Compilare: user.c: In function ‘main’: user.c:4:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("fructe.in","r",stdin),freopen("fructe.out","w",stdout),scanf("%d",&t); ^ user.c:4:43: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("fructe.in","r",stdin),freopen("fructe.out","w",stdout),scanf("%d",&t); ^ user.c:4:74: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] freopen("fructe.in","r",stdin),freopen("fructe.out","w",stdout),scanf("%d",&t); ^ user.c:6:13: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&p,&b),printf("%d\n",b%2); ^