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Provide tags and a correct Python 3 solution for this coding contest problem. The Fair Nut is going to travel to the Tree Country, in which there are n cities. Most of the land of this country is covered by forest. Furthermore, the local road system forms a tree (connected graph without cycles). Nut wants to rent a ca...
instruction
0
100,339
1
200,678
Tags: data structures, dp, trees Correct Solution: ``` import sys readline = sys.stdin.readline from collections import Counter def parorder(Edge, p): N = len(Edge) par = [0]*N par[p] = -1 stack = [p] visited = set([p]) order = [] while stack: vn = stack.pop() order.append...
output
1
100,339
1
200,679
Provide tags and a correct Python 3 solution for this coding contest problem. The Fair Nut is going to travel to the Tree Country, in which there are n cities. Most of the land of this country is covered by forest. Furthermore, the local road system forms a tree (connected graph without cycles). Nut wants to rent a ca...
instruction
0
100,340
1
200,680
Tags: data structures, dp, trees Correct Solution: ``` from sys import stdin input=lambda : stdin.readline().strip() from math import ceil,sqrt,factorial,gcd from collections import deque n=int(input()) l=list(map(int,input().split())) visited=set() graph={i:set() for i in range(1,n+1)} d={} papa=[0 for i in range(n+1)...
output
1
100,340
1
200,681
Provide tags and a correct Python 3 solution for this coding contest problem. The Fair Nut is going to travel to the Tree Country, in which there are n cities. Most of the land of this country is covered by forest. Furthermore, the local road system forms a tree (connected graph without cycles). Nut wants to rent a ca...
instruction
0
100,341
1
200,682
Tags: data structures, dp, trees Correct Solution: ``` from sys import stdin, setrecursionlimit import threading n = int(stdin.readline()) w = [int(x) for x in stdin.readline().split()] graph = [{} for x in range(n)] for road in range(n-1): u,v,c = [int(x) for x in stdin.readline().split()] u -= 1 v -= 1 ...
output
1
100,341
1
200,683
Provide tags and a correct Python 3 solution for this coding contest problem. The Fair Nut is going to travel to the Tree Country, in which there are n cities. Most of the land of this country is covered by forest. Furthermore, the local road system forms a tree (connected graph without cycles). Nut wants to rent a ca...
instruction
0
100,342
1
200,684
Tags: data structures, dp, trees Correct Solution: ``` import sys readline = sys.stdin.readline from collections import Counter def parorder(Edge, p): N = len(Edge) par = [0]*N par[p] = -1 stack = [p] order = [] visited = set([p]) ast = stack.append apo = order.append while stack:...
output
1
100,342
1
200,685
Provide tags and a correct Python 3 solution for this coding contest problem. The Fair Nut is going to travel to the Tree Country, in which there are n cities. Most of the land of this country is covered by forest. Furthermore, the local road system forms a tree (connected graph without cycles). Nut wants to rent a ca...
instruction
0
100,343
1
200,686
Tags: data structures, dp, trees Correct Solution: ``` import sys import io, os #input = sys.stdin.buffer.readline input = io.BytesIO(os.read(0,os.fstat(0).st_size)).readline n = int(input()) W = list(map(int, input().split())) g = [[] for i in range(n)] edge = [] for i in range(n-1): u, v, c = map(int, input().s...
output
1
100,343
1
200,687
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Fair Nut is going to travel to the Tree Country, in which there are n cities. Most of the land of this country is covered by forest. Furthermore, the local road system forms a tree (connecte...
instruction
0
100,344
1
200,688
Yes
output
1
100,344
1
200,689
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Fair Nut is going to travel to the Tree Country, in which there are n cities. Most of the land of this country is covered by forest. Furthermore, the local road system forms a tree (connecte...
instruction
0
100,345
1
200,690
Yes
output
1
100,345
1
200,691
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Fair Nut is going to travel to the Tree Country, in which there are n cities. Most of the land of this country is covered by forest. Furthermore, the local road system forms a tree (connecte...
