Compilare: main.c: In function 'main': main.c:5:5: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("split.in","r",stdin),freopen("split.out","w",stdout),scanf("%d%d",&n,&a[1]),x[1]=b[1]=a[1]; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:5:35: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("split.in","r",stdin),freopen("split.out","w",stdout),scanf("%d%d",&n,&a[1]),x[1]=b[1]=a[1]; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:5:67: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] freopen("split.in","r",stdin),freopen("split.out","w",stdout),scanf("%d%d",&n,&a[1]),x[1]=b[1]=a[1]; ^~~~~~~~~~~~~~~~~~~~~~ main.c:7:9: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",a+i),x[i]=a[i]>x[i-1]?x[i-1]:a[i],b[i]=a[i]>b[i-1]?a[i]:b[i-1]; ^~~~~~~~~~~~~~~