제출 #222992

#제출 시각아이디문제언어결과실행 시간메모리
222992abra_stoneHotter Colder (IOI10_hottercolder)C++14
77 / 100
665 ms12372 KiB
#include "grader.h"

int HC(int N){
    int l = 1, r = N, m1, m2, t;
    while (l < r) {
        m1 = (l + r) / 2;
        m2 = m1 + 1;
        if ((l - r) % 2 == 0) m1--;
        Guess(m1);
        t = Guess(m2);
        if (t == 0) return m1 + 1;
        else if (t == 1) l = m2;
        else r = m1;
    }
    return l;
}
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