instruction
0
100,346
1
200,692
Yes
output
1
100,346
1
200,693
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Fair Nut is going to travel to the Tree Country, in which there are n cities. Most of the land of this country is covered by forest. Furthermore, the local road system forms a tree (connecte...
instruction
0
100,347
1
200,694
Yes
output
1
100,347
1
200,695
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Fair Nut is going to travel to the Tree Country, in which there are n cities. Most of the land of this country is covered by forest. Furthermore, the local road system forms a tree (connecte...
instruction
0
100,348
1
200,696
No
output
1
100,348
1
200,697
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Fair Nut is going to travel to the Tree Country, in which there are n cities. Most of the land of this country is covered by forest. Furthermore, the local road system forms a tree (connecte...
instruction
0
100,349
1
200,698
No
output
1
100,349
1
200,699
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Fair Nut is going to travel to the Tree Country, in which there are n cities. Most of the land of this country is covered by forest. Furthermore, the local road system forms a tree (connecte...
instruction
0
100,350
1
200,700
No
output
1
100,350
1
200,701
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The Fair Nut is going to travel to the Tree Country, in which there are n cities. Most of the land of this country is covered by forest. Furthermore, the local road system forms a tree (connecte...
instruction
0
100,351
1
200,702
No
output
1
100,351
1
200,703
Provide tags and a correct Python 3 solution for this coding contest problem. In the capital city of Berland, Bertown, demonstrations are against the recent election of the King of Berland. Berland opposition, led by Mr. Ovalny, believes that the elections were not fair enough and wants to organize a demonstration at ...
instruction
0
100,606
1
201,212
Tags: greedy Correct Solution: ``` from sys import stdin, stdout n, k = map(int, stdin.readline().split()) value = int(stdin.readline()) prices = list(map(int, stdin.readline().split())) used = {} challengers = prices[:-1] for i in range(n - 1): challengers[i] = (challengers[i], i) challengers.sort(reverse = Tr...
output
1
100,606
1
201,213
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the capital city of Berland, Bertown, demonstrations are against the recent election of the King of Berland. Berland opposition, led by Mr. Ovalny, believes that the elections were not fair e...
instruction
0
100,607
1
201,214
No
output
1
100,607
1
201,215
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the capital city of Berland, Bertown, demonstrations are against the recent election of the King of Berland. Berland opposition, led by Mr. Ovalny, believes that the elections were not fair e...
instruction
0
100,608
1
201,216
No
output
1
100,608
1
201,217
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the capital city of Berland, Bertown, demonstrations are against the recent election of the King of Berland. Berland opposition, led by Mr. Ovalny, believes that the elections were not fair e...
instruction
0
100,609
1
201,218
No
output
1
100,609
1
201,219
Provide a correct Python 3 solution for this coding contest problem. In the State of Takahashi in AtCoderian Federation, there are N cities, numbered 1, 2, ..., N. M bidirectional roads connect these cities. The i-th road connects City A_i and City B_i. Every road connects two distinct cities. Also, for any two cities...
instruction
0
101,000
1
202,000
"Correct Solution: ``` import sys input = sys.stdin.readline def is_bipartite(graph, s): """二部グラフ判定する""" n = len(graph) col = [-1] * n col[s] = 0 stack = [s] used[s] = True while stack: v = stack.pop() for nxt_v in graph[v]: used[nxt_v] = True if col...
output
1
101,000
1
202,001
Provide a correct Python 3 solution for this coding contest problem. In the State of Takahashi in AtCoderian Federation, there are N cities, numbered 1, 2, ..., N. M bidirectional roads connect these cities. The i-th road connects City A_i and City B_i. Every road connects two distinct cities. Also, for any two cities...
