Compilare: user.c: In function ‘main’: user.c:13:2: warning: format ‘%ld’ expects argument of type ‘long int *’, but argument 3 has type ‘long long int *’ [-Wformat=] fscanf(f, "%ld %ld", &L, &C); ^ user.c:13:2: warning: format ‘%ld’ expects argument of type ‘long int *’, but argument 4 has type ‘long long int *’ [-Wformat=] user.c:76:2: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(g, "%ld", result); ^ user.c:13:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%ld %ld", &L, &C); ^