水仙花数是指一个N位正整数(N≥3),它的每个位上的数字的N次幂之和等于它本身。例如:153=1^3 + 5^3+ 3^3.
#include <stdio.h> int narcissistic( int number ); int main() {int number;scanf("%d",&number);if(narcissistic(number))printf("%d是水仙花数n",number);elseprintf("%d不是水仙花数n",number); return 0; } int narcissistic( int number ) {int i=1,sum=0,num,k,j; //i:数字的位数,sum:各位n次方之和,num=number,k和j用来算每位的n次方,n就是数字的位数int a[10];num = number;a[0] = number%10; //将数字的各位存到a[0]中while(number>10) //如果数字大于10,将数字的每位存到a[]数组中{number=number/10;a[i] = number%10;i++;}for(k=0; k<i; k++) //将每位的n次方存在a[]数组中{int temp=a[k];for(j=0; j<i-1; j++)a[k] = a[k]*temp;}while(i>0) //计算各位n次方之和{sum+=a[i-1];i--;}if(num == sum) //是水仙花数返回1,否则返回0return 1;elsereturn 0; } void PrintN( int m, int n ) {int i;for(i=m+1; i<n; i++){if(narcissistic(i))printf("%dn",i);} }
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