#include <stdio.h>
 
int main()
{
    int n, reversedInteger = 0, remainder, originalInteger;
 
    printf("输入一个整数: ");
    scanf("%d", &n);
 
    originalInteger = n;
 
    // 翻转
    while( n!=0 )
    {
        remainder = n%10;
        reversedInteger = reversedInteger*10 + remainder;
        n /= 10;
    }
 
    // 判断
    if (originalInteger == reversedInteger)
        printf("%d 是回文数。", originalInteger);
    else
        printf("%d 不是回文数。", originalInteger);
 
    return 0;
}

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

MTIzNDU=

12345