Submission #69325

#	Time	Username	Problem	Language	Result	Execution time	Memory
69325		Bodo171	popa (BOI18_popa)	C++14	100 / 100	111 ms	700 KiB

popa

#include "popa.h"
#include <iostream>
using namespace std;
const int nmax=1005;
int st[nmax];
int u,i;
int solve(int N, int* Left, int* Right)
{
    int root=0;
    u=0;
    for(i=0;i<N;i++)
    {
        Left[i]=Right[i]=-1;
        while(u&&query(st[u],i,i,i))
        {
            Right[st[u]]=Left[i];
            Left[i]=st[u];
            u--;
        }
        if(u) Right[st[u]]=i;
        else root=i;
        st[++u]=i;
    }
    return root;
}

• Subtask 1: 37 / 37
• Subtask 2: 24 / 24
• Subtask 3: 39 / 39