Submission #382969

#	Time	Username	Problem	Language	Result	Execution time	Memory
382969		Alma	Finding Routers (IOI20_routers)	C++14	0 / 100	1 ms	492 KiB

routers

#include <bits/stdc++.h>
#include "routers.h"
using namespace std;

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

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