Eroare de compilare: user.c: In function ‘main’: user.c:7:19: error: expected identifier or ‘(’ before ‘,’ token long long unsigned, N, factN=1; ^ user.c:12:24: error: ‘N’ undeclared (first use in this function) fscanf(file1, "%llu", &N); ^ user.c:12:24: note: each undeclared identifier is reported only once for each function it appears in user.c:14:5: error: ‘i’ undeclared (first use in this function) for(i=2; i<=N; i++){ ^ user.c:15:5: error: ‘factN’ undeclared (first use in this function) factN *= i; ^