instruction
0
101,001
1
202,002
"Correct Solution: ``` N,M = map(int,input().split()) E = [[False]*N for _ in range(N)] for n in range(N): E[n][n] = True for _ in range(M): a,b = map(int,input().split()) a,b = a-1,b-1 E[a][b] = True E[b][a] = True unvisited = set(range(N)) color = [None]*N components = [] while unvisited: v0 = next(...
output
1
101,001
1
202,003
Provide a correct Python 3 solution for this coding contest problem. In the State of Takahashi in AtCoderian Federation, there are N cities, numbered 1, 2, ..., N. M bidirectional roads connect these cities. The i-th road connects City A_i and City B_i. Every road connects two distinct cities. Also, for any two cities...
instruction
0
101,002
1
202,004
"Correct Solution: ``` from collections import defaultdict, deque import sys input = sys.stdin.readline N, M = map(int, input().split()) edges = [list(range(N)) for i in range(N)] for i in range(N): edges[i].remove(i) for _ in range(M): a, b = map(int, input().split()) edges[a-1].remove(b-1) edges[b-1]....
output
1
101,002
1
202,005
Provide a correct Python 3 solution for this coding contest problem. In the State of Takahashi in AtCoderian Federation, there are N cities, numbered 1, 2, ..., N. M bidirectional roads connect these cities. The i-th road connects City A_i and City B_i. Every road connects two distinct cities. Also, for any two cities...
instruction
0
101,003
1
202,006
"Correct Solution: ``` import sys sys.setrecursionlimit(10**7) N,M = map(int,input().split()) es = [tuple(map(lambda x:int(x)-1,input().split())) for i in range(M)] gr = [[0 for j in range(N)] for i in range(N)] for a,b in es: gr[a][b] = gr[b][a] = 1 compgr = [[] for i in range(N)] for i in range(N-1): for j i...
output
1
101,003
1
202,007
Provide a correct Python 3 solution for this coding contest problem. In the State of Takahashi in AtCoderian Federation, there are N cities, numbered 1, 2, ..., N. M bidirectional roads connect these cities. The i-th road connects City A_i and City B_i. Every road connects two distinct cities. Also, for any two cities...
instruction
0
101,004
1
202,008
"Correct Solution: ``` import sys input = sys.stdin.readline from collections import defaultdict # 切り離す必要があるものを辺として、二部グラフの判定 N,M = map(int,input().split()) # 補グラフ graph = [set(x for x in range(N) if x != y) for y in range(N)] for _ in range(M): a,b = map(lambda x: int(x) - 1,input().split()) graph[a].remove(b...
output
1
101,004
1
202,009
Provide a correct Python 3 solution for this coding contest problem. In the State of Takahashi in AtCoderian Federation, there are N cities, numbered 1, 2, ..., N. M bidirectional roads connect these cities. The i-th road connects City A_i and City B_i. Every road connects two distinct cities. Also, for any two cities...
instruction
0
101,005
1
202,010
"Correct Solution: ``` import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time,copy,functools sys.setrecursionlimit(10**7) inf = 10**20 eps = 1.0 / 10**10 mod = 998244353 dd = [(0,-1),(1,0),(0,1),(-1,0)] ddn = [(0,-1),(1,-1),(1,0),(1,1),(0,1),(-1,-1),(-1,0),(-1,1)] def LI(): return [i...
output
1
101,005
1
202,011
Provide a correct Python 3 solution for this coding contest problem. In the State of Takahashi in AtCoderian Federation, there are N cities, numbered 1, 2, ..., N. M bidirectional roads connect these cities. The i-th road connects City A_i and City B_i. Every road connects two distinct cities. Also, for any two cities...
instruction
0
101,006
1
202,012
"Correct Solution: ``` """ Writer:SPD_9X2 https://atcoder.jp/contests/arc099/tasks/arc099_c なるべく均等に分けるのが正解 制約を受けるのはv-uの辺が存在しない場合 補グラフで考えると、辺がある2点は同じ側に属してはいけない、という問題になる →2部グラフにならない連結成分がある場合-1 あとは、連結成分ごとにどちらに属すかを決め、その差を最小化すればよい →dpで見つけられる! """ import sys N,M = map(int,input().split()) AB = [] olis = [ [1] * N for i...
