CSES - Datatähti Open 2021 - Results
Submission details
Task:Programmers
Sender:MAKMED1337
Submission time:2021-01-30 20:28:58 +0200
Language:C++ (C++11)
Status:READY
Result:34
Feedback
groupverdictscore
#1ACCEPTED34
#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 s1, 2, 3details
#7ACCEPTED0.01 s1, 2, 3details
#8ACCEPTED0.02 s1, 2, 3details
#9ACCEPTED0.03 s1, 2, 3details
#10ACCEPTED0.03 s1, 2, 3details
#11ACCEPTED0.01 s1, 2, 3details
#12ACCEPTED0.01 s1, 3details
#13ACCEPTED0.01 s1, 3details
#14ACCEPTED0.02 s1, 3details
#15ACCEPTED0.01 s1, 3details
#16ACCEPTED0.03 s1, 3details
#170.43 s2, 3details
#180.75 s2, 3details
#190.75 s2, 3details
#200.76 s2, 3details
#210.76 s2, 3details
#220.76 s2, 3details
#230.74 s2, 3details
#240.76 s3details
#250.76 s3details
#260.78 s3details
#270.76 s3details
#280.77 s3details
#290.76 s3details
#300.77 s3details
#310.78 s3details

Code

#include <bits/stdc++.h>
#include <climits>

using namespace std;

template<class T>
using V = vector<T>;
template<class T>
using VV = V<V<T>>;

using ld = long double;
#define ll long long
using ull = unsigned ll;
using PLL = pair<ll, ll>;
using VLL = V<ll>;
using VB = V<bool>;
using VVB = VV<bool>;
using VVLL = VV<ll>;
using Gr = VVLL;
using MLL = map<ll, ll>;
#define UMLL unordered_map<ll, ll, custom_hash>

//using int128 = __int128;
//using double128 = __float128;

#define fast ios_base::sync_with_stdio(0); cin.tie(nullptr); cout.tie(nullptr); cerr.tie(nullptr);

#define INF 100000000000000
#define MINF LONG_MIN

#define R &
#define CR const R

#define FORI(i, a, b) for(ll i = a, max##i = b; i < max##i; ++i)
#define FOR(i, n) FORI(i, 0, n)
#define RFORI(i, a, b) for(ll i = a, min##i = b; i >= min##i; --i)
#define RFOR(i, n) RFORI(i, n, 0)
#define FORA(i, a) for(auto i : a)
#define FORAR(i, a) for(auto R i : a)
#define FORACR(i, a) for(auto CR i : a)
#define ALL(obj) begin(obj), end(obj)
#define Count(q) while(q--)
#define OK cerr << "OK\n";

#define mp make_pair
#define pb push_back

//#define DEBUG

template<class T>
T sqr(T x)
{
    return x * x;
}

void YES(bool g, ostream R os, bool upper = true)
{
    if(g)
        if(upper)
            os << "YES";
        else
            os << "Yes";
    else
        if(upper)
            os << "NO";
        else
            os << "No";

    os << "\n";
}

template<class T>
void show(T CR t, ostream R os = cerr)
{
    FORACR(i, t)
        os << i << " ";
    os << "\n";
}

template<class T>
void show2d(T CR t, ostream R os = cerr)
{
    FORACR(i, t)
        show(i, os);
    os << "\n";
}

constexpr ll MOD = 1e9 + 7;
constexpr ll len = 40320 + 1;

constexpr ld PI = atanl(1.0L) * 4;

struct custom_hash
{
    static uint64_t splitmix64(uint64_t x)
    {
        x += 0x9e3779b97f4a7c15;
        x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
        x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
        return x ^ (x >> 31);
    }

    size_t operator() (uint64_t x) const
    {
        static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();
        return splitmix64(x + FIXED_RANDOM);
    }
};

//arr
void init() {}

void solve(istream R is, ostream R os)
{
    ll n, k;
    is >> n >> k;

    VLL a(n);
    FORAR(i, a)
        is >> i;

    sort(ALL(a));
    show(a);

    VVLL dp(n, VLL(k + 1, INF));
    dp[0][0] = 0;
    dp[1][0] = 0;
    dp[1][1] = a[1] - a[0];

