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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
34,031
1
68,062
No
output
1
34,031
1
68,063
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
34,032
1
68,064
No
output
1
34,032
1
68,065
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
34,033
1
68,066
No
output
1
34,033
1
68,067
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities and n - 1 roads in the Seven Kingdoms, each road connects two cities and we can reach any city from any other by the roads. Theon and Yara Greyjoy are on a horse in the first city, they are starting traveling through the ...
instruction
0
34,836
1
69,672
Tags: dfs and similar, dp, graphs, probabilities, trees Correct Solution: ``` n = int(input()) a = [] for i in range(0, n): a.append([]) for i in range(0, n-1): u, v = map(int, input().split()) a[u-1].append(v-1) a[v-1].append(u-1) parent = [] t1 = [] t2 = [] ff = [] for i in range(0, n): ...
output
1
34,836
1
69,673
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities and n - 1 roads in the Seven Kingdoms, each road connects two cities and we can reach any city from any other by the roads. Theon and Yara Greyjoy are on a horse in the first city, they are starting traveling through the ...
instruction
0
34,837
1
69,674
Tags: dfs and similar, dp, graphs, probabilities, trees Correct Solution: ``` import queue n = int(input().strip()) graph = [[] for _ in range(n)] probabilities = [1.0]*n dist = [0]*n visited = [False]*n for _ in range(n-1): a, b = map(int, input().split()) graph[a-1].append(b-1) graph[b-1].append(a-1) q = ...
output
1
34,837
1
69,675
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities and n - 1 roads in the Seven Kingdoms, each road connects two cities and we can reach any city from any other by the roads. Theon and Yara Greyjoy are on a horse in the first city, they are starting traveling through the ...
instruction
0
34,838
1
69,676
Tags: dfs and similar, dp, graphs, probabilities, trees Correct Solution: ``` from collections import deque def edge_input(m): edges=[] for i in range(m): edges.append(list(map(int,input().split()))) return edges def convert(edges): l={i:[] for i in range(1,n+1)} for i in edges: c...
output
1
34,838
1
69,677
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities and n - 1 roads in the Seven Kingdoms, each road connects two cities and we can reach any city from any other by the roads. Theon and Yara Greyjoy are on a horse in the first city, they are starting traveling through the ...
instruction
0
34,839
1
69,678
Tags: dfs and similar, dp, graphs, probabilities, trees Correct Solution: ``` import os import sys from io import BytesIO, IOBase BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): self._fd = file.fileno() self.buffer = BytesIO() self.writable = "x" in file.m...
output
1
34,839
1
69,679
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities and n - 1 roads in the Seven Kingdoms, each road connects two cities and we can reach any city from any other by the roads. Theon and Yara Greyjoy are on a horse in the first city, they are starting traveling through the ...
instruction
0
34,840
1
69,680
Tags: dfs and similar, dp, graphs, probabilities, trees Correct Solution: ``` from queue import Queue from collections import defaultdict ans = 0 def dfs(i, p, graph, prob, d): global ans l = len(graph[i]) if l == 1 and p != -1: ans += prob * d return if p == -1: newProb = prob ...
output
1
34,840
1
69,681
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities and n - 1 roads in the Seven Kingdoms, each road connects two cities and we can reach any city from any other by the roads. Theon and Yara Greyjoy are on a horse in the first city, they are starting traveling through the ...
instruction
0
34,841
1
69,682
Tags: dfs and similar, dp, graphs, probabilities, trees Correct Solution: ``` # Author: S Mahesh Raju # Username: maheshraju2020 # Date: 30/04/2020 from sys import stdin,stdout from math import gcd, ceil, sqrt ii1 = lambda: int(stdin.readline().strip()) is1 = lambda: stdin.readline().strip() iia = lambda: list(map(int...
output
1
34,841
1
69,683
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities and n - 1 roads in the Seven Kingdoms, each road connects two cities and we can reach any city from any other by the roads. Theon and Yara Greyjoy are on a horse in the first city, they are starting traveling through the ...