output
1
101,006
1
202,013
Provide a correct Python 3 solution for this coding contest problem. In the State of Takahashi in AtCoderian Federation, there are N cities, numbered 1, 2, ..., N. M bidirectional roads connect these cities. The i-th road connects City A_i and City B_i. Every road connects two distinct cities. Also, for any two cities...
instruction
0
101,007
1
202,014
"Correct Solution: ``` # 問題の趣旨:できるだけ辺が少なくなるように2つの完全グラフに分けたい # まず、2つの完全グラフに分けられるのかを調べる必要がある。 # これが不可能であれば-1を出力して即座に終了。 # 分けられる場合は、できるだけ街の数を均等にしたい。 # 以下のアルゴリズムを考える。 # まずお互い繋がっていない都市の組A,Bを選ぶ。 # すると、Aにしか繋がっていない街、Bにしか繋がっていない街、 # 両方に繋がっている街の3グループに分かれる。 # 最初の2グループについてはグループのサイズを保存しておく。 # 最後のグループが空でない場合は、このグループに対してまた同様の処理を行う。 ...
output
1
101,007
1
202,015
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the State of Takahashi in AtCoderian Federation, there are N cities, numbered 1, 2, ..., N. M bidirectional roads connect these cities. The i-th road connects City A_i and City B_i. Every roa...
instruction
0
101,008
1
202,016
Yes
output
1
101,008
1
202,017
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the State of Takahashi in AtCoderian Federation, there are N cities, numbered 1, 2, ..., N. M bidirectional roads connect these cities. The i-th road connects City A_i and City B_i. Every roa...
instruction
0
101,009
1
202,018
Yes
output
1
101,009
1
202,019
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the State of Takahashi in AtCoderian Federation, there are N cities, numbered 1, 2, ..., N. M bidirectional roads connect these cities. The i-th road connects City A_i and City B_i. Every roa...
instruction
0
101,010
1
202,020
Yes
output
1
101,010
1
202,021
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the State of Takahashi in AtCoderian Federation, there are N cities, numbered 1, 2, ..., N. M bidirectional roads connect these cities. The i-th road connects City A_i and City B_i. Every roa...
instruction
0
101,011
1
202,022
Yes
output
1
101,011
1
202,023
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the State of Takahashi in AtCoderian Federation, there are N cities, numbered 1, 2, ..., N. M bidirectional roads connect these cities. The i-th road connects City A_i and City B_i. Every roa...
instruction
0
101,012
1
202,024
No
output
1
101,012
1
202,025
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the State of Takahashi in AtCoderian Federation, there are N cities, numbered 1, 2, ..., N. M bidirectional roads connect these cities. The i-th road connects City A_i and City B_i. Every roa...
instruction
0
101,013
1
202,026
No
output
1
101,013
1
202,027
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the State of Takahashi in AtCoderian Federation, there are N cities, numbered 1, 2, ..., N. M bidirectional roads connect these cities. The i-th road connects City A_i and City B_i. Every roa...
instruction
0
101,014
1
202,028
No
output
1
101,014
1
202,029
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the State of Takahashi in AtCoderian Federation, there are N cities, numbered 1, 2, ..., N. M bidirectional roads connect these cities. The i-th road connects City A_i and City B_i. Every roa...
instruction
0
101,015
1
202,030
No
output
1
101,015
1
202,031
Provide a correct Python 3 solution for this coding contest problem. A railroad running from west to east in Atcoder Kingdom is now complete. There are N stations on the railroad, numbered 1 through N from west to east. Tomorrow, the opening ceremony of the railroad will take place. On this railroad, for each integ...
