Compilare: main.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated] #import<fstream> ^~~~~~ main.cpp:2:65: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] std::ifstream f("noname.in");std::ofstream g("noname.out");main(){int N,A[1000],B[1000],i,j;f>>N;for(i=0;i<N;i++)f>>A[i];for(i=0;i<N;i++)f>>B[i];g<<1<<"\n";for(i=0;i<N;i++){for(j=0;j<N;j++)g<<(A[i]+B[j]>N)<<" ";g<<"\n";}} ^