Run id: 113880

Main.cc: In function 'bool ru(int)':
Main.cc:8:14: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
     if(a%4==0&&a%100!=0||a%400==0){
              ^
Main.cc: In function 'int main()':
Main.cc:18:13: error: 'y' was not declared in this scope
     cin>>x>>y;
             ^
Main.cc:17:11: warning: unused variable 'f' [-Wunused-variable]
     int x,f,s=0;
           ^