instruction
0
101,016
1
202,032
"Correct Solution: ``` N = int(input()) CSF = [list(map(int, input().split())) for _ in range(N - 1)] def ceil(x, y): return (x -1) // y + 1 for i in range(N - 1): n = 0 for j in range(i, N - 1): c, s, f = CSF[j] if n <= s: n = s n = s + ceil(n - s, f) * f + c print(n) print(0) ```
output
1
101,016
1
202,033
Provide a correct Python 3 solution for this coding contest problem. A railroad running from west to east in Atcoder Kingdom is now complete. There are N stations on the railroad, numbered 1 through N from west to east. Tomorrow, the opening ceremony of the railroad will take place. On this railroad, for each integ...
instruction
0
101,017
1
202,034
"Correct Solution: ``` def f(): n=int(input()) l=[list(map(int,input().split())) for i in range(n-1)]+[[0,0,1]] for i in range(n): now=0 for a,s,d in l[i:]: now=a+s-(-max(0,now-s)//d)*d print(now) if __name__=="__main__": f() ```
output
1
101,017
1
202,035
Provide a correct Python 3 solution for this coding contest problem. A railroad running from west to east in Atcoder Kingdom is now complete. There are N stations on the railroad, numbered 1 through N from west to east. Tomorrow, the opening ceremony of the railroad will take place. On this railroad, for each integ...
instruction
0
101,018
1
202,036
"Correct Solution: ``` N = int(input()) csf = [list(map(int, input().split())) for _ in range(N-1)] for i in range(N-1): time = 0 for c, s, f in csf[i:]: if time <= s: time = s + c else: if time % f == 0: time += c else: time += c + f - time % f print(time) print(0) ```
output
1
101,018
1
202,037
Provide a correct Python 3 solution for this coding contest problem. A railroad running from west to east in Atcoder Kingdom is now complete. There are N stations on the railroad, numbered 1 through N from west to east. Tomorrow, the opening ceremony of the railroad will take place. On this railroad, for each integ...
instruction
0
101,019
1
202,038
"Correct Solution: ``` n = int(input()) ans = [0] * n for i in range(1, n): c, s, f = list(map(int, input().split())) for j in range(i): ans[j] = max(ans[j], s) ans[j] = ((ans[j]+f-1)//f) * f ans[j] += c for a in ans: print(a) ```
output
1
101,019
1
202,039
Provide a correct Python 3 solution for this coding contest problem. A railroad running from west to east in Atcoder Kingdom is now complete. There are N stations on the railroad, numbered 1 through N from west to east. Tomorrow, the opening ceremony of the railroad will take place. On this railroad, for each integ...
instruction
0
101,020
1
202,040
"Correct Solution: ``` n = int(input()) csf=[] for _ in range(n-1): c,s,f=map(int,input().split()) csf.append((c,s,f)) ans=[0]*n for i,(c,s,f) in enumerate(csf): for j in range(0,i+1): if ans[j]<=s: ans[j]=s+c else: ans[j]=(ans[j]+f-1)//f*f+c for x in ans: print(x...
output
1
101,020
1
202,041
Provide a correct Python 3 solution for this coding contest problem. A railroad running from west to east in Atcoder Kingdom is now complete. There are N stations on the railroad, numbered 1 through N from west to east. Tomorrow, the opening ceremony of the railroad will take place. On this railroad, for each integ...
instruction
0
101,021
1
202,042
"Correct Solution: ``` N = int(input()) CSF = [list(map(int, input().split())) for _ in range(N-1)] for i in range(N): ans = 0 for j in range(i, N-1): if ans >= CSF[j][1]: ans = -(-ans//CSF[j][2]*CSF[j][2]) + CSF[j][0] else: ans = CSF[j][1] + CSF[j][0] print(ans) ```
output
1
101,021
1
202,043
Provide a correct Python 3 solution for this coding contest problem. A railroad running from west to east in Atcoder Kingdom is now complete. There are N stations on the railroad, numbered 1 through N from west to east. Tomorrow, the opening ceremony of the railroad will take place. On this railroad, for each integ...
