CSES - Datatähti 2021 alku - Results
Submission details
Task:Alitaulukot
Sender:Microwave Abuser
Submission time:2020-10-10 17:31:59 +0300
Language:Python3 (PyPy3)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.05 s1, 2, 3details
#2--1, 2, 3details
#3--1, 2, 3details
#4ACCEPTED0.05 s1, 2, 3details
#5ACCEPTED0.05 s1, 2, 3details
#6ACCEPTED0.05 s2, 3details
#7--2, 3details
#8--2, 3details
#9ACCEPTED0.05 s2, 3details
#10ACCEPTED0.05 s2, 3details
#11ACCEPTED0.06 s3details
#12--3details
#13--3details
#14ACCEPTED0.07 s3details
#15ACCEPTED0.07 s3details
#16--3details
#17--3details

Code

class Ylitaulukko:
    def __init__(self, start, end):
        self.start = start
        self.end = end

def muodostaYlitaulukot(gayArray, n, k):
    tPointer = 0
    ePointer = 1
    lastEPointer = -1
    maxVal = gayArray[0]
    minVal = gayArray[0]
    maxLoc = 0
    minLoc = 0
    ylitaulukot = []

    while ePointer < n:
        while (ePointer < n) and (gayArray[ePointer] <= minVal + k) and (gayArray[ePointer] >= maxVal - k):
            if gayArray[ePointer] >= maxVal:
                maxVal = gayArray[ePointer]
                maxLoc = ePointer
            elif gayArray[ePointer] <= minVal:
                minVal = gayArray[ePointer]
                minLoc = ePointer
            ePointer += 1

        # ePointer ei olisi enää laillinen lisäys
        if ePointer != lastEPointer:
            ylitaulukot.append(Ylitaulukko(tPointer, ePointer - 1))
            lastEPointer = ePointer

        if ePointer == n:
            break

        if (gayArray[ePointer] <= minVal + k):
            tPointer = maxLoc+1
        else:
            tPointer = minLoc+1
            
        ePointer = max(ePointer, tPointer + 1)
        maxVal = max(gayArray[tPointer:ePointer+1])
        minVal = min(gayArray[tPointer:ePointer+1])

    if ylitaulukot[-1].end != n-1:
        ylitaulukot.append(Ylitaulukko(n-1, n-1))

    return ylitaulukot



def laskeAlitaulukot(ylitaulukot):
    result = 0
    lastEnd = -1
    for ylitaulukko in ylitaulukot:
        length = ylitaulukko.end - ylitaulukko.start + 1
        result += (length*(length+1))/2

        if lastEnd >= ylitaulukko.start:
            length = lastEnd - ylitaulukko.start + 1
            result -= (length*(length+1))/2

        lastEnd = ylitaulukko.end

    return result

def main():
    n, k = [int(i) for i in input().split(" ")]
    gayArray = [int(i) for i in input().split(" ")]
    if n == 1:
        print("1")
    else:
        print(int(laskeAlitaulukot(muodostaYlitaulukot(gayArray, n, k))))

main()

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
100 0
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
5050

user output
5050

Test 2

Group: 1, 2, 3

Verdict:

input
100 2
5 5 2 4 3 5 3 4 3 2 3 4 5 4 4 ...

correct output
317

user output
(empty)

Test 3

Group: 1, 2, 3

Verdict:

input
100 10
71 60 61 96 25 10 10 9 84 85 1...

correct output
119

user output
(empty)

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
100 990000000
111122929 961821360 578238211 ...

correct output
4006

user output
4006

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
100 1000000000
553190572 453407680 667300705 ...

correct output
5050

user output
5050

Test 6

Group: 2, 3

Verdict: ACCEPTED

input
2000 0
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
2001000

user output
2001000

Test 7

Group: 2, 3

Verdict:

input
2000 2
4 4 1 4 2 3 1 2 1 3 5 2 2 4 4 ...

correct output
6340

user output
(empty)

Test 8

Group: 2, 3

Verdict:

input
2000 10
65 88 33 88 41 10 17 38 22 3 8...

correct output
2413

user output
(empty)

Test 9

Group: 2, 3

Verdict: ACCEPTED

input
2000 999000000
746120950 772769620 721488968 ...

correct output
1287776

user output
1287776

Test 10

Group: 2, 3

Verdict: ACCEPTED

input
2000 1000000000
621947980 510355354 756705418 ...

correct output
2001000

user output
2001000

Test 11

Group: 3

Verdict: ACCEPTED

input
100000 0
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
5000050000

user output
5000050000

Test 12

Group: 3

Verdict:

input
100000 2
3 3 1 3 3 1 1 5 1 2 5 4 1 3 1 ...

correct output
317066

user output
(empty)

Test 13

Group: 3

Verdict:

input
100000 10
10 3 6 3 43 60 5 48 15 27 86 4...

correct output
123292

user output
(empty)

Test 14

Group: 3

Verdict: ACCEPTED

input
100000 999990000
460235639 963048588 47270983 3...

correct output
4946886742

user output
4946886742

Test 15

Group: 3

Verdict: ACCEPTED

input
100000 1000000000
885457070 18257718 927615960 3...

correct output
5000050000

user output
5000050000

Test 16

Group: 3

Verdict:

input
100000 50000
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
3750075000

user output
(empty)

Test 17

Group: 3

Verdict:

input
100000 50000
100000 99999 99998 99997 99996...

correct output
3750075000

user output
(empty)