5.總和 << Previous Next >> 7.輸入年份產生日曆

6.列出前60個自然數

#include<stdio.h>
int  numPrint(int);
int main()
{
    int n = 1;
    printf("\n\n Recursion : print first 50 natural numbers :\n");
    printf("-------------------------------------------------\n"); 
    printf(" The natural numbers are :");
    numPrint(n);
    printf("\n\n");
    return 0;
}
int numPrint(int n)
{
    if(n<=60)
    {
         printf(" %d ",n);
         numPrint(n+1);
    }
}

5.總和 << Previous Next >> 7.輸入年份產生日曆