题解 | 回文对称数

#include <stdio.h>

int main() {
    int n;
    scanf("%d", &n);
    int arr[8] = { 0 };
    for (int i = 1; i <= n; i++) {
        int m = i;
        int k = 0;

        while (m) {
            arr[k++] = m % 10;
            m /= 10;
        }

        int right = k - 1;
        int left = 0;
        int flag = 1;
        
        while (left < right) {
            if (arr[left] != arr[right]) {
                flag = 0;
                break;
            }
            left++;
            right--;
        }
        if (flag) {
            printf("%d\n", i);
        }
    }
    return 0;
}