message stringlengths 2 22.8k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 16 109k | cluster float64 1 1 | __index_level_0__ int64 32 217k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Palo Alto is an unusual city because it is an endless coordinate line. It is also known for the office of Lyft Level 5.
Lyft has become so popular so that it is now used by all m taxi drivers i... | instruction | 0 | 33,368 | 1 | 66,736 |
No | output | 1 | 33,368 | 1 | 66,737 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day Bob got a letter in an envelope. Bob knows that when Berland's post officers send a letter directly from city «A» to city «B», they stamp it with «A B», or «B A». Unfortunately, often it is impossible to send a letter directly from t... | instruction | 0 | 33,678 | 1 | 67,356 |
Tags: data structures, dfs and similar, graphs, implementation
Correct Solution:
```
dic = {}
for notused in range(int(input())):
i1, i2 = list(map(int, input().split(" ")))
if i1 in dic: dic[i1].append(i2)
else: dic[i1] = [i2]
if i2 in dic: dic[i2].append(i1)
else: dic[i2] = [i1]
start,end = -1,-1
for key in dic.... | output | 1 | 33,678 | 1 | 67,357 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day Bob got a letter in an envelope. Bob knows that when Berland's post officers send a letter directly from city «A» to city «B», they stamp it with «A B», or «B A». Unfortunately, often it is impossible to send a letter directly from t... | instruction | 0 | 33,679 | 1 | 67,358 |
Tags: data structures, dfs and similar, graphs, implementation
Correct Solution:
```
n = int(input())
edges = {}
for _ in range(n):
a, b = map(int, input().split())
if a in edges:
edges[a] += [b]
else:
edges[a] = [b]
if b in edges:
edges[b] += [a]
else:
edges[b] = [... | output | 1 | 33,679 | 1 | 67,359 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day Bob got a letter in an envelope. Bob knows that when Berland's post officers send a letter directly from city «A» to city «B», they stamp it with «A B», or «B A». Unfortunately, often it is impossible to send a letter directly from t... | instruction | 0 | 33,680 | 1 | 67,360 |
Tags: data structures, dfs and similar, graphs, implementation
Correct Solution:
```
n=int(input())
d={}
for i in range(n):
a,b=map(int,input().split())
if a in d:
d[a].append(b)
else:
d[a]=[b]
if b in d:
d[b].append(a)
else:
d[b]=[a]
ans=[]
for el in d:
i... | output | 1 | 33,680 | 1 | 67,361 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day Bob got a letter in an envelope. Bob knows that when Berland's post officers send a letter directly from city «A» to city «B», they stamp it with «A B», or «B A». Unfortunately, often it is impossible to send a letter directly from t... | instruction | 0 | 33,681 | 1 | 67,362 |
Tags: data structures, dfs and similar, graphs, implementation
Correct Solution:
```
# ------------------------------warmup----------------------------
import os
import sys
from io import BytesIO, IOBase
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.file... | output | 1 | 33,681 | 1 | 67,363 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day Bob got a letter in an envelope. Bob knows that when Berland's post officers send a letter directly from city «A» to city «B», they stamp it with «A B», or «B A». Unfortunately, often it is impossible to send a letter directly from t... | instruction | 0 | 33,682 | 1 | 67,364 |
Tags: data structures, dfs and similar, graphs, implementation
Correct Solution:
```
n = int(input())
p = [0] * n
d, t = {}, {}
for i in range(n):
for x in map(int, input().split()):
t[x], d[x] = (0, d[x] + i) if x in d else (1, i)
p[i] += x
x, q = (y for y in t if t[y])
s = [x]
while x != q:
y ... | output | 1 | 33,682 | 1 | 67,365 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day Bob got a letter in an envelope. Bob knows that when Berland's post officers send a letter directly from city «A» to city «B», they stamp it with «A B», or «B A». Unfortunately, often it is impossible to send a letter directly from t... | instruction | 0 | 33,683 | 1 | 67,366 |
Tags: data structures, dfs and similar, graphs, implementation
Correct Solution:
```
import sys
from array import array # noqa: F401
from collections import defaultdict
def input():
return sys.stdin.buffer.readline().decode('utf-8')
n = int(input())
adj = defaultdict(list)
deg = defaultdict(int)
