Submission #2561389

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Source Code Expand

#include <bits/stdc++.h>
#include <boost/multiprecision/cpp_int.hpp>
using namespace std;
namespace mp = boost::multiprecision;

int main() {
	
    mp::cpp_int a;
    
    cin>>a;
    
    mp::cpp_int x=a*a;
    
    while(!(x%100)){
    	x/=100;
    }
    
    mp::cpp_int y=a*a;
    mp::cpp_int z=(a+1)*(a+1);
    
    mp::cpp_int ans=a*a;
    
    while(1){
    	y/=100;
    	z/=100;
    	if(y==0||z==0) break;
    	if(z==y+1) ans=z;
    }
    
    cout<<min(ans,x)<<endl;
    
    return 0;
}

Submission Info

Judge Result