Submission #1251956

#	Time	Username	Problem	Language	Result	Execution time	Memory
1251956		alwaus424	Finding Routers (IOI20_routers)	C++20	39 / 100	0 ms	328 KiB

routers

#include "routers.h"
using namespace std;

std::vector<int> find_routers(int l, int n, int q) {
    std::vector<int> ans(n,0);
    int lo =1,hi = l;
    while(lo<hi){
      int mid = (lo+hi)/2;
      int idx = use_detector(mid);
      if(idx == 1) hi = mid;
      else lo = mid+1;
    }

    int k = (lo-1)*2;
    ans[1] = k;
    return ans;
}

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