Submission #1251942

#	Time	Username	Problem	Language	Result	Execution time	Memory
1251942		alwaus424	Finding Routers (IOI20_routers)	C++20	0 / 100	0 ms	324 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);
    if(n ==1) return ans;
    int lo = 2,hi = l;
    if(hi & 1) hi--;
    while (lo<= hi) {
        int mid = (lo+hi)/2;
        if(mid & 1) mid--;

        int res = use_detector(mid);
        if(res ==0) lo = mid+2;
        else hi = mid-2;

    }
    ans[1] = lo;
    
    return ans;
}

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