제출 #71933

#제출 시각아이디문제언어결과실행 시간메모리
71933블랙야크 (#119)일하는 개미 (FXCUP3_ant)C++17
100 / 100
2 ms436 KiB
#include "ant.h"
#include <math.h>
#include <algorithm>
#include <stdio.h>
using namespace std;

int FindK() {
    int low = 1, high = 1e8, res = -1;
    while(low <= high) {
        int mid = (low + high) / 2;
		if(low == 1 && high == 1e8) mid = (low + 2 * high) / 3;
        int t = DeliverCount(mid);
    	if(t == 0) low = mid + 1;
		else if(t == 1) {
			res = mid;
			high = mid - 1;
			low = max(low, mid / 2 + 1);
		}
		else {
			high = mid / 2;
		}
	}
    return res;
}
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