CSES - Datatähti Open 2021 - Results
Submission details
Task:Programmers
Sender:rishb369
Submission time:2021-01-30 17:28:46 +0200
Language:C++11
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.01 s1, 2, 3details
#20.01 s1, 2, 3details
#30.01 s1, 2, 3details
#40.01 s1, 2, 3details
#50.01 s1, 2, 3details
#60.01 s1, 2, 3details
#70.01 s1, 2, 3details
#80.26 s1, 2, 3details
#90.00 s1, 2, 3details
#100.00 s1, 2, 3details
#110.01 s1, 2, 3details
#120.13 s1, 3details
#130.13 s1, 3details
#140.25 s1, 3details
#150.06 s1, 3details
#160.00 s1, 3details
#170.02 s2, 3details
#180.04 s2, 3details
#190.04 s2, 3details
#200.04 s2, 3details
#210.04 s2, 3details
#220.04 s2, 3details
#230.04 s2, 3details
#240.06 s3details
#250.06 s3details
#260.06 s3details
#270.06 s3details
#280.06 s3details
#290.06 s3details
#300.06 s3details
#310.06 s3details

Compiler report

input/code.cpp: In function 'void usaco(std::__cxx11::string)':
input/code.cpp:12:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   freopen((s+".in").c_str(), "r", stdin);
   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
input/code.cpp:13:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   freopen((s+".out").c_str(), "w", stdout);
   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Code

#include <bits/stdc++.h>
using namespace std;
#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
typedef long long ll;
typedef pair<ll, ll> pii;
typedef vector<ll> vi;
typedef vector<pii> vpi;

void usaco(string s){
  freopen((s+".in").c_str(), "r", stdin);
  freopen((s+".out").c_str(), "w", stdout);
}

int main() {
	cin.tie(0)->sync_with_stdio(0);
	cin.exceptions(cin.failbit);
#ifdef LOCAL_DEFINE
	freopen("input.txt", "r", stdin);
#endif
  ll n, k;
  cin >> n >> k;
  vector<ll> v(n);
  for(ll i = 0; i < n; i++){
    cin >> v[i];
  }
  sort(all(v));

  //for(auto i: v) cout << i << ' ';
  //cout << '\n';

  ll dp[n+1][k+1];
  for(ll i = 0; i < n+1; i++) for(int j = 0; j < k+1; j++) dp[i][j] = (ll)1e16;
  dp[1][0] = 0;
  dp[1][1] = abs(v[1]-v[0]);
  for(int i = 0; i < k+1; i++) dp[i][0] = 0;
  ll ans = 1e15;
  for(int i = 2; i < n+1; i++){
    for(int j = 1; j < k+1; j++){
      dp[i][j] = min(dp[i-2][j-1] + abs(v[i]-v[i-1]), min(dp[i-1][j], dp[i-2][j]));
      if(j == k){
        ans = min(ans, dp[i][j]);
      }
      cout << i << ' ' << j << ' ' << dp[i][j] << '\n';
    }
  }
  cout << ans << '\n';
}

Test details

Test 1

Group: 1, 2, 3

Verdict:

input
8 3
3 1 2 7 9 3 4 7

correct output
1

user output
2 1 1
2 2 10000000000000000
2 3 10000000000000000
3 1 0
3 2 1
...

Test 2

Group: 1, 2, 3

Verdict:

input
2 1
2 13

correct output
11

user output
2 1 11
11

Test 3

Group: 1, 2, 3

Verdict:

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

correct output
6

user output
2 1 0
2 2 10000000000000000
2 3 10000000000000000
2 4 10000000000000000
2 5 10000000000000000
...

Test 4

Group: 1, 2, 3

Verdict:

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

correct output
0

user output
2 1 0
2 2 10000000000000000
2 3 10000000000000000
2 4 10000000000000000
2 5 10000000000000000
...

Test 5

Group: 1, 2, 3

Verdict:

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

correct output
0

user output
2 1 0
3 1 0
4 1 0
5 1 0
6 1 0
...

