题解 | 变种水仙花

#include <stdio.h>

int power10(int k) {
    int res = 1;
    for (int i = 0; i < k; i++) res *= 10;
    return res;
}

int main() {
    for (int num = 10000; num <= 99999; num++) {
        int sum = 0;
        int n = 5;
        for (int split = 1; split <= 4; split++) {
            int rightDigits = n - split;
            int left = num / power10(rightDigits);
            int right = num % power10(rightDigits);
            sum += left * right;
        }
        if (sum == num) {
            printf("%d ", num);
        }
    }
    printf("\n");
    return 0;
}