instruction
0
34,842
1
69,684
Tags: dfs and similar, dp, graphs, probabilities, trees Correct Solution: ``` from sys import stdin, stdout, setrecursionlimit setrecursionlimit(10**7) import threading threading.stack_size(2**26) class SOLVE: def dfs(self, child, parent, node): total = 0 for v in node[child]: if v != p...
output
1
34,842
1
69,685
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities and n - 1 roads in the Seven Kingdoms, each road connects two cities and we can reach any city from any other by the roads. Theon and Yara Greyjoy are on a horse in the first city, they are starting traveling through the ...
instruction
0
34,843
1
69,686
Tags: dfs and similar, dp, graphs, probabilities, trees Correct Solution: ``` from sys import stdin inp = stdin.readline n, ans, = int(inp()), 0 g = {v: [] for v in range(1, n + 1)} visited = [0] * (n + 1) q = [(1, 1, 0)] for _ in range(n - 1): a, b = map(int, input().split()) g[a].append(b) g[b].append(a) ...
output
1
34,843
1
69,687
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities and n - 1 roads in the Seven Kingdoms, each road connects two cities and we can reach any city from any other by the roads. Theon and Yara Greyjoy are on a horse in the first...
instruction
0
34,844
1
69,688
Yes
output
1
34,844
1
69,689
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities and n - 1 roads in the Seven Kingdoms, each road connects two cities and we can reach any city from any other by the roads. Theon and Yara Greyjoy are on a horse in the first...
instruction
0
34,845
1
69,690
Yes
output
1
34,845
1
69,691
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities and n - 1 roads in the Seven Kingdoms, each road connects two cities and we can reach any city from any other by the roads. Theon and Yara Greyjoy are on a horse in the first...
instruction
0
34,846
1
69,692
Yes
output
1
34,846
1
69,693
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities and n - 1 roads in the Seven Kingdoms, each road connects two cities and we can reach any city from any other by the roads. Theon and Yara Greyjoy are on a horse in the first...
instruction
0
34,847
1
69,694
Yes
output
1
34,847
1
69,695
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities and n - 1 roads in the Seven Kingdoms, each road connects two cities and we can reach any city from any other by the roads. Theon and Yara Greyjoy are on a horse in the first...
instruction
0
34,848
1
69,696
No
output
1
34,848
1
69,697
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities and n - 1 roads in the Seven Kingdoms, each road connects two cities and we can reach any city from any other by the roads. Theon and Yara Greyjoy are on a horse in the first...
instruction
0
34,849
1
69,698
No
output
1
34,849
1
69,699
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities and n - 1 roads in the Seven Kingdoms, each road connects two cities and we can reach any city from any other by the roads. Theon and Yara Greyjoy are on a horse in the first...
instruction
0
34,850
1
69,700
No
output
1
34,850
1
69,701
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities and n - 1 roads in the Seven Kingdoms, each road connects two cities and we can reach any city from any other by the roads. Theon and Yara Greyjoy are on a horse in the first...
instruction
0
34,851
1
69,702
No
output
1
34,851
1
69,703
Provide a correct Python 3 solution for this coding contest problem. There are N cities and M roads. The i-th road (1≤i≤M) connects two cities a_i and b_i (1≤a_i,b_i≤N) bidirectionally. There may be more than one road that connects the same pair of two cities. For each city, how many roads are connected to the city? ...
instruction
0
35,011
1
70,022
"Correct Solution: ``` N, M = map(int, input().split()) l = [] for i in range(M): l.extend(list(map(int, input().split()))) for i in range(1,N+1): print(l.count(i)) ```
output
1
35,011
1
70,023
Provide a correct Python 3 solution for this coding contest problem. There are N cities and M roads. The i-th road (1≤i≤M) connects two cities a_i and b_i (1≤a_i,b_i≤N) bidirectionally. There may be more than one road that connects the same pair of two cities. For each city, how many roads are connected to the city? ...
instruction
0
35,012
1
70,024
"Correct Solution: ``` N,M= map(int,input().split()) NN = [0]*N for i in range(M): a,b = map(int,input().split()) NN[a-1] += 1 NN[b-1] += 1 for _ in NN: print(_) ```
output
1
35,012
1
70,025
Provide a correct Python 3 solution for this coding contest problem. There are N cities and M roads. The i-th road (1≤i≤M) connects two cities a_i and b_i (1≤a_i,b_i≤N) bidirectionally. There may be more than one road that connects the same pair of two cities. For each city, how many roads are connected to the city? ...
