Submission #1252013

#	Time	Username	Problem	Language	Result	Execution time	Memory
1252013		aritro_	Finding Routers (IOI20_routers)	C++20	70.13 / 100	1 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);
    vector<int> ans;
    ans.push_back(0);
    for(int i=1;i<n;i++){
        int cur=0;
        int l=ans[i-1]+1,r=mx,mid;
        while(l<=r){
            mid=(l+r)/2;
            int tem=use_detector(mid);
            if(i<=tem) r=mid-1;
            else{
                if(tem==i-1) cur=mid;
                l=mid+1;
            }
        }
        ans.push_back((cur*2)-ans[i-1]);
        //ans.push_back(cur+1);
    }
    return ans;
}

• Subtask 1: 16 / 16
• Subtask 2: 21 / 21
• Subtask 3: 23 / 23
• Subtask 4: 10.1344 / 40