CSES - Datatähti 2021 alku - Results
Submission details
Task:Alitaulukot
Sender:Oxygenol
Submission time:2020-09-30 19:46:32 +0300
Language:C++ (C++17)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3details
#20.01 s1, 2, 3details
#3ACCEPTED0.01 s1, 2, 3details
#40.01 s1, 2, 3details
#5ACCEPTED0.01 s1, 2, 3details
#6ACCEPTED0.01 s2, 3details
#70.01 s2, 3details
#80.01 s2, 3details
#90.01 s2, 3details
#10ACCEPTED0.01 s2, 3details
#110.02 s3details
#120.02 s3details
#130.03 s3details
#140.05 s3details
#150.05 s3details
#160.04 s3details
#170.04 s3details

Code

#include <iostream>
#include <vector>
#include <algorithm>

int main() {
    int size;
    std::cin >> size;
    int k;
    std::cin >> k;
    std::vector<int> numbers = std::vector<int>();

    for (int i = 0; i < size; i++) {
        int n;
        std::cin >> n;
        numbers.push_back(n);
    }

    int count = 0;
    for (int i = 0; i < size; i++) {
        int min = -1;
        int max = -1;
        for (int j = i; j < (int) numbers.size(); j++) {
            int num = numbers[j];
            if (num > max) {
                max = num;
            }
            if (num < min || min == -1) {
                min = num;
            }
            if ((max - min) > k) {
                count += (j - i) * (j - i + 1) / 2;
                i = j - 1;
                break;
            } else if (j + 1 == size) {
                count += (j - i + 1) * (j - i + 2) / 2;
                i = size;
                break;
            }
        }
    }
    std::cout << count << std::endl;

    /*
    for (int bar = 1; bar <= size; bar++) {
        for (int i = 0; i < size - bar + 1; i++) {
            bool valid = true;
            int max = -1;
            int min = -1;
            for (int j = i; j < i + bar; j++) {
                int num = numbers[j];
                if (num > max) {
                    max = num;
                }
                if (num < min || min == -1) {
                    min = num;
                }
                if ((max - min) > k) {
                    valid = false;
                    break;
                }
            }
            if (valid) {
                count++;
            }
        }
        // std::cout << "Count was at " << count << " after bar " << bar << std::endl;
    }

    std::cout << count << std::endl;
    */
    return 0;
}

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
261

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:

input
100 990000000
111122929 961821360 578238211 ...

correct output
4006

user output
2793

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
5398

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
2392

Test 9

Group: 2, 3

Verdict:

input
2000 999000000
746120950 772769620 721488968 ...

correct output
1287776

user output
713749

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
705082704

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
269001

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
122090

Test 14

Group: 3

Verdict:

input
100000 999990000
460235639 963048588 47270983 3...

correct output
4946886742

user output
645343905

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
-1794917295

Test 17

Group: 3

Verdict:

input
100000 50000
100000 99999 99998 99997 99996...

correct output
3750075000

user output
-1794917295