for _ in rang... | output | 1 | 33,683 | 1 | 67,367 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day Bob got a letter in an envelope. Bob knows that when Berland's post officers send a letter directly from city «A» to city «B», they stamp it with «A B», or «B A». Unfortunately, often it is impossible to send a letter directly from t... | instruction | 0 | 33,684 | 1 | 67,368 |
Tags: data structures, dfs and similar, graphs, implementation
Correct Solution:
```
import sys
from collections import deque
input = sys.stdin.readline
g={}
v=set()
for _ in range(int(input())):
a,b=[int(x) for x in input().split()]
if a in v:
v.remove(a)
else:
v.add(a)
if b in v:
... | output | 1 | 33,684 | 1 | 67,369 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One day Bob got a letter in an envelope. Bob knows that when Berland's post officers send a letter directly from city «A» to city «B», they stamp it with «A B», or «B A». Unfortunately, often it is impossible to send a letter directly from t... | instruction | 0 | 33,685 | 1 | 67,370 |
Tags: data structures, dfs and similar, graphs, implementation
Correct Solution:
```
from collections import defaultdict, Counter
class Solution:
def __init__(self):
pass
def solve_and_print(self):
d, c = defaultdict(int), []
for _ in range(int(input())):
x, y = [int(x) for... | output | 1 | 33,685 | 1 | 67,371 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day Bob got a letter in an envelope. Bob knows that when Berland's post officers send a letter directly from city «A» to city «B», they stamp it with «A B», or «B A». Unfortunately, often it... | instruction | 0 | 33,686 | 1 | 67,372 |
Yes | output | 1 | 33,686 | 1 | 67,373 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day Bob got a letter in an envelope. Bob knows that when Berland's post officers send a letter directly from city «A» to city «B», they stamp it with «A B», or «B A». Unfortunately, often it... | instruction | 0 | 33,687 | 1 | 67,374 |
Yes | output | 1 | 33,687 | 1 | 67,375 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day Bob got a letter in an envelope. Bob knows that when Berland's post officers send a letter directly from city «A» to city «B», they stamp it with «A B», or «B A». Unfortunately, often it... | instruction | 0 | 33,688 | 1 | 67,376 |
Yes | output | 1 | 33,688 | 1 | 67,377 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day Bob got a letter in an envelope. Bob knows that when Berland's post officers send a letter directly from city «A» to city «B», they stamp it with «A B», or «B A». Unfortunately, often it... | instruction | 0 | 33,689 | 1 | 67,378 |
Yes | output | 1 | 33,689 | 1 | 67,379 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day Bob got a letter in an envelope. Bob knows that when Berland's post officers send a letter directly from city «A» to city «B», they stamp it with «A B», or «B A». Unfortunately, often it... | instruction | 0 | 33,690 | 1 | 67,380 |
No | output | 1 | 33,690 | 1 | 67,381 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day Bob got a letter in an envelope. Bob knows that when Berland's post officers send a letter directly from city «A» to city «B», they stamp it with «A B», or «B A». Unfortunately, often it... | instruction | 0 | 33,691 | 1 | 67,382 |
No | output | 1 | 33,691 | 1 | 67,383 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day Bob got a letter in an envelope. Bob knows that when Berland's post officers send a letter directly from city «A» to city «B», they stamp it with «A B», or «B A». Unfortunately, often it... | instruction | 0 | 33,692 | 1 | 67,384 |
No | output | 1 | 33,692 | 1 | 67,385 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day Bob got a letter in an envelope. Bob knows that when Berland's post officers send a letter directly from city «A» to city «B», they stamp it with «A B», or «B A». Unfortunately, often it... | instruction | 0 | 33,693 | 1 | 67,386 |
No | output | 1 | 33,693 | 1 | 67,387 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n points on the straight line — the positions (x-coordinates) of the cities and m points on the same line — the positions (x-coordinates) of the cellular towers. All towers work in the same way — they provide cellular network f... | instruction | 0 | 33,861 | 1 | 67,722 |
Tags: binary search, implementation, two pointers
Correct Solution:
```
import sys
import bisect
input = sys.stdin.readline
n, m = map(int, input().split())
