Eroare de compilare: user.c: In function ‘main’: user.c:20:3: error: ‘is_there_1’ undeclared (first use in this function) is_there_1 = 0; ^ user.c:20:3: note: each undeclared identifier is reported only once for each function it appears in user.c:21:3: error: ‘is_there_anything_else’ undeclared (first use in this function) is_there_anything_else = 0; ^ user.c:6:18: warning: unused variable ‘ok’ [-Wunused-variable] int T, N, x, ok; ^ user.c:14:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &T); ^ user.c:18:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &N); ^ user.c:24:10: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &x); ^