Compilare: main.c: In function 'main': main.c:37:12: warning: variable 'x' set but not used [-Wunused-but-set-variable] int n, x, i, k, j, p; ^ main.c:41:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d %d", &p, &n); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:44:13: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%c", &c); ^~~~~~~~~~~~~~~~~~~~ main.c:46:17: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%c", &c); ^~~~~~~~~~~~~~~~~~~~ main.c:53:17: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%c", &c); ^~~~~~~~~~~~~~~~~~~~ main.c:79:13: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%c", &c); ^~~~~~~~~~~~~~~~~~~~ main.c:81:17: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%c", &c); ^~~~~~~~~~~~~~~~~~~~ main.c:88:17: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%c", &c); ^~~~~~~~~~~~~~~~~~~~