Kyselyt

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

    #print("After while: %d %d" % (subposition, numbers))
 
    subposition = Decimal(subposition)/Decimal(numbers)
    subrounded = subposition.quantize(Decimal(1), rounding=ROUND_UP)

    #print("After calculation: %f %f" % (subposition, subrounded))
 
    index = numbers - int(((subrounded-subposition)*numbers).quantize(Decimal(1))) - 1

    #print("Index: %d" % index)

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

    #print("Final number: %d" % subrounded)
 
    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: ACCEPTED