Compilare: main.c: In function 'main': main.c:27:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &cer, &n); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:30:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &x, &y); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:35:7: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &x, &y); ^~~~~~~~~~~~~~~~~~~~~~~~~~~