Compilare: main.c: In function 'main': main.c:9:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^~~~~~~~~~~~~~~~~~~~~ main.c:11:9: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &a[i]); ^~~~~~~~~~~~~~~~~~~~~~~~ main.c:32:19: warning: 'start' may be used uninitialized in this function [-Wmaybe-uninitialized] ans[--max] = a[start]; ~^~~~~~~