Submission #703040

#	Time	Username	Problem	Language	Result	Execution time	Memory
703040		siewjh	popa (BOI18_popa)	C++17	100 / 100	92 ms	416 KiB

popa

#include <bits/stdc++.h>
#include "popa.h"
using namespace std;
int solve(int N, int* Left, int* Right){
    stack<int> s;
    for (int i = 0; i < N; i++){
        Left[i] = -1;
        Right[i] = -1;
    }
    for (int i = 0; i < N; i++){
        int prv = -1;
        while (!s.empty()){
            int x = s.top();
            if (query(x, x, x, i)) {
                Right[x] = i;
                break;
            }
            prv = x;
            s.pop();
        }
        Left[i] = prv;
        s.push(i);
    }
    while (s.size() > 1) s.pop();
    return s.top();
}

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