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  1. #include <cmath>
  2. #include <cstdio>
  3. #include <vector>
  4. #include <iostream>
  5. #include <algorithm>
  6. using namespace std;
  7.  
  8.  
  9. int main() {
  10.     int p,q;
  11.     cin>>p>>q;
  12.     if(p==1) cout<<"1 ";
  13.     int count=0,flag=0;
  14.     int m1,m2,l1,l2,r1,r2,x;
  15.     for(int i=p;i<=q;i++){
  16.        x = i*i;
  17.        while(x!=0){
  18.            count++;
  19.            x = x/10;
  20.        }
  21.         x = i*i;
  22.         m1 = pow(10,count/2);
  23.         m2 = pow(10,count-(count/2));
  24.         l1 = x%m1;
  25.         l2 = x%m2;
  26.         r1 = x/m2;
  27.         r2 = x/m1;
  28.        // cout<<m1<<m2<<l1<<l2<<endl;
  29.         if(l1+r1==i) {cout <<i<<" "; flag=1;}
  30.         count=0;
  31.     }
  32.     if(flag==0) cout<<"INVALID RANGE";
  33.     return 0;
  34. }
Success #stdin #stdout 0s 16064KB
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https://ideone.com/mOs6Hk
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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