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- #include <fstream>
- #include <cmath>
- using namespace std;
- ifstream f("elempp.in");
- ofstream g("elempp.out");
- int pp(int x)
- {
- int xx;
- xx=x;
- while(xx>=100)
- xx/=10;
- if((int)sqrt(xx)==sqrt(xx))
- return 1;
- return 0;
- }
- int main()
- {
- int v[100],i,n;
- f>>n;
- for(i=1;i<=n;i++)
- {
- f>>v[i];
- if(pp(v[i])==1)
- g<<v[i]<<' ';
- }
- return 0;
- }
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