제출 #101581

#제출 시각아이디문제언어결과실행 시간메모리
101581lycpopa (BOI18_popa)C++14
0 / 100
13 ms392 KiB
#include <popa.h>

int solve(int N, int* Left, int* Right) {
    int rt = 0;
    for (int i = 0; i < N; ++i) Left[i] = Right[i] = -1;

    for (int i = 1; i < N; ++i) {
        int same = query(0, rt, rt, i);
        if (same && Right[rt] == -1) {
            Right[rt] = i;
        }
        else {
            Left[i] = rt;
            rt = i;
        }
    }
    return rt;
}
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