CSES - Datatähti 2021 alku - Results
Submission details
Task:Alitaulukot
Sender:cowperso
Submission time:2020-10-08 10:50:21 +0300
Language:C++ (C++11)
Status:READY
Result:37
Feedback
groupverdictscore
#1ACCEPTED11
#2ACCEPTED26
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3details
#2ACCEPTED0.01 s1, 2, 3details
#3ACCEPTED0.01 s1, 2, 3details
#4ACCEPTED0.01 s1, 2, 3details
#5ACCEPTED0.01 s1, 2, 3details
#6ACCEPTED0.03 s2, 3details
#7ACCEPTED0.01 s2, 3details
#8ACCEPTED0.01 s2, 3details
#9ACCEPTED0.01 s2, 3details
#10ACCEPTED0.01 s2, 3details
#11--3details
#12ACCEPTED0.02 s3details
#13ACCEPTED0.02 s3details
#140.04 s3details
#150.04 s3details
#16--3details
#17--3details

Code

#include <bits/stdc++.h>

using namespace std;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  uint32_t n;
  int32_t k;
  cin >> n >> k;

  vector<int32_t> arr;
  arr.reserve(n);
  for (uint32_t i = 0; i < n; ++i) {
    cin >> arr[i];
  }

  uint32_t res = 0;
  list<uint32_t> min;
  list<uint32_t> max;
  min.push_back(0);
  max.push_back(0);

  uint32_t s = 0;
  uint32_t e = 1;
  while (e < n) {
    for (; e < n; ++e) {
      min.push_back(e);
      max.push_back(e);
      min.remove_if(
          [&arr, e](uint32_t n) { return arr[n] > arr[e]; });
      max.remove_if(
          [&arr, e](uint32_t n) { return arr[n] < arr[e]; });
      if (arr[max.front()] - arr[min.front()] > k)
        break;
    }
    if (e == n)
      break;
    while (s < e) {
      if (arr[max.front()] - arr[min.front()] <= k)
        break;
      if (s == min.front()) {
        min.pop_front();
      }
      if (s == max.front()) {
        max.pop_front();
      }
      res += e - s++;
    }
    ++e;
  }
  res += ((e - s) * (e - s + 1)) / 2;
  cout << res << '\n';
}

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: ACCEPTED

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

correct output
317

user output
317

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

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

correct output
119

user output
119

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: ACCEPTED

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

correct output
6340

user output
6340

Test 8

Group: 2, 3

Verdict: ACCEPTED

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

correct output
2413

user output
2413

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:

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

correct output
5000050000

user output
(empty)

Test 12

Group: 3

Verdict: ACCEPTED

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

correct output
317066

user output
317066

Test 13

Group: 3

Verdict: ACCEPTED

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

correct output
123292

user output
123292

Test 14

Group: 3

Verdict:

input
100000 999990000
460235639 963048588 47270983 3...

correct output
4946886742

user output
651919446

Test 15

Group: 3

Verdict:

input
100000 1000000000
885457070 18257718 927615960 3...

correct output
5000050000

user output
705082704

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)