Kyselyt

def c_lst(n= 18):
    lst= [0]
    for k in range(1, n):
        lst.append(lst[-1]+ k* (10** k- 10** (k- 1)))
    return lst

def c_str(n= 5):
    s= ''
    for k in range(1, 10** n):
        s+= str(k)
    return s

def sup(lst, ndx):
    p= 0
    for k in lst:
        if k>= ndx: break
        p= k
    return p

def chr_at(ndx):
    lst= c_lst()
    while True:
        p= sup(lst, ndx)
        print(p, ndx)
        if not p: break
#        ndx-= p
        ndx= ndx% p
    return str(ndx)

if __name__ == "__main__":
    s, n= c_str(6), int(input())
    for k in range(n):
        print(s[int(input())- 1])
#    s, ndx= c_str(), 194
#    print(s[ndx- 1], chr_at(ndx))

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED

Test 3

Group: 3

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 33, in <module>
    print(s[int(input())- 1])
IndexError: string index out of range