1,鸡兔同笼
public class Chick { public static void main(String[] args) { int ji; //声明鸡; int tu; //声明兔; for(int i =0;i<=35 ;i++) { ji=i; //鸡的数量 tu=35-i; //兔的数量 if(ji*2+tu*4==94) { System.out.println(ji+"\t"+tu); } } } }2,马克思趣味题
public class Mrks { public static void main(String[] args) { int men; int women; int kids; for(men=0;men<=10;men++) { //男人数 for(women=0;women<=30;women++) { //女人数 for(kids=0;kids<=30;kids++) { //小孩数 if(3*men+2*women+kids==50&&men+women+kids==30) //人数和先令个数 { System.out.println("男人"+men+"女人"+women+"小孩"+kids); } } } } } }