city = list(map(int, input().split()))
tower = list(map(int, input().split()))
ans = []#
for i in range(n):
a = bisect.bisect_right(tower, city[i])
x = abs(cit... | output | 1 | 33,861 | 1 | 67,723 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n points on the straight line — the positions (x-coordinates) of the cities and m points on the same line — the positions (x-coordinates) of the cellular towers. All towers work in the same way — they provide cellular network f... | instruction | 0 | 33,862 | 1 | 67,724 |
Tags: binary search, implementation, two pointers
Correct Solution:
```
n, m = map(int, input().split())
l1 = list(map(int, input().split()))
l2 = list(map(int, input().split()))
l1.sort()
l2.sort()
ans = 0
for i in range(n):
lo = 0
hi = m - 1
while lo < hi:
mid = (lo + hi) // 2
if l2[mid] <... | output | 1 | 33,862 | 1 | 67,725 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n points on the straight line — the positions (x-coordinates) of the cities and m points on the same line — the positions (x-coordinates) of the cellular towers. All towers work in the same way — they provide cellular network f... | instruction | 0 | 33,863 | 1 | 67,726 |
Tags: binary search, implementation, two pointers
Correct Solution:
```
n=int(input().split()[0])
a=list(map(int, input().split()))
b=list(map(int, input().split()))
b=[-2**40]+b+[2**40]
ans=0
j=0
for i in range(n):
while a[i]>=b[j+1]:
j+=1
ans=max(ans, min(b[j+1]-a[i], a[i]-b[j]))
print(ans)
``` | output | 1 | 33,863 | 1 | 67,727 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n points on the straight line — the positions (x-coordinates) of the cities and m points on the same line — the positions (x-coordinates) of the cellular towers. All towers work in the same way — they provide cellular network f... | instruction | 0 | 33,864 | 1 | 67,728 |
Tags: binary search, implementation, two pointers
Correct Solution:
```
def lower_bownd(key):
left = -1
right = m
while left < right - 1:
middle = (left + right) // 2
if b[middle] <= key:
left = middle
else:
right = middle
if right < m:
r = b[... | output | 1 | 33,864 | 1 | 67,729 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n points on the straight line — the positions (x-coordinates) of the cities and m points on the same line — the positions (x-coordinates) of the cellular towers. All towers work in the same way — they provide cellular network f... | instruction | 0 | 33,865 | 1 | 67,730 |
Tags: binary search, implementation, two pointers
Correct Solution:
```
def problem(nm, cities, towers):
n_c = nm[0]
n_t = nm[1]
city_index = 0
tower_index = 0
r = 0;
while cities[city_index] < towers[0]:
r = max([r, towers[0] - cities[city_index]])
city_index += 1
if ci... | output | 1 | 33,865 | 1 | 67,731 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n points on the straight line — the positions (x-coordinates) of the cities and m points on the same line — the positions (x-coordinates) of the cellular towers. All towers work in the same way — they provide cellular network f... | instruction | 0 | 33,866 | 1 | 67,732 |
Tags: binary search, implementation, two pointers
Correct Solution:
```
def min_dist_to_tower(a, x):
l, r = -1, len(a)
while r - l > 1:
m = (l + r) // 2
if a[m] > x:
r = m
else:
l = m
w = abs(x - a[l]) if l >= 0 else 'SORRY'
z = abs(x - a[r]) if r < len(a)... | output | 1 | 33,866 | 1 | 67,733 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n points on the straight line — the positions (x-coordinates) of the cities and m points on the same line — the positions (x-coordinates) of the cellular towers. All towers work in the same way — they provide cellular network f... | instruction | 0 | 33,867 | 1 | 67,734 |
Tags: binary search, implementation, two pointers
Correct Solution:
```
import sys
import bisect
input=sys.stdin.readline
m,n=input().strip().split()
m,n=int(m),int(n)
cities=list(map(int,input().strip().split()))
cells=list(map(int,input().strip().split()))
cells.sort()
R=[]
for i in range(m):
x=cities[i]
l=bi... | output | 1 | 33,867 | 1 | 67,735 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n points on the straight line — the positions (x-coordinates) of the cities and m points on the same line — the positions (x-coordinates) of the cellular towers. All towers work in the same way — they provide cellular network f... | instruction | 0 | 33,868 | 1 | 67,736 |
Tags: binary search, implementation, two pointers
