제출 #703427

#제출 시각아이디문제언어결과실행 시간메모리
703427SamNguyenThe Big Prize (IOI17_prize)C++14
20 / 100
1 ms336 KiB
#include "prize.h"
#include <bits/stdc++.h>
using namespace std;

namespace SUB1 {
    int find_best(int n) {
        int l = 0, r = n - 1;
        while (l <= r) {
            int m = (l + r) >> 1;
            auto cnt = ask(m);

            if (cnt[0] == cnt[1])
                return m;

            if (cnt[0] < cnt[1])
                l = m + 1;
            else
                r = m - 1;
        }

        return -1;
    }
}

int find_best(int n) {
    return SUB1::find_best(n);
}
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