Compilare: main.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated] #import<fstream> ^~~~~~ main.cpp:2:201: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] using namespace std;ifstream I("patrate2.in");ofstream O("patrate2.out");int i,j,t,n,p[10101];void m(int a){for(t=0,j=1;j<=p[0];++j)p[j]=p[j]*a+t,t=p[j]/10,p[j]%=10;while(t)p[++p[0]]=t%10,t/=10;}main(){p[0]=p[1]=1;for(I>>n,i=2;i<=n;++i)m(i);for(i=1;i<=n*n;i++)m(2);for(i=p[0];i;i--)O<<p[i];} ^