Correct Solution:
```
import bisect
a, b = list(map(int, input().split()))
cities = list(map(int, input().split()))
towers = list(map(int, input().split()))
towers.sort()
dists = []
y = towers[-1]
z = towers[0]
for i in range(len(cities)):
n = bisect.bisect_l... | output | 1 | 33,868 | 1 | 67,737 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n points on the straight line — the positions (x-coordinates) of the cities and m points on the same line — the positions (x-coordinates) of the cellular towers. All towers work in... | instruction | 0 | 33,869 | 1 | 67,738 |
Yes | output | 1 | 33,869 | 1 | 67,739 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n points on the straight line — the positions (x-coordinates) of the cities and m points on the same line — the positions (x-coordinates) of the cellular towers. All towers work in... | instruction | 0 | 33,870 | 1 | 67,740 |
Yes | output | 1 | 33,870 | 1 | 67,741 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n points on the straight line — the positions (x-coordinates) of the cities and m points on the same line — the positions (x-coordinates) of the cellular towers. All towers work in... | instruction | 0 | 33,871 | 1 | 67,742 |
Yes | output | 1 | 33,871 | 1 | 67,743 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n points on the straight line — the positions (x-coordinates) of the cities and m points on the same line — the positions (x-coordinates) of the cellular towers. All towers work in... | instruction | 0 | 33,872 | 1 | 67,744 |
Yes | output | 1 | 33,872 | 1 | 67,745 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n points on the straight line — the positions (x-coordinates) of the cities and m points on the same line — the positions (x-coordinates) of the cellular towers. All towers work in... | instruction | 0 | 33,874 | 1 | 67,748 |
No | output | 1 | 33,874 | 1 | 67,749 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n points on the straight line — the positions (x-coordinates) of the cities and m points on the same line — the positions (x-coordinates) of the cellular towers. All towers work in... | instruction | 0 | 33,875 | 1 | 67,750 |
No | output | 1 | 33,875 | 1 | 67,751 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n points on the straight line — the positions (x-coordinates) of the cities and m points on the same line — the positions (x-coordinates) of the cellular towers. All towers work in... | instruction | 0 | 33,876 | 1 | 67,752 |
No | output | 1 | 33,876 | 1 | 67,753 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bankopolis is an incredible city in which all the n crossroads are located on a straight line and numbered from 1 to n along it. On each crossroad there is a bank office.
The crossroads are connected with m oriented bicycle lanes (the i-th ... | instruction | 0 | 33,913 | 1 | 67,826 |
Tags: dp, graphs, shortest paths
Correct Solution:
```
import sys
from functools import lru_cache
input = sys.stdin.readline
# sys.setrecursionlimit(2 * 10**6)
def inpl():
return list(map(int, input().split()))
@lru_cache(maxsize=None)
def recur(v, s, e, k):
"""
vから初めて[s, e]の都市をk個まわる最小値は？
"""
if... | output | 1 | 33,913 | 1 | 67,827 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bankopolis is an incredible city in which all the n crossroads are located on a straight line and numbered from 1 to n along it. On each crossroad there is a bank office.
The crossroads are con... | instruction | 0 | 33,914 | 1 | 67,828 |
No | output | 1 | 33,914 | 1 | 67,829 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bankopolis is an incredible city in which all the n crossroads are located on a straight line and numbered from 1 to n along it. On each crossroad there is a bank office.
The crossroads are con... | instruction | 0 | 33,915 | 1 | 67,830 |
No | output | 1 | 33,915 | 1 | 67,831 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bankopolis is an incredible city in which all the n crossroads are located on a straight line and numbered from 1 to n along it. On each crossroad there is a bank office.
The crossroads are con... | instruction | 0 | 33,916 | 1 | 67,832 |
No | output | 1 | 33,916 | 1 | 67,833 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bankopolis is an incredible city in which all the n crossroads are located on a straight line and numbered from 1 to n along it. On each crossroad there is a bank office.
