Compilare: main.c: In function 'main': main.c:7:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf ( fin, "%d", &t ); ^~~~~~~~~~~~~~~~~~~~~~~~ main.c:11:9: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf ( fin, "%d%d%d", &n, &dx, &dy ); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:15:13: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf ( fin, "%d", &x); ^~~~~~~~~~~~~~~~~~~~~~~ main.c:19:17: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &r, &c); ^~~~~~~~~~~~~~~~~~~~~~~~~~~