    FORI(i, 2, n)
    {
        FOR(j, k + 1)
            dp[i][j] = dp[i - 1][j];

        FOR(j, k)
            dp[i][j + 1] = min(dp[i][j + 1], a[i] - a[i - 1] + dp[i - 2][j]);
    }

    //cerr << "\n\n";
    //show2d(dp);

    os << dp[n - 1][k] << "\n";
}

void tester(istream R is, ostream R os)
{
    fast
    init();
    ll q = 1;
    //is >> q;
    os << setprecision(999);

    Count(q)
        solve(is, os);
}

int main()
{
    //ifstream in("input.txt");
    //ofstream out("output.txt");

    tester(cin, cout);
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
8 3
3 1 2 7 9 3 4 7

correct output
1

user output
1

Error:
1 2 3 3 4 7 7 9

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
2 1
2 13

correct output
11

user output
11

Error:
2 13

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
20 10
16 20 6 15 19 12 11 17 20 6 15...

correct output
6

user output
6

Error:
6 6 7 9 11 11 11 12 12 12 15 15 15 15 15 16 17 19 20 20

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
14 5
11 3 8 3 14 8 10 13 11 10 17 1...

correct output
0

user output
0

Error:
3 3 3 8 8 10 10 11 11 12 13 14 17 17

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
15 1
8 5 1 8 18 15 6 20 14 9 10 9 1...

correct output
0

user output
0

Error:
1 1 5 6 8 8 9 9 10 10 14 15 18 20 20

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
10 3
10 19 16 15 12 5 14 8 3 15

correct output
4

user output
4

Error:
3 5 8 10 12 14 15 15 16 19

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

input
202 90
177 187 183 647 616 580 499 78...

correct output
213

user output
213

Error:
3 4 6 9 10 15 16 17 21 22 27 28 29 29 43 44 46 46 63 63 70 74 75 90 97 101 102 108 118 129...

Test 8

Group: 1, 2, 3

Verdict: ACCEPTED

input
2000 512
141 583 135 833 900 308 248 58...

correct output
0

user output
0

Error:
1 1 2 3 4 4 5 5 5 5 6 6 7 8 9 11 12 12 13 13 13 14 14 15 15 16 16 18 18 18 18 18 19 19 19...

Test 9

Group: 1, 2, 3

Verdict: ACCEPTED

input
2000 972
685 4 289 865 93 159 48 866 56...

correct output
276

user output
276

Error:
1 2 2 2 3 4 4 4 4 4 4 5 5 6 6 6 6 6 7 7 7 8 8 9 9 9 10 10 11 12 14 14 14 14 15 15 15 15 17...

Test 10

Group: 1, 2, 3

Verdict: ACCEPTED

input
2000 1000
698 153 298 118 631 341 238 7 ...

correct output
517

user output
517

Error:
1 2 2 3 3 3 4 4 4 5 5 5 6 6 6 7 7 7 7 9 10 10 10 11 12 13 15 16 16 19 19 20 20 20 21 21 22...

Test 11

Group: 1, 2, 3

Verdict: ACCEPTED

input
2000 1
983 144 449 584 839 166 77 885...

correct output
0

user output
0

Error:
1 1 2 2 2 4 4 4 4 5 6 6 7 7 7 7 7 7 7 9 9 9 9 9 10 11 11 11 11 11 13 14 14 15 15 17 17 17...

Test 12

Group: 1, 3

Verdict: ACCEPTED

input
1464 320
846762124 954854396 12767390 7...

correct output
35809369

user output
35809369

Error:
729941 2182947 3249752 4444498 5825151 6483997 8276666 8832459 10646312 10669155 10702140...

Test 13

Group: 1, 3

Verdict: ACCEPTED

input
2000 231
801945178 924940258 369188694 ...

correct output
7831421

user output
7831421

Error:
1662213 2157290 2242927 2348140 2424543 2824426 3133117 3136796 3137737 3524940 3849355 43...

