Compilare: main.c: In function 'main': main.c:7:2: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("vase.in","r",stdin),freopen("vase.out","w",stdout),scanf("%d",&n); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:7:31: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("vase.in","r",stdin),freopen("vase.out","w",stdout),scanf("%d",&n); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:7:62: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] freopen("vase.in","r",stdin),freopen("vase.out","w",stdout),scanf("%d",&n); ^~~~~~~~~~~~~~ main.c:9:7: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%lld %c",v+i,e+i),g=g+(v[i]/2); ^~~~~~~~~~~~~~~~~~~~~~~~ main.c:10:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&x),printf("%lld\n",g); ^~~~~~~~~~~~~~