Compilare: user.c: In function ‘main’: user.c:9:2: warning: format ‘%d’ expects argument of type ‘int *’, but argument 3 has type ‘long long int *’ [-Wformat=] fscanf(fin, "%d%d%d", &a, &b, &c); ^ user.c:9:2: warning: format ‘%d’ expects argument of type ‘int *’, but argument 4 has type ‘long long int *’ [-Wformat=] user.c:9:2: warning: format ‘%d’ expects argument of type ‘int *’, but argument 5 has type ‘long long int *’ [-Wformat=] user.c:21:2: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(fout, "%d", p); ^ user.c:9:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d", &a, &b, &c); ^