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#include<iostream>
using namespace std;
int main()
{
	int t,count,a;
	string num="";
	cin>>t;
	while(t--)
	{
		num="";
		cin>>a;
		count=0;
		while(num.size()<a)
		{
			count++;
			for(int x=1;x<count;x++)
			{
				num+=to_string(x);
			}
		}
		cout<<num[a-1]<<endl;
	}
}

Success #stdin #stdout 0.47s 5292KB

stdin

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

stdout

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https://ideone.com/KbFwEE

language:

C++ (gcc 8.3)

created:

visibility:

public

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