instruction
0
35,013
1
70,026
"Correct Solution: ``` n, m = map(int, input().split()) a = sum([input().split() for _ in range(m)], []) [print(a.count(str(i + 1))) for i in range(n)] ```
output
1
35,013
1
70,027
Provide a correct Python 3 solution for this coding contest problem. There are N cities and M roads. The i-th road (1≤i≤M) connects two cities a_i and b_i (1≤a_i,b_i≤N) bidirectionally. There may be more than one road that connects the same pair of two cities. For each city, how many roads are connected to the city? ...
instruction
0
35,014
1
70,028
"Correct Solution: ``` n,m=[int(x) for x in input().split()] r=[input() for _ in range(m)] r=' '.join(r).split() for i in range(1,n+1): print(r.count(str(i))) ```
output
1
35,014
1
70,029
Provide a correct Python 3 solution for this coding contest problem. There are N cities and M roads. The i-th road (1≤i≤M) connects two cities a_i and b_i (1≤a_i,b_i≤N) bidirectionally. There may be more than one road that connects the same pair of two cities. For each city, how many roads are connected to the city? ...
instruction
0
35,015
1
70,030
"Correct Solution: ``` n,m = map(int,input().split()) a = [] for i in range(m): a += map(int,input().split()) for j in range(1,n+1): print(a.count(j)) ```
output
1
35,015
1
70,031
Provide a correct Python 3 solution for this coding contest problem. There are N cities and M roads. The i-th road (1≤i≤M) connects two cities a_i and b_i (1≤a_i,b_i≤N) bidirectionally. There may be more than one road that connects the same pair of two cities. For each city, how many roads are connected to the city? ...
instruction
0
35,016
1
70,032
"Correct Solution: ``` N,M=map(int,input().split()) d=[0]*N for i in range(M): a,b=map(int,input().split()) d[a-1]+=1 d[b-1]+=1 for i in d:print(i) ```
output
1
35,016
1
70,033
Provide a correct Python 3 solution for this coding contest problem. There are N cities and M roads. The i-th road (1≤i≤M) connects two cities a_i and b_i (1≤a_i,b_i≤N) bidirectionally. There may be more than one road that connects the same pair of two cities. For each city, how many roads are connected to the city? ...
instruction
0
35,017
1
70,034
"Correct Solution: ``` N,M=map(int,input().split()) city=[0]*N for i in range(M): road=list(map(int,input().split())) for j in road: city[j-1]+=1 for i in city: print(i) ```
output
1
35,017
1
70,035
Provide a correct Python 3 solution for this coding contest problem. There are N cities and M roads. The i-th road (1≤i≤M) connects two cities a_i and b_i (1≤a_i,b_i≤N) bidirectionally. There may be more than one road that connects the same pair of two cities. For each city, how many roads are connected to the city? ...
instruction
0
35,018
1
70,036
"Correct Solution: ``` # coding: utf-8 N, M = map(int, input().split()) lst=[] for _ in range(M): lst += input().split() for i in range(1, N+1): print(lst.count(str(i))) ```
output
1
35,018
1
70,037
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N cities and M roads. The i-th road (1≤i≤M) connects two cities a_i and b_i (1≤a_i,b_i≤N) bidirectionally. There may be more than one road that connects the same pair of two cities. Fo...
instruction
0
35,019
1
70,038
Yes
output
1
35,019
1
70,039
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N cities and M roads. The i-th road (1≤i≤M) connects two cities a_i and b_i (1≤a_i,b_i≤N) bidirectionally. There may be more than one road that connects the same pair of two cities. Fo...
instruction
0
35,020
1
70,040
Yes
output
1
35,020
1
70,041
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N cities and M roads. The i-th road (1≤i≤M) connects two cities a_i and b_i (1≤a_i,b_i≤N) bidirectionally. There may be more than one road that connects the same pair of two cities. Fo...
instruction
0
35,021
1
70,042
Yes
output
1
35,021
1
70,043
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N cities and M roads. The i-th road (1≤i≤M) connects two cities a_i and b_i (1≤a_i,b_i≤N) bidirectionally. There may be more than one road that connects the same pair of two cities. Fo...
