Submission #1234881

#	Time	Username	Problem	Language	Result	Execution time	Memory
1234881		Hanksburger	Hack (APIO25_hack)	C++20	25 / 100	1234 ms	16452 KiB

hack

#include "hack.h"
#include <bits/stdc++.h>
#define ll long long
using namespace std;
int hack()
{
    vector<ll> tmp;
    for (ll i=1; i<=1000000; i++)
        tmp.push_back(i);
    ll res=collisions(tmp);
    for (ll i=2; i<=1000000; i++)
        if ((999999LL/i+1)*(999999LL/i)/2*(999999LL%i+1)+(999999LL/i)*(999999LL/i-1)/2*(i-999999LL%i-1)==res)
            return i;
    return 0;
}

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