Compilare: main.c: In function 'main': main.c:297:10: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] int q; fscanf(fin, "%d", &q); ^~~~~~~~~~~~~~~~~~~~~ main.c:300:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &op); ^~~~~~~~~~~~~~~~~~~~~~ main.c:303:7: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &x); ^~~~~~~~~~~~~~~~~~~~~ main.c:307:7: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &x); ^~~~~~~~~~~~~~~~~~~~~ main.c:311:7: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &x); ^~~~~~~~~~~~~~~~~~~~~ main.c:316:7: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &x); ^~~~~~~~~~~~~~~~~~~~~ main.c:320:7: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &x); ^~~~~~~~~~~~~~~~~~~~~ main.c:324:7: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &x, &y); ^~~~~~~~~~~~~~~~~~~~~~~~~~~