<?php
for($gongji=1;$gongji<100;$gongji++){
    for ($muji=1;$muji<100;$muji++){
        for ($xiaoji=1;$xiaoji<100;$xiaoji++){
            if ($muji+$gongji+$xiaoji == 100){
                if($muji*3+$gongji*5+$xiaoji/3 == 100){
                    echo "公鸡有：{$gongji}<br/>";
                    echo "母鸡有：{$muji}<br/>";
                    echo "小鸡有：{$xiaoji}<br/>";
                    echo "***********************<br/>";
                }
            }
        }
    }
}