运行 ID: 357710

Main.cc: In function ‘int main()’:
Main.cc:8:11: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses]
  if(n%4==0&&n%100!=0||n%400==0)
     ~~~~~~^~~~~~~~~~
Main.cc:9:3: error: ‘cout’ was not declared in this scope
   cout<<"Yes"
   ^~~~
Main.cc:5:6: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d", &t);
 ~~~~~^~~~~~~~~~
Main.cc:7:6: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d", &n);
 ~~~~~^~~~~~~~~~