Kyselyt

asd = []
for i in range(int(input())):
    asd.append(int(input()))

for target in asd:
    number = 1
    while target > 9 * 10**(number - 1) * number + (number - 1):
        target = target - (9 * 10**(number-1) * number - 1)
        number = number + 1

    value = str(10**(number - 1) + divmod(target, number)[0] - 1)
    print(value[divmod(target, number)[1]])

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED

Test 3

Group: 3

Verdict: ACCEPTED