阅读程序写结果：
#include <iostream>using namespace std; int rSum(int j){ int sum = 0; while (j != 0) { sum = sum * 10 + (j % 10); j = j / 10; } return sum;} int main(){ int n, m, i; cin>>n>>m; for (i = n; i < m; i++) if (i == rSum(i)) cout<<i<<' '; return 0;}输入： 90 120