基础练习 回文数

http://lx.lanqiao.cn/problem.page?gpid=T47

#include<stdio.h>
#include<algorithm>
int num[1000];
int main(){
    int count = 0;
    // jiij
    for(int i = 0; i <= 9 ; i++)
        for(int j = 1; j <= 9; j++){
            num[count++] = i*100 + i*10 + j*1000 + j;
        }
        
    std::sort(num, num + count);
    for(int i = 0; i < count; i++)
        if(i != count - 1)
            printf("%d\n", num[i]);
        else
            printf("%d", num[i]);
    
    return 0;
}