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Datatähti 2018 alku

Start:2017-10-02 00:00:00
End:2017-10-16 00:00:00
 

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CSES - Datatähti 2018 alku - Results
History
2017-10-09 23:16:38100
2017-10-09 22:39:530
2017-10-09 22:37:410
2017-10-09 22:36:100
Task:Kyselyt
Sender:funkar
Submission time:2017-10-09 23:16:38
Language:Haskell
Status:READY
Score:100

Feedback

groupverdictscore
#1ACCEPTED12
#2ACCEPTED25
#3ACCEPTED63

Test results

testverdicttime (s)group
#1ACCEPTED0.05 / 1.001details
#2ACCEPTED0.06 / 1.002details
#3ACCEPTED0.07 / 1.003details

Compiler report

input/code.hs:22:1: Warning:
    Top-level binding with no type signature: main :: IO ()

Code

import Data.List

findLog :: Int -> Int
valueOf :: Int -> Int
champ :: Int -> Char
csum :: [Int]
c :: [Int]

c = [9*n*10^(n-1) | n <- [1..17]]
csum = [1 + (sum $ take n c) | n <- [1..17]]
findLog x = maybe 0 id $ findIndex (>=x+1) csum
valueOf x
  | x <= 10 = x
  | x == 11 = 10
  | otherwise = ((x-csum !! (b-1)) `div` (b+1)) + 10^b
  where b = findLog x
champ x
  | x <= 10 = show(x) !! 0
  | otherwise = show(valueOf x) !! ((x - csum !! (b-1)) `mod` (b+1))
  where b = findLog x

main = do
  _ <- getLine
  z <- getContents
  let zs = [read x | x <- (lines z)]
  mapM_ putStrLn [champ x : "" | x <- zs]

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
1000
582
214
723
273
480
280
237
204
134
210
565
640
784
508
846
532
465
952
205
...
view   save

correct output
0
1
7
7
6
1
5
4
7
6
2
2
2
2
8
2
1
3
1
8
...
view   save

user output
0
1
7
7
6
1
5
4
7
6
2
2
2
2
8
2
1
3
1
8
...
view   save

Test 2

Group: 2

Verdict: ACCEPTED

input
1000
615664
916441
627600
279508
126605
944125
25887
440405
352957
206746
951305
821686
716797
333476
430123
167570
619834
411383
459670
...
view   save

correct output
1
2
3
2
2
8
7
9
8
3
7
1
9
8
4
3
1
9
9
6
...
view   save

user output
1
2
3
2
2
8
7
9
8
3
7
1
9
8
4
3
1
9
9
6
...
view   save

Test 3

Group: 3

Verdict: ACCEPTED

input
1000
672274832941907421
260504693279721732
646999966092970935
100853063389774434
469646937576313460
292789544562527987
202678876957048242
921044261294332160
293497307441838185
889420403130803486
887773296767104352
272588988734184089
900854413164191389
306838570888252671
321818592757748092
632312861733842235
590425060048634753
921705179835679834
711775852688052272
...
view   save

correct output
7
2
2
0
9
7
7
2
0
4
0
3
0
5
9
9
3
1
2
7
...
view   save

user output
7
2
2
0
9
7
7
2
0
4
0
3
0
5
9
9
3
1
2
7
...
view   save