CSES - Datatähti 2018 alku - Results
Submission details
Task:Kyselyt
Sender:Kurns
Submission time:2017-10-07 10:35:10 +0300
Language:Python3
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED12
#2ACCEPTED25
#3ACCEPTED63
Test results
testverdicttimegroup
#1ACCEPTED0.10 s1details
#2ACCEPTED0.11 s2details
#3ACCEPTED0.15 s3details

Code

import math
userNum = int(input())
asks = []
for x in range(0, userNum):
asks.append(int(input()))
for k in range(0, userNum):
def g(n):
EXP = pow(10, n)
EXP2 = pow(10, n+1)
return int((9*(n+1)*EXP-EXP2+1)//9)
def f(x):
return 9*x*pow(10, x-1)
def a(n):
for x in range(1, 100):
if g(x-1) < n and n <= g(x):
return x
ceilA = a(asks[k])
erotus = g(a((asks[k])))-asks[k]
almostFinal = pow(10, ceilA)-1-math.floor(erotus//ceilA)
finalMod = erotus%ceilA
final = str(almostFinal)[::-1][finalMod]
print(final)

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
1000
582
214
723
273
...

correct output
0
1
7
7
6
...

user output
0
1
7
7
6
...
Truncated

Test 2

Group: 2

Verdict: ACCEPTED

input
1000
615664
916441
627600
279508
...

correct output
1
2
3
2
2
...

user output
1
2
3
2
2
...
Truncated

Test 3

Group: 3

Verdict: ACCEPTED

input
1000
672274832941907421
260504693279721732
646999966092970935
100853063389774434
...

correct output
7
2
2
0
9
...

user output
7
2
2
0
9
...
Truncated