Test 6

Group: 1, 2, 3

Verdict:

input
10 3
10 19 16 15 12 5 14 8 3 15

correct output
4

user output
2 1 2
2 2 10000000000000000
2 3 10000000000000000
3 1 2
3 2 4
...

Test 7

Group: 1, 2, 3

Verdict:

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

correct output
213

user output
2 1 1
2 2 10000000000000000
2 3 10000000000000000
2 4 10000000000000000
2 5 10000000000000000
...

Test 8

Group: 1, 2, 3

Verdict:

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

correct output
0

user output
2 1 0
2 2 10000000000000000
2 3 10000000000000000
2 4 10000000000000000
2 5 10000000000000000
...

Test 9

Group: 1, 2, 3

Verdict:

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

correct output
276

user output
(empty)

Test 10

Group: 1, 2, 3

Verdict:

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

correct output
517

user output
(empty)

Test 11

Group: 1, 2, 3

Verdict:

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

correct output
0

user output
2 1 0
3 1 0
4 1 0
5 1 0
6 1 0
...

Test 12

Group: 1, 3

Verdict:

input
1464 320
846762124 954854396 12767390 7...

correct output
35809369

user output
2 1 1066805
2 2 10000000000000000
2 3 10000000000000000
2 4 10000000000000000
2 5 10000000000000000
...

Test 13

Group: 1, 3

Verdict:

input
2000 231
801945178 924940258 369188694 ...

correct output
7831421

user output
2 1 85637
2 2 10000000000000000
2 3 10000000000000000
2 4 10000000000000000
2 5 10000000000000000
...

Test 14

Group: 1, 3

Verdict:

input
2000 461
464790475 932031556 838378103 ...

correct output
37272564

user output
2 1 63196
2 2 10000000000000000
2 3 10000000000000000
2 4 10000000000000000
2 5 10000000000000000
...

Test 15

Group: 1, 3

Verdict:

input
2000 100
484046702 267135814 995006323 ...

correct output
1268400

user output
2 1 238702
2 2 10000000000000000
2 3 10000000000000000
2 4 10000000000000000
2 5 10000000000000000
...

Test 16

Group: 1, 3

Verdict:

input
2000 996
98352148 438929491 242618159 1...

correct output
445965905

user output
(empty)

Test 17

Group: 2, 3

Verdict:

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

correct output
0

user output
(empty)

Test 18

Group: 2, 3

Verdict:

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

correct output
0

user output
(empty)

Test 19

Group: 2, 3

Verdict:

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

correct output
0

user output
(empty)

Test 20

Group: 2, 3

Verdict:

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

correct output
322

user output
(empty)

Test 21

Group: 2, 3

Verdict:

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

correct output
245

user output
(empty)

Test 22

Group: 2, 3

Verdict:

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

correct output
290

user output
(empty)

Test 23

Group: 2, 3

Verdict:

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

correct output
252

user output
(empty)

Test 24

Group: 3

Verdict:

input
195426 76599
442872072 619088799 118541378 ...

correct output
143376538

user output
(empty)

Test 25

Group: 3

Verdict:

input
200000 1661
894106972 620084612 931442312 ...

correct output
33089

user output
(empty)

Test 26

Group: 3

Verdict:

input
200000 86032
211444153 846442677 297198384 ...

correct output
196001810

user output
(empty)

Test 27

Group: 3

Verdict:

input
200000 28275
28280312 349705372 96535649 84...

correct output
11627219

user output
(empty)

Test 28

Group: 3

Verdict:

input
200000 81473
178022892 112774306 250584651 ...

correct output
162430841

user output
(empty)

Test 29

Group: 3

Verdict:

input
200000 99987
297598052 494409138 182268523 ...

correct output
489497036

user output
(empty)

Test 30

Group: 3

Verdict:

input
200000 99971
316462272 843156468 434342923 ...

correct output
483167476

user output
(empty)

Test 31

Group: 3

Verdict:

input
200000 99964
811543559 465033274 620180191 ...

correct output
481497328

user output
(empty)