Submission #1367506

#	Time	Username	Problem	Language	Result	Execution time	Memory
1367506		waygonz	Hack (APIO25_hack)	C++20	0 / 100	47 ms	3268 KiB

hack

#include "hack.h"
#include <bits/stdc++.h>
#define ll long long

using namespace std;

int hack() {
    int l = 1, r = (int)1e9;
    while (l < r) {
        int mid = (l + r) / 2;
        int N = mid - l + 1;
        int x = sqrt(N);
        set<ll> A;
        for (int i = 1; i <= x; i++) A.emplace(i);
        for (int i = l; i <= mid; i += x) A.emplace(i);
        A.emplace(mid);
        vector<ll> Q;
        for (auto &e : A) Q.emplace_back(e);
        if (collisions(Q)) r = mid - 1;
        else l = mid;
    }
    return l;
}

• Subtask 0: 0 / 0
• Subtask 1: 0 / 8
• Subtask 2: 0 / 17
• Subtask 3: 0 / 75