Compilare: main.c: In function 'main': main.c:6:5: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("zaruri.in","r",stdin),freopen("zaruri.out","w",stdout),scanf("%d",&n),s[1]=(1+2+3+4+5+6)/6.0; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:6:36: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen("zaruri.in","r",stdin),freopen("zaruri.out","w",stdout),scanf("%d",&n),s[1]=(1+2+3+4+5+6)/6.0; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:6:69: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] freopen("zaruri.in","r",stdin),freopen("zaruri.out","w",stdout),scanf("%d",&n),s[1]=(1+2+3+4+5+6)/6.0; ^~~~~~~~~~~~~~