The crossroads are con... | instruction | 0 | 33,917 | 1 | 67,834 |
No | output | 1 | 33,917 | 1 | 67,835 |
Provide a correct Python 3 solution for this coding contest problem.
There are N cities numbered 1 to N, connected by M railroads.
You are now at City 1, with 10^{100} gold coins and S silver coins in your pocket.
The i-th railroad connects City U_i and City V_i bidirectionally, and a one-way trip costs A_i silver c... | instruction | 0 | 34,018 | 1 | 68,036 |
"Correct Solution:
```
from heapq import heappush, heappop
N, M, S = map(int, input().split())
mxCost = 0
edges = [[] for _ in range(N)]
for _ in range(M):
fr, to, cost, dist = map(int, input().split())
mxCost = max(mxCost, cost)
fr -= 1
to -= 1
edges[fr].append((to, dist, cost))
edges[to].app... | output | 1 | 34,018 | 1 | 68,037 |
Provide a correct Python 3 solution for this coding contest problem.
There are N cities numbered 1 to N, connected by M railroads.
You are now at City 1, with 10^{100} gold coins and S silver coins in your pocket.
The i-th railroad connects City U_i and City V_i bidirectionally, and a one-way trip costs A_i silver c... | instruction | 0 | 34,019 | 1 | 68,038 |
"Correct Solution:
```
import heapq
def main():
N, M, S = map(int, input().split())
money_max = 50*N
S = min(S, money_max)
dp = [[float("inf")]*(money_max+1) for _ in range(N)]
dp[0][S] = 0
G = [[] for _ in range(N)]
exchange = [None]*N
for _ in range(M):
u, v, a, b = map(int, in... | output | 1 | 34,019 | 1 | 68,039 |
Provide a correct Python 3 solution for this coding contest problem.
There are N cities numbered 1 to N, connected by M railroads.
You are now at City 1, with 10^{100} gold coins and S silver coins in your pocket.
The i-th railroad connects City U_i and City V_i bidirectionally, and a one-way trip costs A_i silver c... | instruction | 0 | 34,020 | 1 | 68,040 |
"Correct Solution:
```
import sys
import heapq
input = sys.stdin.readline
NCOSTS = 2501
TIME_MAX = 10 ** 15
N, M, S = map(int, input().split())
adj = [[] for _ in range(N * NCOSTS)]
fare_adj = [[NCOSTS] * N for _ in range(N)]
time_adj = [[TIME_MAX] * N for _ in range(N)]
fare_max = 0
def node(city, silvers):
r... | output | 1 | 34,020 | 1 | 68,041 |
Provide a correct Python 3 solution for this coding contest problem.
There are N cities numbered 1 to N, connected by M railroads.
You are now at City 1, with 10^{100} gold coins and S silver coins in your pocket.
The i-th railroad connects City U_i and City V_i bidirectionally, and a one-way trip costs A_i silver c... | instruction | 0 | 34,021 | 1 | 68,042 |
"Correct Solution:
```
from heapq import heappop, heappush
import sys
input = sys.stdin.readline
INF = 10**100
MAX = 2500
N, M, S = map(int, input().split())
S = min(S, MAX)
G = [[] for _ in [0]*N]
C = []
for _ in [0]*M:
u, v, a, b = map(int, input().split())
u -= 1
v -= 1
G[v].append((u, a, b))
G[u... | output | 1 | 34,021 | 1 | 68,043 |
Provide a correct Python 3 solution for this coding contest problem.
There are N cities numbered 1 to N, connected by M railroads.
You are now at City 1, with 10^{100} gold coins and S silver coins in your pocket.
The i-th railroad connects City U_i and City V_i bidirectionally, and a one-way trip costs A_i silver c... | instruction | 0 | 34,022 | 1 | 68,044 |
"Correct Solution:
```
import sys
import heapq
def dijkstra(s,es):
INF=sys.maxsize
cs=[INF]*len(es)
cs[s],hq=0,[]
heapq.heapify(hq)
heapq.heappush(hq,(cs[s],s))
while hq:
d,v=heapq.heappop(hq)
if cs[v]<d:continue
for t,b in es[v]:
if cs[t]>cs[v]+b:
... | output | 1 | 34,022 | 1 | 68,045 |
Provide a correct Python 3 solution for this coding contest problem.
