Submission #1364407

#	Time	Username	Problem	Language	Result	Execution time	Memory
1364407		mahriban	Hack (APIO25_hack)	C++20	25 / 100	775 ms	16088 KiB

hack

#include "hack.h"
#include <bits/stdc++.h>
#include <vector>
using namespace std;
int hack(){
    vector<long long> v(1000000);
    iota(v.begin(), v.end(), 1);
    long long x = collisions(v);
    for (long long i = 2; i <= 1000000; i ++){
        if (x == (i * (1000000 / i) * ((1000000 / i) - 1)) / 2 + (1000000 / i) * (1000000 % i)){
            return i;
        }
    }
    return -1;
}

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