Cod sursa(job #3339021)
| Utilizator | Data | 5 februarie 2026 18:59:49 | |
|---|---|---|---|
| Problema | Patrate2 | Scor | 10 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva de probleme | Marime | 0.49 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream fin("patrate2.in");
ofstream fout("patrate2.out");
#define cin fin
#define cout fout
#define ll long long
ll power(ll a, ll b) {
ll s=1;
while(b>0) {
if (b%2==1) {
s *= a;
}
b/=2;
a*=a;
}
return s;
}
int main() {
int n;
cin >> n;
if (n==1) {
cout << 2;
return 0;
}
cout << 1LL* 4 * power(2, n*n-1);
return 0;
}
