제출 #1251949

#제출 시각아이디문제언어결과실행 시간메모리
1251949aritro_Finding Routers (IOI20_routers)C++20
39 / 100
0 ms328 KiB
#include "routers.h"
#include<bits/stdc++.h>
using namespace std;

/*int use_detector(int x){
    int tem;
    cout<<x;
    cin>>tem;
    return tem;
}*/

vector<int> find_routers(int mx, int n, int q){
    //call with: use_detector(x);
    //solve for: 2 routers
    int l=0,r=mx,mid;
    int ans=0;
    while(l<=r){
        mid=(l+r)/2;
        int tem=use_detector(mid);
        if(tem==0) ans=mid,l=mid+1;
        else r=mid-1;
    }
    ans++;
    return {0,(ans-1)*2};
}
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