instruction
0
101,022
1
202,044
"Correct Solution: ``` N=int(input()) csf=[list(map(int,input().split()))for _ in range(N-1)] i=0 while i<N: ans=0 j=i while j<N-1: c,s,f=list(csf[j]) ans=max(ans,s) if ans%f: ans+=f-ans%f ans+=c j+=1 print(ans) i+=1 ```
output
1
101,022
1
202,045
Provide a correct Python 3 solution for this coding contest problem. A railroad running from west to east in Atcoder Kingdom is now complete. There are N stations on the railroad, numbered 1 through N from west to east. Tomorrow, the opening ceremony of the railroad will take place. On this railroad, for each integ...
instruction
0
101,023
1
202,046
"Correct Solution: ``` N = int(input()) ans = [0 for i in range(N)] import math for i in range(N-1): c, s, f = map(int, input().split()) for j in range(i+1): if ans[j]>=s: x = math.ceil((ans[j]-s)/f) ans[j] = s+f*x+c else: ans[j] = s+c for i in range(N): print(ans[i]) ```
output
1
101,023
1
202,047
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A railroad running from west to east in Atcoder Kingdom is now complete. There are N stations on the railroad, numbered 1 through N from west to east. Tomorrow, the opening ceremony of the rai...
instruction
0
101,024
1
202,048
Yes
output
1
101,024
1
202,049
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A railroad running from west to east in Atcoder Kingdom is now complete. There are N stations on the railroad, numbered 1 through N from west to east. Tomorrow, the opening ceremony of the rai...
instruction
0
101,025
1
202,050
Yes
output
1
101,025
1
202,051
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A railroad running from west to east in Atcoder Kingdom is now complete. There are N stations on the railroad, numbered 1 through N from west to east. Tomorrow, the opening ceremony of the rai...
instruction
0
101,026
1
202,052
Yes
output
1
101,026
1
202,053
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A railroad running from west to east in Atcoder Kingdom is now complete. There are N stations on the railroad, numbered 1 through N from west to east. Tomorrow, the opening ceremony of the rai...
instruction
0
101,027
1
202,054
Yes
output
1
101,027
1
202,055
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A railroad running from west to east in Atcoder Kingdom is now complete. There are N stations on the railroad, numbered 1 through N from west to east. Tomorrow, the opening ceremony of the rai...
instruction
0
101,028
1
202,056
No
output
1
101,028
1
202,057
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A railroad running from west to east in Atcoder Kingdom is now complete. There are N stations on the railroad, numbered 1 through N from west to east. Tomorrow, the opening ceremony of the rai...
instruction
0
101,029
1
202,058
No
output
1
101,029
1
202,059
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A railroad running from west to east in Atcoder Kingdom is now complete. There are N stations on the railroad, numbered 1 through N from west to east. Tomorrow, the opening ceremony of the rai...
instruction
0
101,030
1
202,060
No
output
1
101,030
1
202,061
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A railroad running from west to east in Atcoder Kingdom is now complete. There are N stations on the railroad, numbered 1 through N from west to east. Tomorrow, the opening ceremony of the rai...
instruction
0
101,031
1
202,062
No
output
1
101,031
1
202,063
Provide a correct Python 3 solution for this coding contest problem. Railroad Trip There are N cities in the JOI country, numbered 1, 2, ..., and N, respectively. In addition, there are N − 1 railroads, which are numbered 1, 2, ..., and N − 1, respectively. The railroad i (1 ≤ i ≤ N − 1) connects the city i and the c...
instruction
0
101,122
1
202,244
"Correct Solution: ``` N,M = map(int,input().split()) P = list(map(int,input().split())) cs = [0] * N prices = [] # paper,ic,事前購入 for _ in range(N-1): prices.append(list(map(int,input().split()))) for i in range(M-1): cur = P[i] nxt = P[i+1] cs[min(nxt-1, cur-1)] += 1 cs[max(nxt-1, cur-1)] -= 1 for i in r...
output
1
101,122
1
202,245