python/TangDou/KaoShi/水仙花数.cpp

#include <bits/stdc++.h>

using namespace std;

//是不是水仙花数
bool isSXH(int n) {
    int s = 0, m;
    m = n;
    while (m) {
        int a = m % 10;
        s += a * a * a;
        m /= 10;
    }
    return s == n;
}
/**
 * 测试用例：1000
 输出:
 153
 370
 371
 407
 */
int main() {
    int n;
    cin >> n;
    for (int i = 2; i <= n; i++)
        if (isSXH(i)) cout << i << endl;
    return 0;
}