Submission #1002381

#	Time	Username	Problem	Language	Result	Execution time	Memory
1002381		Valters07	Portal (BOI24_portal)	C++14	1 / 100	19 ms	2680 KiB

Main

#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")
#define fio ios_base::sync_with_stdio(0);cin.tie(0);
#define en cin.close();return 0;
#define ll long long
#define pb push_back
#define fi first
#define se second
using namespace std;
int main()
{
    fio
//    ifstream cin("in.in");
    int n;
    cin >> n;
    if(n<=2)
        return cout << -1, 0;
    pair<int,int> p[n];
    for(auto &x:p)
        cin >> x.fi >> x.se;
    int d1 = 0, d2 = 0;
    for(auto x:p)
        d1=__gcd(d1,abs(p[0].fi-x.fi)),
        d2=__gcd(d2,abs(p[0].se-x.se));
    cout << 1ll*d1*d2;
    return 0;
}

• Subtask 1: 1 / 1
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 29
• Subtask 5: 0 / 15
• Subtask 6: 0 / 35