CSES - Datatähti 2021 alku - Results
Submission details
Task:Alitaulukot
Sender:CursedTomb
Submission time:2020-10-09 16:47:15 +0300
Language:C++ (C++17)
Status:READY
Result:11
Feedback
groupverdictscore
#1ACCEPTED11
#20
#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
#70.01 s2, 3details
#8ACCEPTED0.01 s2, 3details
#9ACCEPTED0.01 s2, 3details
#10ACCEPTED0.01 s2, 3details
#11ACCEPTED0.02 s3details
#120.02 s3details
#130.03 s3details
#14ACCEPTED0.05 s3details
#15ACCEPTED0.05 s3details
#16--3details
#17--3details

Compiler report

input/code.cpp: In function 'std::pair<int, int> minMax(int, int)':
input/code.cpp:25:12: warning: 'd' may be used uninitialized in this function [-Wmaybe-uninitialized]
     return ret;
            ^~~
input/code.cpp:25:12: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized]
input/code.cpp: In function 'int main()':
input/code.cpp:55:45: warning: 'd' may be used uninitialized in this function [-Wmaybe-uninitialized]
                     if(m.second < m.first){a=m.second+1;suurin = v[m.second+1];}
                                            ~^~~~~~~~~~~
input/code.cpp:56:29: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized]
                     else {a = m.first+1; pienin = v[m.first+1];}
                           ~~^~~~~~~~~~~

Code

#include <bits/stdc++.h>
using namespace std;
vector<int> v;
int x,y,suurin,pienin,l;

pair<int,int> minMax(int a,int b)
{
    long long mini = 1e10;
    long long maxi = 0;
    int c,d;
    for(int i = a;i<=b;i++)
    {
        if(v[i]<mini)
        {
            mini = v[i];
            c = i;
        }
        if(v[i]>maxi)
        {
            maxi = v[i];
            d = i;
        }
    }
    pair<int,int> ret = make_pair(c,d);
    return ret;
}

int main()
{
    cin >> x >> y;
    v.resize(x);
    for(int i =0;i<x;i++) cin >> v[i];
    int a=l=0;
    suurin = v[0];
    pienin = v[0];
    long long summa = 0;
    for(int i = 0;i<2*x;i++)
    {
        suurin = max(suurin,v[l]);
        pienin = min(pienin, v[l]);
        if(suurin-pienin<=y)
        {
            summa+=l-a+1;
            l+=1;
        }
        else
        {
            //cout << *max_element(v.begin()+a,v.begin()+l+1)<< "h" << "\n";
            while(1)
            {
                pair<int,int>m = minMax(a,l);
                //cout << m.first << " " << m.second << "\n";
                if(v[m.second]-v[m.first]>y)
                {
                    if(m.second < m.first){a=m.second+1;suurin = v[m.second+1];}
                    else {a = m.first+1; pienin = v[m.first+1];}
                    continue;
                }
                break;
            }
        }
        //cout << a<< " " << l << " " << pienin << " " << suurin << " " << "\n";
        if(l==x) break;
    }
    cout << summa << "\n";

    //system("pause");
    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: 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:

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

correct output
6340

user output
6368

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: ACCEPTED

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

correct output
5000050000

user output
5000050000

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
318509

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
123297

Test 14

Group: 3

Verdict: ACCEPTED

input
100000 999990000
460235639 963048588 47270983 3...

correct output
4946886742

user output
4946886742

Test 15

Group: 3

Verdict: ACCEPTED

input
100000 1000000000
885457070 18257718 927615960 3...

correct output
5000050000

user output
5000050000

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)