问题：今有鸡兔同笼，上有三十五头，下有九十四足，问鸡兔各多少？
java 实现代码：
public static Map<String,Object> qiongju(int head,int foot){
int result,i , j,chicken = 0,rabit = 0;
result = 0;
for(i = 0 ; i<= head;i++){
j = head - i;
if((i*2 + j*4 )== foot){
result = 1;
chicken = i;//鸡
rabit = j;//兔
}
}
Map<String,Object> hashMap = new HashMap<>();
hashMap.put("result",result);
hashMap.put("chicken",chicken);
hashMap.put("rabit",rabit);
return hashMap;
}
public static void main(String[] args){
Map<String,Object> hashMao = qiongju(35, 94);
if(hashMao.get("result").equals((int)1)){
System.out.println("求解成功！！");
System.out.println("鸡有:"+hashMao.get("chicken"));
System.out.println("兔有:"+hashMao.get("rabit"));
} else{
System.out.println("无法求解");
}
}
图：
