CSES - Datatähti 2021 alku

Submission details
Task:	Alitaulukot
Sender:	Anttono
Submission time:	2020-10-10 14:38:30 +0300
Language:	C++ (C++11)
Status:	READY
Result:	37

Feedback
group	verdict	score
#1	ACCEPTED	11
#2	ACCEPTED	26
#3	TIME LIMIT EXCEEDED	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.01 s	1, 2, 3	details
#2	ACCEPTED	0.01 s	1, 2, 3	details
#3	ACCEPTED	0.01 s	1, 2, 3	details
#4	ACCEPTED	0.01 s	1, 2, 3	details
#5	ACCEPTED	0.01 s	1, 2, 3	details
#6	ACCEPTED	0.03 s	2, 3	details
#7	ACCEPTED	0.01 s	2, 3	details
#8	ACCEPTED	0.01 s	2, 3	details
#9	ACCEPTED	0.03 s	2, 3	details
#10	ACCEPTED	0.03 s	2, 3	details
#11	TIME LIMIT EXCEEDED	--	3	details
#12	ACCEPTED	0.03 s	3	details
#13	ACCEPTED	0.03 s	3	details
#14	TIME LIMIT EXCEEDED	--	3	details
#15	TIME LIMIT EXCEEDED	--	3	details
#16	TIME LIMIT EXCEEDED	--	3	details
#17	TIME LIMIT EXCEEDED	--	3	details

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 ...` view save

correct output
`5050` view save

user output
`5050` view save

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 ...` view save

correct output
`317` view save

user output
`317` view save

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
`100 10 71 60 61 96 25 10 10 9 84 85 1...` view save

correct output
`119` view save

user output
`119` view save

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
`100 990000000 111122929 961821360 578238211 ...` view save

correct output
`4006` view save

user output
`4006` view save

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
`100 1000000000 553190572 453407680 667300705 ...` view save

correct output
`5050` view save

user output
`5050` view save

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 ...` view save

correct output
`2001000` view save

user output
`2001000` view save

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 ...` view save

correct output
`6340` view save

user output
`6340` view save

Test 8

Group: 2, 3

Verdict: ACCEPTED

input
`2000 10 65 88 33 88 41 10 17 38 22 3 8...` view save

correct output
`2413` view save

user output
`2413` view save

Test 9

Group: 2, 3

Verdict: ACCEPTED

input
`2000 999000000 746120950 772769620 721488968 ...` view save

correct output
`1287776` view save

user output
`1287776` view save

Test 10

Group: 2, 3

Verdict: ACCEPTED

input
`2000 1000000000 621947980 510355354 756705418 ...` view save

correct output
`2001000` view save

user output
`2001000` view save

Test 11

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`100000 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`5000050000` view save

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 ...` view save

correct output
`317066` view save

user output
`317066` view save

Test 13

Group: 3

Verdict: ACCEPTED

input
`100000 10 10 3 6 3 43 60 5 48 15 27 86 4...` view save

correct output
`123292` view save

user output
`123292` view save

Test 14

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`100000 999990000 460235639 963048588 47270983 3...` view save

correct output
`4946886742` view save

user output
(empty)

Test 15

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`100000 1000000000 885457070 18257718 927615960 3...` view save

correct output
`5000050000` view save

user output
(empty)

Test 16

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`100000 50000 1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

correct output
`3750075000` view save

user output
(empty)

Test 17

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`100000 50000 100000 99999 99998 99997 99996...` view save

correct output
`3750075000` view save

user output
(empty)

Datatähti 2021 alku

Alitaulukot

Compiler report

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Tasks

Submissions (Anttono)