There are N cities numbered 1 to N, connected by M railroads.
You are now at City 1, with 10^{100} gold coins and S silver coins in your pocket.
The i-th railroad connects City U_i and City V_i bidirectionally, and a one-way trip costs A_i silver c... | instruction | 0 | 34,023 | 1 | 68,046 |
"Correct Solution:
```
import sys
input = lambda : sys.stdin.readline().rstrip()
import heapq
from collections import defaultdict
h = []
heapq.heapify(h)
n, m, s = list(map(int, input().split()))
a, b = [[None] * m for _ in range(2)]
c, d = [[None] * n for _ in range(2)]
ns = defaultdict(list)
uv2e = {}
for i in ran... | output | 1 | 34,023 | 1 | 68,047 |
Provide a correct Python 3 solution for this coding contest problem.
There are N cities numbered 1 to N, connected by M railroads.
You are now at City 1, with 10^{100} gold coins and S silver coins in your pocket.
The i-th railroad connects City U_i and City V_i bidirectionally, and a one-way trip costs A_i silver c... | instruction | 0 | 34,024 | 1 | 68,048 |
"Correct Solution:
```
import sys
input = lambda : sys.stdin.readline().rstrip()
import heapq
h = []
heapq.heapify(h)
n, m, s = list(map(int, input().split()))
a, b = [[None] * m for _ in range(2)]
c, d = [[None] * n for _ in range(2)]
ns = {}
uv2e = {}
for i in range(m):
u,v,a[i],b[i] = list(map(int, input().s... | output | 1 | 34,024 | 1 | 68,049 |
Provide a correct Python 3 solution for this coding contest problem.
There are N cities numbered 1 to N, connected by M railroads.
You are now at City 1, with 10^{100} gold coins and S silver coins in your pocket.
The i-th railroad connects City U_i and City V_i bidirectionally, and a one-way trip costs A_i silver c... | instruction | 0 | 34,025 | 1 | 68,050 |
"Correct Solution:
```
N,M,S=map(int,input().split())
from heapq import heappop,heappush
inf = 10**18
cost=[[] for _ in range(N)]
exc=[]
for _ in range(M):
u,v,a,b=map(int,input().split())
u,v=u-1,v-1
cost[u].append((v,a,b))
cost[v].append((u,a,b))
for _ in range(N):
c,d=map(int,input().split())... | output | 1 | 34,025 | 1 | 68,051 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N cities numbered 1 to N, connected by M railroads.
You are now at City 1, with 10^{100} gold coins and S silver coins in your pocket.
The i-th railroad connects City U_i and City V_... | instruction | 0 | 34,026 | 1 | 68,052 |
Yes | output | 1 | 34,026 | 1 | 68,053 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N cities numbered 1 to N, connected by M railroads.
You are now at City 1, with 10^{100} gold coins and S silver coins in your pocket.
The i-th railroad connects City U_i and City V_... | instruction | 0 | 34,027 | 1 | 68,054 |
Yes | output | 1 | 34,027 | 1 | 68,055 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N cities numbered 1 to N, connected by M railroads.
You are now at City 1, with 10^{100} gold coins and S silver coins in your pocket.
The i-th railroad connects City U_i and City V_... | instruction | 0 | 34,028 | 1 | 68,056 |
Yes | output | 1 | 34,028 | 1 | 68,057 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N cities numbered 1 to N, connected by M railroads.
You are now at City 1, with 10^{100} gold coins and S silver coins in your pocket.
The i-th railroad connects City U_i and City V_... | instruction | 0 | 34,029 | 1 | 68,058 |
Yes | output | 1 | 34,029 | 1 | 68,059 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N cities numbered 1 to N, connected by M railroads.
You are now at City 1, with 10^{100} gold coins and S silver coins in your pocket.
The i-th railroad connects City U_i and City V_... | instruction | 0 | 34,030 | 1 | 68,060 |
No | output | 1 | 34,030 | 1 | 68,061 |
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