Submission #1264767

#	Time	Username	Problem	Language	Result	Execution time	Memory
1264767		Nika533	Portal (BOI24_portal)	C++20	10 / 100	45 ms	1864 KiB

Main

#include <bits/stdc++.h>
#define int long long
#define pb push_back
using namespace std;

const int N=1e5+5;
int n,x[N],y[N];

main() {
    cin>>n;
    for (int i=1; i<=n; i++) cin>>x[i]>>y[i];
    sort(x+1,x+1+n); sort(y+1,y+1+n);
    int X=0,Y=0;
    for (int i=2; i<=n; i++) {
        X=__gcd(X,(x[i]-x[i-1]));
        Y=__gcd(Y,(y[i]-y[i-1]));
    }
    if (X*Y==0) cout<<-1<<endl;
    else cout<<X*Y<<endl;
}

Compilation message (stderr)

Main.cpp:9:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    9 | main() {
      | ^~~~

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