oj.uz

Submission #32323

# Submission time Handle Problem Language Result Execution time Memory
32323 2017-10-09T01:10:31 Z dqhungdl File Paths (BOI15_fil) C++14
0 / 100
 0 ms 2220 KB 
#include <bits/stdc++.h>
using namespace std;

int n,m,k,s,p[6005],l[6005];

void Sub2()
{
    for(int i=n+1;i<=n+m;i++)
    {
        int u=i,len=0;
        bool check=false;
        while(u>0)
        {
            len+=l[u];
            if(len>k)
                break;
            if(len==k||len+s==k)
            {
                cout<<"YES\n";
                check=true;
                break;
            }
            u=p[u];
        }
        if(check==false)
            cout<<"NO\n";
    }
}

int main()
{
    ios_base::sync_with_stdio(false);
    //freopen("FIL.INP","r",stdin);
    cin>>n>>m>>k>>s;
    s++;
    for(int i=1;i<=n+m;i++)
    {
        cin>>p[i]>>l[i];
        l[i]++;
    }
    if(n<=3000&&m<=3000)
        Sub2();
}

Subtask #1
0 / 33.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2220 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 33.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 2220 KB Execution killed because of forbidden syscall writev (20)
2 Halted 0 ms 0 KB -

Subtask #3
0 / 34.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2220 KB Output isn't correct
2 Halted 0 ms 0 KB -