I have stored my online judge solutions of my own :)
#include<bits/stdc++.h> using namespace std; int main() { long long a , b,cnt=0; double num=0; while(1){ cin>>a; cin>>b; if(a==0&&b==0) break; for(int i=a; i<=b; i++){ num=sqrt(i); if(num==(int)num) cnt++; } cout<<cnt<<endl; cnt=0; } return 0; }
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