oj.uz

Submission #826227

# Submission time Handle Problem Language Result Execution time Memory
826227 2023-08-15T11:21:39 Z vnm06 Toy Train (IOI17_train) C++14
0 / 100
 556 ms 3364 KB 
#include<bits/stdc++.h>
#include "train.h"

using namespace std;

int n, m;
bool isC[5005], used[5005];
vector<int> gr[5005], rev_gr[5005];

void dfs(int v)
{
    int brs=gr[v].size();
    for(int i=0; i<brs; i++)
    {
        int nv=gr[v][i];
        if(used[nv]) continue;
        used[nv]=1;
        dfs(nv);
    }
}

vector<int> ans;

void dfs2(int v)
{
    ans[v-1]=1;
    int brs=rev_gr[v].size();
    for(int i=0; i<brs; i++)
    {
        int nv=rev_gr[v][i];
        if(ans[nv-1]) continue;
        dfs2(nv);
    }
}

std::vector<int> who_wins(std::vector<int> a, std::vector<int> r, std::vector<int> u, std::vector<int> v)
{
    n=a.size();
    ans.resize(n);
    m=u.size();
    for(int i=0; i<n; i++) if(r[i]) isC[i+1]=1;
    for(int i=0; i<m; i++)
    {
        gr[u[i]].push_back(v[i]);
        rev_gr[v[i]].push_back(u[i]);
    }
    for(int i=1; i<=n; i++)
    {
        if(isC[i])
        {
            dfs(i);
            if(!used[i]) isC[i]=0;
            memset(used, 0, sizeof(used));
        }
    }
    for(int i=1; i<=n; i++)
    {
        if(isC[i]) dfs2(i);
    }
    return ans;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 84 ms 2524 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 924 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Runtime error 17 ms 3364 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Runtime error 556 ms 2600 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 7 ms 3040 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #6
0 / 51.0

# Verdict Execution time Memory Grader output
1 Runtime error 84 ms 2524 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -