+1)]

for i in range(m):
    graph[data[i][0]].append([data[i][1], data[i][2], data[i][3]])
    graph[data[i][1]].append([data[i][0], data[i][2], data[i][3]])
city_yen_cost = [INF for i in range(n+1)]
city_yen_cost[s] = 0
queue = []
#[cost, vertex]
heapq.heappush(queue, [0, s])
while len(queue) > 0:
    now = heapq.heappop(queue)
    if check[now[1]]:
        continue
    else:
        check[now[1]] = True
        for path in graph[now[1]]:
            if city_yen_cost[now[1]]+path[1] < city_yen_cost[path[0]]:
                city_yen_cost[path[0]] = min(city_yen_cost[now[1]]+path[1], city_yen_cost[path[0]])
                if not check[path[0]]:
                    heapq.heappush(queue, [city_yen_cost[now[1]]+path[1], path[0]])




check = [False for i in range(n+1)]
city_snuke_cost = [INF for i in range(n+1)]
city_snuke_cost[t] = 0
queue = []
heapq.heappush(queue, [0, t])
while len(queue) > 0:
    now = heapq.heappop(queue)
    if check[now[1]]:
        continue
    else:
        check[now[1]] = True
        for path in graph[now[1]]:
            if city_snuke_cost[now[1]]+path[2] < city_snuke_cost[path[0]]:
                city_snuke_cost[path[0]] = min(city_snuke_cost[now[1]]+path[2], city_snuke_cost[path[0]])
                if not check[path[0]]:
                    heapq.heappush(queue, [city_snuke_cost[now[1]]+path[2], path[0]])


totalcost = [None] * (n+1)
for i in range(n+1):
    totalcost[i] = city_yen_cost[i] + city_snuke_cost[i]
for i in range(n):
    totalcost[-i-2] = min(totalcost[-i-2], totalcost[-i-1])
for i in range(n):
    print(10**15-totalcost[i+1])

Buggy submission (verdict: Runtime Error):
import heapq
n, m, s, t = map(int, input().split())
INF = 10**20
data = []
for _ in range(m):
    data.append(list(map(int, input().split())))

check = [False] * (n+1)
graph = [[] for i in range(n+1)]

for i in range(m):
    graph[data[i][0]].append([data[i][1], data[i][2], data[i][3]])
    graph[data[i][1]].append([data[i][0], data[i][2], data[i][3]])
city_yen_cost = [INF] * (n+1)
city_yen_cost[s] = 0
queue = []
#[cost, vertex]
heapq.heappush(queue, [0, s])
count = 0
while count != n:
    now = heapq.heappop(queue)
    if check[now[1]]:
        continue
    else:
        count += 1
        check[now[1]] = True
        for path in graph[now[1]]:
            if not check[path[0]]:
                if city_yen_cost[now[1]]+path[1] < city_yen_cost[path[0]]:
                    city_yen_cost[path[0]] = city_yen_cost[now[1]]+path[1]
                    heapq.heappush(queue, [city_yen_cost[now[1]]+path[1], path[0]])




check = [False] * (n+1)
city_snuke_cost = [INF] * (n+1)
city_snuke_cost[t] = 0
queue = []
heapq.heappush(queue, [0, t])
count = 0
while count != n:
    now = heapq.heappop(queue)
    if check[now[1]]:
        continue
    else:
        count += 1
        check[now[1]] = True
        for path in graph[now[1]]:
            if not check[path[0]]:
                if city_snuke_cost[now[1]]+path[2] < city_snuke_cost[path[0]]
                    city_snuke_cost[path[0]] = city_snuke_cost[now[1]]+path[2]
                    heapq.heappush(queue, [city_snuke_cost[now[1]]+path[2], path[0]])


for i in range(n+1):
    city_yen_cost[i] += city_snuke_cost[i]
for i in range(n):
    city_yen_cost[-i-2] = min(city_yen_cost[-i-2], city_yen_cost[-i-1])
for i in range(n):
    print(10**15-city_yen_cost[i+1])

Buggy submission (verdict: Runtime Error):
import heapq
n, m, s, t = map(int, input().split())
INF = 10*20-1
data = []
for _ in range(m):
    data.append(list(map(int, input().split())))

check = [False] * (n-1)
graph = [[] for i in range(n+1)]

for i in range(m):
    graph[data[i][0]].append([data[i][1], data[i][2], data[i][3]])
    graph[data[i][1]].append([data[i][0], data[i][2], data[i][3]])
city_yen_cost = [INF] * (n+1)
city_yen_cost[s] = 0
queue = []
#[cost, vertex]
heapq.heappush(queue, [0, s])
count = 0
while count != n:
    now = heapq.heappop(queue)
    if check[now[1]]:
        continue
    else:
        count += 1
        check[now[1]] = True
        for path in graph[now[1]]:
            heapq.heappush(queue, [city_yen_cost[now[1]]+path[1], path[0]])




check = [False] * (n-1)
city_snuke_cost = [INF] * (n+1)
city_snuke_cost[t] = 0
queue = []
heapq.heappush(queue, [0, t])
count = 0
while count != n:
    now = heapq.heappop(queue)
    if check[now[1]]:
        continue
    else:
        count += 1
        check[now[1]] = True
        for path in graph[now[1]]:
            heapq.heappush(queue, [city_snuke_cost[now[1]]+path[2], path[0]])


for i in range(n+1):
    city_yen_cost[i] += city_snuke_cost[i]
for i in range(n):
    city_yen_cost[-i-2] = min(city_yen_cost[-i-2], city_yen_cost[-i-1])
for i in range(n):
    print(10**15-city_yen_cost[i+1])

Buggy submission (verdict: Runtime Error):
import heapq
n, m, s, t = map(int, input().split())
INF = 10*20-1
data = []
for _ in range(m):
    data.append(list(map(int, input().split())))

check = [False] * (n-1)
graph = [[] for i in range(n+1)]

for i in range(m):
    graph[data[i][0]].append([data[i][1], data[i][2], data[i][3]])
    graph[data[i][1]].append([data[i][0], data[i][2], data[i][3]])
city_yen_cost = [INF] * (n+1)
city_yen_cost[s] = 0
queue = []
#[cost, vertex]
heapq.heappush(queue, [0, s])
count = 0
while count != n:
    now = heapq.heappop(queue)
    if check[now[1]]:
        continue
    else:
        count += 1
        check[now[1]] = True
        for path in graph[now[1]]:
            heapq.heappush(queue, [city_yen_cost[now[1]]+path[1], path[0]])




check = [False] * (n-1)
city_snuke_cost = [INF] * (n+1)
city_snuke_cost[t] = 0
queue = []
heapq.heappush(queue, [0, t])
count = 0
while count != n
    now = heapq.heappop(queue)
    if check[now[1]]:
        continue
    else:
        count += 1
        check[now[1]] = True
        for path in graph[now[1]]:
            heapq.heappush(queue, [city_snuke_cost[now[1]]+path[2], path[0]])


for i in range(n+1):
    city_yen_cost[i] += city_snuke_cost[i]
for i in range(n):
    city_yen_cost[-i-2] = min(city_yen_cost[-i-2], city_yen_cost[-i-1])
for i in range(n):
    print(10**15-city_yen_cost[i+1])