CSES - Datatähti 2018 peili - Results
Submission details
Task:Kyselyt
Sender:fergusq
Submission time:2017-10-02 23:14:25 +0300
Language:Haskell
Status:READY
Result:12
Feedback
groupverdictscore
#1ACCEPTED12
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.03 s1details
#2--2details
#3--3details

Compiler report

input/code.hs:8:45: Warning:
    Defaulting the following constraint(s) to type `Integer'
      (Enum a0)
        arising from the arithmetic sequence `0 .. '
        at input/code.hs:8:45-49
      (Num a0) arising from the literal `0' at input/code.hs:8:46
      (Show a0) arising from a use of `show' at input/code.hs:8:39-42
    In the second argument of `concatMap', namely `[0 .. ]'
    In the expression: concatMap (map (read . return) . show) [0 .. ]
    In an equation for `ns':
        ns = concatMap (map (read . return) . show) [0 .. ]

input/code.hs:16:1: Warning:
    Top-level binding with no type signature: main :: IO ()

Code

module Main where

readInt :: IO Int
readInt = do l <- getLine
             return (read l :: Int)

ns :: [Int]
ns = concatMap (map (read . return) . show) [0..]

query :: Int -> IO ()
query 0 = return ()
query n = do i <- readInt
             print $ ns !! i
             query (n-1)

main = readInt >>= query

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
...

Test 2

Group: 2

Verdict:

input
1000
615664
916441
627600
279508
...

correct output
1
2
3
2
2
...

user output
(empty)

Test 3

Group: 3

Verdict:

input
1000
672274832941907421
260504693279721732
646999966092970935
100853063389774434
...

correct output
7
2
2
0
9
...

user output
(empty)