Compilare: user.cpp: In function ‘int main()’: user.cpp:17:43: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 3 has type ‘int*’ [-Wformat=] fscanf(intrare,"%lld",&a[i][j]); ^ user.cpp:8:23: warning: unused variable ‘num’ [-Wunused-variable] int n,i,j,t=0,k=0,num=0; ^ user.cpp:12:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(intrare,"%d",&n); ^ user.cpp:17:44: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(intrare,"%lld",&a[i][j]); ^