Submission #1218783

#	Time	Username	Problem	Language	Result	Execution time	Memory
1218783		abdelhakim	Hack (APIO25_hack)	C++20	0 / 100	3075 ms	78696 KiB

hack

#include "hack.h"
#include <bits/stdc++.h>
#define ll long long
#define dbg(x) cerr << #x << ' ' << x << endl;
using namespace std;
int hack()
{
    vector<ll> x;
    for (int i=1;i<=1e6;i++)
    {
        x.push_back(i);
    }
    map<ll,ll> id;
    ll maxn=1e6;
    for (int n=2;n<=1e6;n++)
    {
        ll val=maxn/n*(maxn) - n*((1+maxn/n)*(maxn/n))/2;
        id[val]=n;
    }
    ll ans=collisions(x);
    return id[ans];
}

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