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:10:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&v[0]); ^~~~~~~~~~~~~~~~~~~~~~ main.c:13:9: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&v[i]); ^~~~~~~~~~~~~~~~~~~~~~ main.c:27:36: warning: 'maxi1' may be used uninitialized in this function [-Wmaybe-uninitialized] max=(long long)v[maxi1-1]*v[maxi1]*v[maxi2]+s-v[maxi1-1]-v[maxi1]-v[maxi2]; ~^~~~~~~ main.c:27:45: warning: 'maxi2' may be used uninitialized in this function [-Wmaybe-uninitialized] max=(long long)v[maxi1-1]*v[maxi1]*v[maxi2]+s-v[maxi1-1]-v[maxi1]-v[maxi2]; ~^~~~~~~