Submission #1024381

#	Time	Username	Problem	Language	Result	Execution time	Memory
1024381		12345678	Finding Routers (IOI20_routers)	C++17	100 / 100	1 ms	608 KiB

routers

#include "routers.h"
#include <bits/stdc++.h>

using namespace std;

const int nx=1e3+5;

vector<int> f(nx);

void solve(int l, int r, int ql, int qr)
{
    if (qr<ql) return;
    if (l==r) return f[ql]=l, void();
    int md=(l+r)/2, t=use_detector(md);
    solve(l, md, ql, t);
    solve(md+1, r, t+1, qr);
}

vector<int> find_routers(int L, int n, int q) {
    int lst=0;
    vector<int> res(n);
    solve(1, L, 1, n-1);
    for (int i=1; i<n; i++)
    {
        int cnt=f[i]-lst-2;
        res[i]=f[i]+cnt;
        lst=res[i];
    }
    return res;
}

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