CSES - Datatähti 2021 alku - Results
Submission details
Task:Alitaulukot
Sender:Anttono
Submission time:2020-10-10 14:38:30 +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
#6ACCEPTED0.03 s2, 3details
#7ACCEPTED0.01 s2, 3details
#8ACCEPTED0.01 s2, 3details
#9ACCEPTED0.03 s2, 3details
#10ACCEPTED0.03 s2, 3details
#11--3details
#12ACCEPTED0.03 s3details
#13ACCEPTED0.03 s3details
#14--3details
#15--3details
#16--3details
#17--3details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:31:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 for(int a=0;a<cp.size();a++)
                             ~^~~~~~~~~~
input/code.cpp:34:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                     for(int b=a;b<cp.size();b++)
                                 ~^~~~~~~~~~
input/code.cpp:46:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 for(int a=1;a<tab.size();a++)
                             ~^~~~~~~~~~~
input/code.cpp:48:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                     for(int b=0;b<tab[a].size();b++)
                                 ~^~~~~~~~~~~~~~
input/code.cpp:64:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int a=0;a<cp.size();a++)...

Code

#include <bits/stdc++.h>

using namespace std;

int n,k;
vector<int> t;

int main()
{
    cin>>n;
    cin>>k;
    int x;
    for(int i=0;i<n;i++)
    {
        cin>>x;
        t.push_back(x);
    }
    vector<int> cp;
    bool lwr=false;
    int r=n;
    for(int i=0;i<n-1;i++)
    {
        int x=t[i]-t[i+1];
        if(lwr)
        {
            if(x<=k&&x>=-k) cp.push_back(x),r++;
            else
            {
                lwr=false;
                vector<vector<bool>> tab;
                for(int a=0;a<cp.size();a++)
                {
                    int s=0;
                    for(int b=a;b<cp.size();b++)
                    {
                        if(a==0)
                        {
                            vector<bool> nv;
                            tab.push_back(nv);
                        }
                        s+=cp[b];
                        bool tr=(s>=-k&&s<=k);
                        tab[b-a].push_back(tr);
                    }
                }
                for(int a=1;a<tab.size();a++)
                {
                    for(int b=0;b<tab[a].size();b++)
                    {
                        tab[a][b]=(tab[a-1][b]&&tab[a-1][b+1]&&tab[a][b]);
                        r+=tab[a][b];
                    }
                }
            }
        }
        else
        {
            if(x<=k&&x>=-k) lwr=true,cp={x},r++;
        }
    }
    if(lwr)
    {
        vector<vector<bool>> tab;
        for(int a=0;a<cp.size();a++)
        {
            int s=0;
            for(int b=a;b<cp.size();b++)
            {
                if(a==0)
                {
                    vector<bool> nv;
                    tab.push_back(nv);
                }
                s+=cp[b];
                bool tr=(s>=-k&&s<=k);
                tab[b-a].push_back(tr);
            }
        }
        for(int a=1;a<tab.size();a++)
        {
            for(int b=0;b<tab[a].size();b++)
            {
                tab[a][b]=(tab[a-1][b]&&tab[a-1][b+1]&&tab[a][b]);
                r+=tab[a][b];
            }
        }
    }
    cout<<r;
}

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)