Kyselyt

import math
from decimal import *
 
def calculate(position):
    subposition = position
    numbers = 1
   
    while subposition > 9*(10**(numbers-1))*numbers:
        subposition -= 9*(10**(numbers-1))*numbers
        numbers += 1
 
    subposition = Decimal(str(subposition))/Decimal(str(numbers))
    subrounded = subposition.quantize(Decimal("1."), rounding=ROUND_UP)
    difference = ((subrounded-subposition) * Decimal(str(numbers))).quantize(Decimal("1."), rounding=ROUND_UP)-1
 
    index = int(difference)
    subrounded = int(subrounded)
   
    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: WRONG ANSWER

Test 2

Group: 2

Verdict: WRONG ANSWER

Test 3

Group: 3

Verdict: WRONG ANSWER