CSES - Datatähti 2021 alku - Results
Submission details
Task:Alitaulukot
Sender:EeliH
Submission time:2020-09-28 20:11:54 +0300
Language: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
#6ACCEPTED0.01 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
#14--3details
#15--3details
#16--3details
#17--3details

Code

#include <iostream>

#pragma GCC optimize("Ofast")

using namespace std;

int luvut[100000];

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int koko, erotus;
    cin >> koko >> erotus;
    int tulos = koko;
    for(int i = 0; i < koko; i++) {
        int tmp;
        cin >> tmp;
        luvut[i] = tmp;
    }
    int tiedetty = 0;
    int emaara = -1;
    int ei = -1;
    for(int i = 0; i < koko -1; i++) {
        int aloitus = i + 1;
        int suurin = luvut[i];
        int pienin = luvut[i];
        if(tiedetty + 1 > aloitus) {
            aloitus = tiedetty + 1;
            for(int j = i + 1; j < aloitus; j++) {
                //cout << i + 1 << " " << aloitus << " " << tiedetty << endl;
                if(luvut[j] < pienin)
                    pienin = luvut[j];
                else if(luvut[j] > suurin)
                    suurin = luvut[j];
            }
        }
        int maara = 0;
        for(int j = /*aloitus*/ i + 1; j < koko; j++) {
            int luku = luvut[j];
            //cout << tulos << endl;
            //cout << pienin << " <= " << suurin << endl;
            //cout << luvut[i] << " " << luku << " " << j << " " << aloitus << " " << tiedetty << endl;
            //cout << luvut[i] << " " << luku << endl;
            if(luku > suurin) {
                if(luku - pienin <= erotus) {
                    suurin = luku;
                } else {
                    //cout << "luku - pienin <= erotus != true" << endl;
                    break;
                }
            } else if(luku < pienin) {
                if(suurin - luku <= erotus) {
                    pienin = luku;
                } else {
                //cout << "t\n";
                    //cout << "suurin - luku <= erotus != true" << endl;
                    break;
                }
            }
            //    cout << "m\n";
            //    cout << koko << " " << j << endl;
            tiedetty = j;
            maara++;
        }
        //cout << "M: " << maara << endl;
        tulos += (maara * (maara + 1)) / 2;
        int n = max(ei + emaara - i, 0);
        int o = ((n) * (n + 1)) / 2;
        //cout << "N: " << n << endl;
        //cout << "EI: " << ei << " EMAARA: " << emaara << " I: " << i << endl;
        //cout << "O: " << o << endl;
        tulos -= o;
        emaara = maara;
        ei = i;
    }
    cout << tulos << endl;
}

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
(empty)

Test 15

Group: 3

Verdict:

input
100000 1000000000
885457070 18257718 927615960 3...

correct output
5000050000

user output
(empty)

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)