Compilare: user.c: In function ‘main’: user.c:23:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen( "iepuri.in" , "r" , stdin ); ^ user.c:24:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen( "iepuri.out" , "w" , stdout ); ^ user.c:25:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%d" , &t ); ^ user.c:27:15: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d %d %d %d %d %d %d", &x, &y, &z, &a, &b, &c, &n); ^