Submission #61959

#	Time	Username	Problem	Language	Result	Execution time	Memory
61959		khsoo01	popa (BOI18_popa)	C++11	100 / 100	141 ms	704 KiB

popa

#include<bits/stdc++.h>
#include"popa.h"
using namespace std;

int solve (int N, int *Left, int *Right) {
	for(int i=0;i<N;i++) {
		Left[i] = Right[i] = -1;
	}
	vector<int> S;
	S.push_back(0);
	for(int i=1;i<N;i++) {
		int T;
		while(!S.empty()) {
			T = S.back();
			if(query(T, T, T, i)) {
				Left[i] = Right[T];
				Right[T] = i;
				break;
			}
			else S.pop_back();
		}
		if(S.empty()) {
			Left[i] = T;
		}
		S.push_back(i);
	}
	return S[0];
}

Compilation message (stderr)

popa.cpp: In function 'int solve(int, int*, int*)':
popa.cpp:23:12: warning: 'T' may be used uninitialized in this function [-Wmaybe-uninitialized]
    Left[i] = T;
    ~~~~~~~~^~~

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