CSES - Datatähti 2021 alku - Results
Submission details
Task:Alitaulukot
Sender:Juho
Submission time:2020-09-28 17:06:24 +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
#6ACCEPTED0.01 s2, 3details
#7ACCEPTED0.01 s2, 3details
#8ACCEPTED0.01 s2, 3details
#9ACCEPTED0.01 s2, 3details
#10ACCEPTED0.01 s2, 3details
#110.02 s3details
#12ACCEPTED0.02 s3details
#13ACCEPTED0.03 s3details
#140.05 s3details
#150.05 s3details
#160.04 s3details
#170.04 s3details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:15:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while(alaketju.size()>alaindeksi){
               ~~~~~~~~~~~~~~~^~~~~~~~~~~
input/code.cpp:23:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while(ylaketju.size()>ylaindeksi){
               ~~~~~~~~~~~~~~~^~~~~~~~~~~

Code

#include <bits/stdc++.h>
using namespace std;

int n, k, maara, alaindeksi, ylaindeksi, pieninindeksi;
vector<int> alaketju, ylaketju;

int main(){
    cin>>n>>k;
    int t[n];
    for(int i=0;i<n;i++){
        cin>>t[i];
    }
    
    for(int i=0;i<n;i++){
        while(alaketju.size()>alaindeksi){
            if(t[i]<=t[alaketju.back()]){
                alaketju.pop_back();
            }else{
                break;
            }
        }
        alaketju.push_back(i);
        while(ylaketju.size()>ylaindeksi){
            if(t[i]>=t[ylaketju.back()]){
                ylaketju.pop_back();
            }else{
                break;
            }
        }
        ylaketju.push_back(i);
        
        while(t[ylaketju[ylaindeksi]]-t[alaketju[alaindeksi]]>k){
            pieninindeksi = min(ylaketju[ylaindeksi], alaketju[alaindeksi])+1;
            if(ylaketju[ylaindeksi]<alaketju[alaindeksi]){
                ylaindeksi++;
            }else{
                alaindeksi++;
            }
        }
        maara += i-pieninindeksi+1;
    }
    cout<<maara;
}

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
705082704

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
-544892296

Test 17

Group: 3

Verdict:

input
100000 50000
100000 99999 99998 99997 99996...

correct output
3750075000

user output
-544892296