Compilare: user.cpp: In function ‘void afis(long long int (*)[3])’: user.cpp:10:36: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 2 has type ‘long long int’ [-Wformat=] printf("%ld ",mat[i][j]); ^ user.cpp: In function ‘int main()’: user.cpp:64:34: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long int*’ [-Wformat=] fscanf(f1,"%d%ld%ld",&c,&n,&k); ^ user.cpp:64:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d%ld%ld",&c,&n,&k); ^