Compilare: user.c: In function ‘main’: user.c:17:21: 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:17:53: 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:17:85: 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); } ^