Submission #425898

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
425898	2021-06-13T12:16:32 Z	Hazem	Toy Train (IOI17_train)	C++14	0 / 100	1342 ms	1568 KB

train

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

using namespace std;
const int N = 5e3+10;

vector<int>adj[N],R,A;
unordered_set<int>st;
int cnt[N];
int n,m;
bool vis[N],ispar[N];

bool dfs(int i,int pre){

	if(vis[i])
		return 0;

	ispar[i] = 1;vis[i] = 1;
	cnt[i] += cnt[pre]+R[i];
	bool ret = 0;
	for(auto x:adj[i]){
		ret |= dfs(x,i);
		if(st.find(x)==st.end())
			continue;
		if(cnt[i]-cnt[x]+R[x]>0)ret = 1;
	}
	ispar[i] = 0;
	return ret;
}

vector<int>ans;
std::vector<int> who_wins(std::vector<int> a, std::vector<int> r, std::vector<int> u, std::vector<int> v) {

	n = a.size(),m = u.size();
	A = a;R = r;
	for(int i=0;i<m;i++)
		adj[u[i]].push_back(v[i]);
	
	for(int i=0;i<n;i++){
		ans.push_back(dfs(i,n+1));
		memset(vis,0,sizeof(vis));
		memset(cnt,0,sizeof(cnt));
	}
	return ans;
}

Subtask #1
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	320 ms	1188 KB	3rd lines differ - on the 14th token, expected: '1', found: '0'
2	Halted	0 ms	0 KB	-

Subtask #2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	1 ms	332 KB	3rd lines differ - on the 2nd token, expected: '1', found: '0'
2	Halted	0 ms	0 KB	-

Subtask #3
0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	282 ms	1468 KB	Output is correct
2	Correct	286 ms	1404 KB	Output is correct
3	Correct	292 ms	1476 KB	Output is correct
4	Incorrect	1279 ms	1568 KB	3rd lines differ - on the 1st token, expected: '1', found: '0'
5	Halted	0 ms	0 KB	-