/*
  Name: C语言经典算法100例010
  Copyright: *
  Author: 巧若拙  
  Date: 25-08-14 22:59
  Description:
  题目：打印楼梯，同时在楼梯上方打印两个笑脸。
*/

#include<stdio.h>
#include<stdlib.h>

void fun1(void);

int main(void)
{
    fun1();
   
    system("pause");
    return 0;
}

void fun1(void)
{
   int i, j;
   
   printf("%c%c\n", 1, 2);
   for (i=1; i<=8; i++)
   {
       for (j=1; j<=i; j++)
       {
           printf("%c%c", 219, 219);
       }
       printf("\n");
   }
   printf("\n");
}
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/*
  Name: C语言经典算法100例011
  Copyright: *
  Author: 巧若拙
  Date: 25-08-14 23:03
  Description:
  题目：古典问题：有一对兔子，从出生后第3个月起每个月都生一对兔子，小兔子长到第三个月
后每个月又生一对兔子，假如兔子都不死，问每个月的兔子总数为多少？
程序分析：斐波那契数列
*/


#include<stdio.h>
#include<stdlib.h>

void fun1(void);

int main(void)
{
    fun1();
   
    system("pause");
    return 0;
}

void fun1(void)
{
   int mon, i;
   int n1, n2, n3;
   
   n1 = n2 = 1;
   
   puts("请输入查询月份：");
   scanf("%d", &mon);
   
   for (i=2; i<mon; i++)
   {
        n3 = n1 + n2;
        n1 = n2;
        n2 = n3;   
   }
   
   printf("%d月的兔子数量为%d\n", mon, n2);
}
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