Borderou de evaluare (job #805663)

Compilare: main.c: In function 'main': main.c:2:12: warning: ignoring return value of 'freopen' declared with attribute 'warn_unused_result' [-Wunused-result] 2 | int main(){freopen("adunare.in","r",stdin);freopen("adunare.out","w",stdout);int a,b;scanf("%d%d",&a,&b);printf("%d",a+b);} | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:2:44: warning: ignoring return value of 'freopen' declared with attribute 'warn_unused_result' [-Wunused-result] 2 | int main(){freopen("adunare.in","r",stdin);freopen("adunare.out","w",stdout);int a,b;scanf("%d%d",&a,&b);printf("%d",a+b);} | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:2:86: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result] 2 | int main(){freopen("adunare.in","r",stdin);freopen("adunare.out","w",stdout);int a,b;scanf("%d%d",&a,&b);printf("%d",a+b);} | ^~~~~~~~~~~~~~~~~~~