Submission #775918

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
775918	2023-07-07T07:07:43 Z	ttamx	Toy Train (IOI17_train)	C++14	11 / 100	1558 ms	1620 KB

train

#include "train.h"
#include<bits/stdc++.h>

using namespace std;

vector<int> who_wins(vector<int> a, vector<int> r, vector<int> U, vector<int> V) {
	int n=a.size();
    vector<int> ans(n);
    vector<vector<int>> adj(n),radj(n);
    for(int i=0;i<U.size();i++){
        int u=U[i],v=V[i];
        adj[u].emplace_back(v);
        radj[v].emplace_back(u);
    }
    for(int i=0;i<n;i++){
        if(!r[i])continue;
        vector<bool> vis(n);
        function<void(int)> dfs=[&](int u){
            for(auto v:adj[u]){
                if(!vis[v]){
                    vis[v]=true;
                    dfs(v);
                }
            }
        };
        dfs(i);
        if(!vis[i])continue;
        vector<bool> rvis(n);
        function<void(int)> rdfs=[&](int u){
            if(rvis[u])return;
            rvis[u]=true;
            ans[u]=1;
            for(auto v:radj[u])rdfs(v);
        };
        rdfs(i);
    }
	return ans;
}

Compilation message

train.cpp: In function 'std::vector<int> who_wins(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
train.cpp:10:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |     for(int i=0;i<U.size();i++){
      |                 ~^~~~~~~~~

Subtask #1
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	159 ms	1236 KB	3rd lines differ - on the 1st token, expected: '0', found: '1'
2	Halted	0 ms	0 KB	-

Subtask #2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	212 KB	3rd lines differ - on the 8th token, expected: '0', found: '1'
2	Halted	0 ms	0 KB	-

Subtask #3
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	1364 KB	Output is correct
2	Correct	20 ms	1512 KB	Output is correct
3	Correct	43 ms	1556 KB	Output is correct
4	Correct	533 ms	1528 KB	Output is correct
5	Correct	59 ms	1472 KB	Output is correct
6	Correct	61 ms	1364 KB	Output is correct
7	Correct	505 ms	1340 KB	Output is correct
8	Correct	6 ms	1364 KB	Output is correct
9	Correct	5 ms	1364 KB	Output is correct
10	Correct	8 ms	1252 KB	Output is correct
11	Correct	6 ms	1236 KB	Output is correct
12	Correct	5 ms	1236 KB	Output is correct
13	Correct	6 ms	1492 KB	Output is correct
14	Correct	8 ms	1520 KB	Output is correct
15	Correct	6 ms	1536 KB	Output is correct
16	Correct	8 ms	1620 KB	Output is correct
17	Correct	7 ms	1512 KB	Output is correct
18	Correct	120 ms	1236 KB	Output is correct