Cod sursa(job #2785206)
Utilizator | Girbovan Robert Luca BlueLuca888 | Data | 18 octombrie 2021 10:18:11 |
---|---|---|---|
Problema | Patrate2 | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.65 kb |
#include <bits/stdc++.h>
#define LL long long
using namespace std;
ifstream fin ("patrate2.in");
ofstream fout ("patrate2.out");
int v[5005];
int n;
void prd(int x){
long long t=0;
for(int i=1; i<=v[0]; i++){
v[i] = v[i]*x + t;
t = v[i]/10;
v[i] %= 10;
}
while(t != 0){
v[++v[0]] = t % 10;
t /= 10;
}
}
int main (){
fin>>n;
v[0]=v[1]=1;
for(int i=2; i<=n; i++)
prd(i);
for(int i=1; i<=n*n; i++)
prd(2);
for(int i=v[0]; i>=1; i--)
fout<<v[i];
return 0;
}
/**
0 0
0 0
2^(n-1)*n
n! -> 2
*2
**/