foo.cc: In function 'int main()':
foo.cc:17:26: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   17 |                 if(y%4==0&&y%100!=0||y%400==0)
      |                    ~~~~~~^~~~~~~~~~
foo.cc:24:26: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   24 |                 if(y%4==0&&y%100!=0||y%400==0)
      |                    ~~~~~~^~~~~~~~~~
foo.cc:31:26: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   31 |                 if(y%4==0&&y%100!=0||y%400==0)
      |                    ~~~~~~^~~~~~~~~~
foo.cc:38:26: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   38 |                 if(y%4==0&&y%100!=0||y%400==0)
      |                    ~~~~~~^~~~~~~~~~
foo.cc:45:26: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   45 |                 if(y%4==0&&y%100!=0||y%400==0)
      |                    ~~~~~~^~~~~~~~~~
foo.cc:52:26: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   52 |                 if(y%4==0&&y%100!=0||y%400==0)
      |                    ~~~~~~^~~~~~~~~~
foo.cc:59:26: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   59 |                 if(y%4==0&&y%100!=0||y%400==0)
      |                    ~~~~~~^~~~~~~~~~
foo.cc:66:26: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   66 |                 if(y%4==0&&y%100!=0||y%400==0)
      |                    ~~~~~~^~~~~~~~~~
foo.cc:73:26: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   73 |                 if(y%4==0&&y%100!=0||y%400==0)
      |                    ~~~~~~^~~~~~~~~~
foo.cc:80:26: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   80 |                 if(y%4==0&&y%100!=0||y%400==0)
      |                    ~~~~~~^~~~~~~~~~

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