Kyselyt

import math

def calculate(position):
    subposition = position
    numbers = 1
    
    while subposition > 9*(10**(numbers-1))*numbers:
        subposition -= 9*(10**(numbers-1))*numbers
        numbers += 1

    subposition = float(subposition)/numbers
    subrounded = math.ceil(subposition)

    index = numbers-round((subrounded-subposition) * numbers)-1
    
    for i in range(0, numbers-1):
        subrounded += 9*(10**i)

    return str(subrounded)[index]

list = []

count = int(input())
for i in range(0, count):
    list.append(calculate(int(input())))

for i in range(0, count):
    print(str(list[i]))

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED

Test 3

Group: 3

Verdict: WRONG ANSWER