instruction
0
35,022
1
70,044
Yes
output
1
35,022
1
70,045
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N cities and M roads. The i-th road (1≤i≤M) connects two cities a_i and b_i (1≤a_i,b_i≤N) bidirectionally. There may be more than one road that connects the same pair of two cities. Fo...
instruction
0
35,023
1
70,046
No
output
1
35,023
1
70,047
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N cities and M roads. The i-th road (1≤i≤M) connects two cities a_i and b_i (1≤a_i,b_i≤N) bidirectionally. There may be more than one road that connects the same pair of two cities. Fo...
instruction
0
35,024
1
70,048
No
output
1
35,024
1
70,049
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N cities and M roads. The i-th road (1≤i≤M) connects two cities a_i and b_i (1≤a_i,b_i≤N) bidirectionally. There may be more than one road that connects the same pair of two cities. Fo...
instruction
0
35,025
1
70,050
No
output
1
35,025
1
70,051
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N cities and M roads. The i-th road (1≤i≤M) connects two cities a_i and b_i (1≤a_i,b_i≤N) bidirectionally. There may be more than one road that connects the same pair of two cities. Fo...
instruction
0
35,026
1
70,052
No
output
1
35,026
1
70,053
Provide tags and a correct Python 3 solution for this coding contest problem. After a long party Petya decided to return home, but he turned out to be at the opposite end of the town from his home. There are n crossroads in the line in the town, and there is either the bus or the tram station at each crossroad. The c...
instruction
0
35,316
1
70,632
Tags: binary search, dp, greedy, strings Correct Solution: ``` n = int(input()) for i in range(n): a, b, p = map(int, input().split()) s = input() t = len(s) l = [0] for j in range(t - 1): if s[t - 2 - j] == s[t - 1 - j] and j != 0: l.append(l[j]) elif s[t - 2 - j] == '...
output
1
35,316
1
70,633
Provide tags and a correct Python 3 solution for this coding contest problem. After a long party Petya decided to return home, but he turned out to be at the opposite end of the town from his home. There are n crossroads in the line in the town, and there is either the bus or the tram station at each crossroad. The c...
instruction
0
35,317
1
70,634
Tags: binary search, dp, greedy, strings Correct Solution: ``` for __ in range(int(input())): a,b,p = [int(x) for x in input().split()] s = input() if p < a and p < b: print(len(s)) else: n = len(s) cost = [-1]*n if s[0] == 'A': cost[0]=a else: cost[0]=b ind = [] ind.append(0) for i in range(1...
output
1
35,317
1
70,635
Provide tags and a correct Python 3 solution for this coding contest problem. After a long party Petya decided to return home, but he turned out to be at the opposite end of the town from his home. There are n crossroads in the line in the town, and there is either the bus or the tram station at each crossroad. The c...
instruction
0
35,318
1
70,636
Tags: binary search, dp, greedy, strings Correct Solution: ``` from sys import stdin input = stdin.readline def mp():return map(int,input().split()) def it():return int(input()) for _ in range(it()): a,b,p=mp() s=input() s=s[:len(s)-1] if len(s)==1: print(1) continue m=0 ans=len(s) for i in range(len(s)-2,...
output
1
35,318
1
70,637
Provide tags and a correct Python 3 solution for this coding contest problem. After a long party Petya decided to return home, but he turned out to be at the opposite end of the town from his home. There are n crossroads in the line in the town, and there is either the bus or the tram station at each crossroad. The c...
instruction
0
35,319
1
70,638
Tags: binary search, dp, greedy, strings Correct Solution: ``` # ========= /\ /| |====/| # | / \ | | / | # | /____\ | | / | # | / \ | | / | # ========= / \ ===== |/====| # code def main(): t = int(input()) for _ in ...
output
1
35,319
1
70,639
Provide tags and a correct Python 3 solution for this coding contest problem. After a long party Petya decided to return home, but he turned out to be at the opposite end of the town from his home. There are n crossroads in the line in the town, and there is either the bus or the tram station at each crossroad. The c...
