Main.cc: In function ‘int main()’: Main.cc:9:28: error: expected ‘;’ before ‘:’ token else printf("NO\n"): ^ Main.cc:5:7: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&t); ~~~~~^~~~~~~~~ Main.cc:7:8: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ~~~~~^~~~~~~~~