/in/foo.cc: In function 'int main()':
/in/foo.cc:16:49: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   if ((niani==nians)&&((yuei<yues)||(yuei==yues)&&(rii<ris))) continue;
                                     ~~~~~~~~~~~~^~~~~~~~~~~
/in/foo.cc:17:49: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   if ((niani==niane)&&((yuei>yuee)||(yuei==yuee)&&(rii>rie))) continue;
                                     ~~~~~~~~~~~~^~~~~~~~~~~
/in/foo.cc:24:22: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    if (!((niani%4==0)&&(niani%100!=0)||(niani%400==0))&&(rii>28)) continue;
          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~