instruction
0
35,320
1
70,640
Tags: binary search, dp, greedy, strings Correct Solution: ``` for i in range(int(input())): a, b, p = map(int, input().split()) string = input() crossroads = len(string) money, answer = 0, crossroads for i in range(crossroads-1): if (crossroads-2-i) == 0: if string[0] == "A": money += a else: mone...
output
1
35,320
1
70,641
Provide tags and a correct Python 3 solution for this coding contest problem. After a long party Petya decided to return home, but he turned out to be at the opposite end of the town from his home. There are n crossroads in the line in the town, and there is either the bus or the tram station at each crossroad. The c...
instruction
0
35,321
1
70,642
Tags: binary search, dp, greedy, strings Correct Solution: ``` t = int(input()) for _ in range(t): a,b,p = list(map(int, input().split())) s = input() price = {'A':a, 'B':b} route = [] prev = None idx = 1 start = 0 for ch in s: if prev == None: prev = ch ...
output
1
35,321
1
70,643
Provide tags and a correct Python 3 solution for this coding contest problem. After a long party Petya decided to return home, but he turned out to be at the opposite end of the town from his home. There are n crossroads in the line in the town, and there is either the bus or the tram station at each crossroad. The c...
instruction
0
35,322
1
70,644
Tags: binary search, dp, greedy, strings Correct Solution: ``` t = int(input()) for _ in range(t): a, b, p = map(int, input().split()) s = list(str(input())) n = len(s) s.reverse() A = [] temp = s[1] cnt = 0 for i in range(1, n): if s[i] != temp: if temp == 'A': ...
output
1
35,322
1
70,645
Provide tags and a correct Python 3 solution for this coding contest problem. After a long party Petya decided to return home, but he turned out to be at the opposite end of the town from his home. There are n crossroads in the line in the town, and there is either the bus or the tram station at each crossroad. The c...
instruction
0
35,323
1
70,646
Tags: binary search, dp, greedy, strings Correct Solution: ``` T = int(input()) result =[] for i in range(0,T): list11 = list(map(int, input().split())) a = list11[0] b = list11[1] p = list11[2] cost = 0 st = input() length = len(st) st = st[::-1] s = st[1] res = 0 for j in r...
output
1
35,323
1
70,647
Provide tags and a correct Python 2 solution for this coding contest problem. After a long party Petya decided to return home, but he turned out to be at the opposite end of the town from his home. There are n crossroads in the line in the town, and there is either the bus or the tram station at each crossroad. The c...
instruction
0
35,324
1
70,648
Tags: binary search, dp, greedy, strings Correct Solution: ``` from sys import stdin, stdout from collections import Counter, defaultdict from itertools import permutations, combinations raw_input = stdin.readline pr = stdout.write mod=10**9+7 def ni(): return int(raw_input()) def li(): return map(int,raw_in...
output
1
35,324
1
70,649
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. After a long party Petya decided to return home, but he turned out to be at the opposite end of the town from his home. There are n crossroads in the line in the town, and there is either the bu...
instruction
0
35,325
1
70,650
Yes
output
1
35,325
1
70,651
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. After a long party Petya decided to return home, but he turned out to be at the opposite end of the town from his home. There are n crossroads in the line in the town, and there is either the bu...
instruction
0
35,326
1
70,652
Yes
output
1
35,326
1
70,653
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. After a long party Petya decided to return home, but he turned out to be at the opposite end of the town from his home. There are n crossroads in the line in the town, and there is either the bu...
instruction
0
35,327
1
70,654
Yes
output
1
35,327
1
70,655
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. After a long party Petya decided to return home, but he turned out to be at the opposite end of the town from his home. There are n crossroads in the line in the town, and there is either the bu...
instruction
0
35,328
1
70,656
Yes
output
1
35,328
1
70,657
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. After a long party Petya decided to return home, but he turned out to be at the opposite end of the town from his home. There are n crossroads in the line in the town, and there is either the bu...
instruction
0
35,329
1
70,658
No
output
1
35,329
1
70,659
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. After a long party Petya decided to return home, but he turned out to be at the opposite end of the town from his home. There are n crossroads in the line in the town, and there is either the bu...
instruction
0
35,330
1
70,660
No
output
1
35,330
1
70,661