水仙花數(shù),也叫做自戀數(shù),是指一個(gè)三位數(shù),其各位數(shù)字的立方和等于該數(shù)本身。
下面是用C語言編寫的水仙花數(shù)的程序:
#include <stdio.h>
int main() {
int num, originalNum, remainder, result = 0;
printf("請輸入一個(gè)三位數(shù): ");
scanf("%d", &num);
originalNum = num;
while (originalNum != 0) {
remainder = originalNum % 10;
result += remainder * remainder * remainder;
originalNum /= 10;
}
if (result == num) {
printf("%d 是水仙花數(shù)\n", num);
} else {
printf("%d 不是水仙花數(shù)\n", num);
}
return 0;
}
運(yùn)行程序后,會(huì)提示用戶輸入一個(gè)三位數(shù),然后程序會(huì)判斷該數(shù)是否為水仙花數(shù),并輸出結(jié)果。