Alitaulukot

#include <iostream>
#include <vector>

using namespace std;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    int n, k;
    cin >> n >> k;

    int x;
    vector<int> v(n);
    for (int i = 0; i < n; i++) {
        cin >> x;
        v[i] = x;
    }

    int c = 0; // ans counter
    int min = -1, max = -1, cur = -1; // current
    int l, lc = 0, ls = 0; // counters for current a

    for (int a = 0; a < n; a++) {
        l = ls;
        cur = v[a];
        ls = cur;

        if (l != -1 && min != l && max != l && cur > min && cur < max) {
            lc -= 1;
            c += lc;
            continue;
        }

        min = cur;
        max = cur;
        lc = 1;

        for (int b = a + 1; b < n; b++) {
            cur = v[b];

            if (cur < min) {
                min = cur;
            }

            if (cur > max) {
                max = cur;
            }

            // erot on jo liian isoja :(
            if ((max - min) > k) {
                break;
            }

            lc += 1;
        }

        c += lc;
    }

    cout << c << "\n";
    return 0;
}

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

Test 6

Group: 2, 3

Verdict: ACCEPTED

Test 7

Group: 2, 3

Verdict: ACCEPTED

Test 8

Group: 2, 3

Verdict: ACCEPTED

Test 9

Group: 2, 3

Verdict: ACCEPTED

Test 10

Group: 2, 3

Verdict: ACCEPTED

Test 11

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 12

Group: 3

Verdict: ACCEPTED

Test 13

Group: 3

Verdict: ACCEPTED

Test 14

Group: 3

Verdict: WRONG ANSWER

Test 15

Group: 3

Verdict: WRONG ANSWER

Test 16

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 17

Group: 3

Verdict: TIME LIMIT EXCEEDED