Submission #1251949

#	Time	Username	Problem	Language	Result	Execution time	Memory
1251949		aritro_	Finding Routers (IOI20_routers)	C++20	39 / 100	0 ms	328 KiB

routers

#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};
}

• Subtask 1: 16 / 16
• Subtask 2: 0 / 21
• Subtask 3: 23 / 23
• Subtask 4: 0 / 40