Compilare: user.c: In function ‘main’: user.c:18:19: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] int main(){freopen("damesah.in","r",stdin),freopen("damesah.out","w",stdout),scanf("%d",&n),A(0),printf("%d",m);} ^ user.c:18:51: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] int main(){freopen("damesah.in","r",stdin),freopen("damesah.out","w",stdout),scanf("%d",&n),A(0),printf("%d",m);} ^ user.c:18:83: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] int main(){freopen("damesah.in","r",stdin),freopen("damesah.out","w",stdout),scanf("%d",&n),A(0),printf("%d",m);} ^