#include <stdio.h> int main() { int n = 0; scanf("%d", &n); //int x = 0;//回文数---》对称相等 for (int i = 1; i <= n; i++){ int x = 0; //之前x发生错误原因:x在循环外,使得每次结果未能重置为零 int j = i; while (j>0) { x = x + j % 10; //保留最后一位 j = j / 10; if (j>0) { x = x*10; } } if (x==i) { printf("%d\n",i); } //printf("%d\n",x); } return 0; }