Test 14

Group: 1, 3

Verdict: ACCEPTED

input
2000 461
464790475 932031556 838378103 ...

correct output
37272564

user output
37272564

Error:
109741 172937 316249 888123 1080811 1098179 1486955 1604180 1921862 2763003 2794522 362135...

Test 15

Group: 1, 3

Verdict: ACCEPTED

input
2000 100
484046702 267135814 995006323 ...

correct output
1268400

user output
1268400

Error:
237534 476236 718459 851444 1198028 1898518 2584877 2882841 3638157 3695785 4089790 438188...

Test 16

Group: 1, 3

Verdict: ACCEPTED

input
2000 996
98352148 438929491 242618159 1...

correct output
445965905

user output
445965905

Error:
956313 2022285 2775367 2784387 3712801 4817536 4992304 5270190 6687493 6697565 7207841 808...

Test 17

Group: 2, 3

Verdict:

input
65879 19675
896 316 972 476 636 227 716 78...

correct output
0

user output
(empty)

Error:
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...

Test 18

Group: 2, 3

Verdict:

input
200000 53820
995 720 135 767 943 742 191 26...

correct output
0

user output
(empty)

Error:
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...

Test 19

Group: 2, 3

Verdict:

input
200000 32297
527 947 84 851 908 833 339 112...

correct output
0

user output
(empty)

Error:
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...

Test 20

Group: 2, 3

Verdict:

input
200000 99982
561 174 242 275 460 109 664 68...

correct output
322

user output
(empty)

Error:
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...

Test 21

Group: 2, 3

Verdict:

input
200000 99955
911 33 314 861 298 117 972 982...

correct output
245

user output
(empty)

Error:
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...

Test 22

Group: 2, 3

Verdict:

input
200000 99972
783 1000 673 611 87 452 702 92...

correct output
290

user output
(empty)

Error:
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...

Test 23

Group: 2, 3

Verdict:

input
200000 99961
795 136 128 643 60 422 371 839...

correct output
252

user output
(empty)

Error:
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...

Test 24

Group: 3

Verdict:

input
195426 76599
442872072 619088799 118541378 ...

correct output
143376538

user output
(empty)

Error:
8599 17173 17263 18609 28458 31442 38732 39986 40467 43002 48663 59304 63560 73285 74171 7...

Test 25

Group: 3

Verdict:

input
200000 1661
894106972 620084612 931442312 ...

correct output
33089

user output
(empty)

Error:
1334 1572 4569 8051 9747 13002 14186 15276 15304 18705 29646 30369 35408 40287 45898 46678...

Test 26

Group: 3

Verdict:

input
200000 86032
211444153 846442677 297198384 ...

correct output
196001810

user output
(empty)

Error:
4430 4666 6150 14869 18481 23043 26707 38838 58112 70916 71027 74063 80403 82836 87802 895...

Test 27

Group: 3

Verdict:

input
200000 28275
28280312 349705372 96535649 84...

correct output
11627219

user output
(empty)

Error:
3772 10645 12298 24710 24975 25733 26246 43471 46211 51677 54250 58562 59157 60714 63678 6...

Test 28

Group: 3

Verdict:

input
200000 81473
178022892 112774306 250584651 ...

correct output
162430841

user output
(empty)

Error:
847 10466 12559 15297 17446 18275 22130 43852 44424 45549 46278 53760 61677 63521 66214 76...

Test 29

Group: 3

Verdict:

input
200000 99987
297598052 494409138 182268523 ...

correct output
489497036

user output
(empty)

Error:
6245 18418 23101 32244 34642 38131 40746 41887 43602 53474 58309 68766 71021 74421 76556 7...

Test 30

Group: 3

Verdict:

input
200000 99971
316462272 843156468 434342923 ...

correct output
483167476

user output
(empty)

Error:
6082 10614 11604 11698 18769 22465 26511 26527 33192 33208 36563 55132 56926 57747 65921 6...

Test 31

Group: 3

Verdict:

input
200000 99964
811543559 465033274 620180191 ...

correct output
481497328

user output
(empty)

Error:
1699 3051 8056 10671 18590 19433 20963 24716 28899 38275 54821 55285 56722 57282 58126 682...