aabb问题

#include <iostream>
#include <string>
#include <cstring>
#include <cstdlib>
#include <cstdio>
#include <cmath>
#include <algorithm>
#include <stack>
using namespace std;

#define mem(a,b) memset(a,b,sizeof(a))
#define pf printf
#define sf scanf
#define debug printf("!\n")
#define INF 10000
#define MAX(a,b) a>b?a:b
#define blank pf("\n")
#define LL long long


int main()
{
     int i,j;
     for(i=1;i<=9;i++)
     {
          for(j=0;j<=9;j++)
          {
               int a = 1100*i+11*j;
               double x = sqrt((double)a);
               if(x==floor(x+0.5))
                    pf("%d\n",a);
          }
     }
     return 0;
}