Kyselyt

import math
 
userNum = int(input())
asks = []
for x in range(0, userNum):
    asks.append(int(input()))
 
for k in range(0, userNum):
     
    def g(n):
        EXP = pow(10, n)
        EXP2 = pow(10, n+1)
        return int((9*(n+1)*EXP-EXP2+1)//9)
 
    def f(x):
        return 9*x*pow(10, x-1)
 
    def a(n):
        for x in range(1, 100):
            if g(x-1) < n and n <= g(x):
                return x
 
 
    ceilA = a(asks[k])
    erotus = g(a((asks[k])))-asks[k]
    almostFinal = pow(10, ceilA)-1-math.floor(erotus//ceilA)
    finalMod = erotus%ceilA
    final = str(almostFinal)[::-1][finalMod]
    print(final)

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED

Test 3

Group: 3

Verdict: ACCEPTED