CSES - Datatähti 2020 loppu - Results
Submission details
Task:Auraus
Sender:Pauli Kauro
Submission time:2020-02-09 14:44:09 +0200
Language:C++ (C++11)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#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
#80.01 s1, 2, 3details
#9ACCEPTED0.01 s1, 2, 3details
#10ACCEPTED0.01 s1, 2, 3details
#11ACCEPTED0.01 s1, 2, 3details
#12ACCEPTED0.01 s1, 2, 3details
#13ACCEPTED0.01 s1, 2, 3details
#14ACCEPTED0.01 s1, 2, 3details
#15ACCEPTED0.01 s1, 2, 3details
#16ACCEPTED0.01 s1, 2, 3details
#17ACCEPTED0.01 s1, 2, 3details
#180.01 s1, 2, 3details
#19ACCEPTED0.01 s1, 2, 3details
#20ACCEPTED0.01 s1, 2, 3details
#21ACCEPTED0.01 s1, 2, 3details
#22ACCEPTED0.01 s1, 2, 3details
#23ACCEPTED0.01 s1, 2, 3details
#24ACCEPTED0.01 s1, 2, 3details
#25ACCEPTED0.01 s1, 2, 3details
#26ACCEPTED0.01 s1, 2, 3details
#27ACCEPTED0.01 s1, 2, 3details
#28ACCEPTED0.01 s1, 2, 3details
#29ACCEPTED0.01 s1, 2, 3details
#30ACCEPTED0.01 s1, 2, 3details
#310.01 s1, 2, 3details
#32ACCEPTED0.01 s1, 2, 3details
#33ACCEPTED0.01 s1, 2, 3details
#34ACCEPTED0.01 s1, 2, 3details
#35ACCEPTED0.01 s1, 2, 3details
#360.01 s1, 2, 3details
#37ACCEPTED0.01 s1, 2, 3details
#38ACCEPTED0.01 s1, 2, 3details
#390.01 s1, 2, 3details
#40ACCEPTED0.01 s1, 2, 3details
#41ACCEPTED0.01 s1, 2, 3details
#42ACCEPTED0.01 s1, 2, 3details
#43ACCEPTED0.01 s2, 3details
#44ACCEPTED0.01 s2, 3details
#45--2, 3details
#460.01 s2, 3details
#470.01 s2, 3details
#480.01 s2, 3details
#490.01 s2, 3details
#500.01 s2, 3details
#510.01 s2, 3details
#52ACCEPTED0.01 s2, 3details
#530.09 s2, 3details
#54ACCEPTED0.01 s2, 3details
#55--2, 3details
#560.01 s2, 3details
#57--2, 3details
#580.01 s2, 3details
#59ACCEPTED0.01 s2, 3details
#60ACCEPTED0.01 s2, 3details
#61ACCEPTED0.01 s3details
#62ACCEPTED0.01 s3details
#630.01 s3details
#640.01 s3details
#650.01 s3details
#66--3details
#67--3details
#680.01 s3details
#69--3details
#700.01 s3details
#710.01 s3details
#720.01 s3details
#730.01 s3details
#74ACCEPTED0.01 s3details
#75--3details
#76ACCEPTED0.01 s3details
#770.01 s3details
#780.01 s3details
#790.01 s3details
#800.01 s3details
#81ACCEPTED0.01 s3details
#82ACCEPTED0.01 s3details

Compiler report

input/code.cpp: In function 'int pituus(toive)':
input/code.cpp:16:7: warning: decomposition declaration only available with -std=c++1z or -std=gnu++1z
  auto [a, b] = t;
       ^
input/code.cpp: In function 'll tarkista(std::vector<std::pair<int, int> >&)':
input/code.cpp:24:12: warning: decomposition declaration only available with -std=c++1z or -std=gnu++1z
  for (auto [a, b] : v) {
            ^

Code

#include <bits/stdc++.h>
using namespace std;
using toive = pair<int, int>;
using ll = long long;
constexpr ll M = 1000;

int n, m, k;

static inline
int pituus(int a, int b) {
	return b - a + 1;
}

static inline
int pituus(toive t) {
	auto [a, b] = t;
	return pituus(a, b);
}

vector<toive> toiveet;

bool kaytossa[M + 1];
ll tarkista(vector<toive> &v) {
	for (auto [a, b] : v) {
		fill_n(kaytossa + a, pituus(a, b), true);
	}
	ll c = accumulate(kaytossa, kaytossa + n, 0);
	fill_n(kaytossa, n, false);
	return c <= k ? v.size() : 0;
}

int main() {
	cin >> n >> m >> k;
	for (int i = 0; i < m; i++) {
		int a, b;
		cin >> a >> b;
		// liian pitka toive
		if (pituus({a, b}) > k) continue;
		toiveet.emplace_back(a, b);
	}
	// toiveiden osajoukot
	ll ans = 0;
	for (ll i = 0; i < (1 << toiveet.size()); i++) {
		vector<toive> nyt;
		ll x = i;
		while (x > 0) {
			ll bit = x & -x;
			ll ix = __builtin_ctz(bit);
			nyt.push_back(toiveet[ix]);
			x -= bit;
		}
		ans = max(ans, tarkista(nyt));
	}
	cout << ans << endl;
	return 0;
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
6 4 4
1 3
3 4
2 3
3 6

correct output
3

user output
3

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
3 3 2
1 1
1 3
3 3

correct output
2

user output
2

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
1 0 0

correct output
0

user output
0

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
1 1 0
1 1

correct output
0

user output
0

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
1 1 1
1 1

correct output
1

user output
1

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
2 1 1
1 2

correct output
0

user output
0

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

input
2 1 2
1 2

correct output
1

user output
1

Test 8

Group: 1, 2, 3

Verdict:

input
2 2 1
1 1
2 2

correct output
1

user output
2

Test 9

Group: 1, 2, 3

Verdict: ACCEPTED

input
2 2 2
1 1
2 2

correct output
2

user output
2

Test 10

Group: 1, 2, 3

Verdict: ACCEPTED

input
2 2 2
1 2
1 2

correct output
2

user output
2

Test 11

Group: 1, 2, 3

Verdict: ACCEPTED

input
5 5 2
1 2
1 2
3 5
3 5
...

correct output
2

user output
2

Test 12

Group: 1, 2, 3

Verdict: ACCEPTED

input
6 3 4
1 3
2 4
5 6

correct output
2

user output
2

Test 13

Group: 1, 2, 3

Verdict: ACCEPTED

input
4 2 2
2 3
2 3

correct output
2

user output
2

Test 14

Group: 1, 2, 3

Verdict: ACCEPTED

input
6 3 1
3 6
1 3
2 5

correct output
0

user output
0

Test 15

Group: 1, 2, 3

Verdict: ACCEPTED

input
6 3 0
3 3
2 5
2 5

correct output
0

user output
0

Test 16

Group: 1, 2, 3

Verdict: ACCEPTED

input
6 3 1
1 3
2 5
1 6

correct output
0

user output
0

Test 17

Group: 1, 2, 3

Verdict: ACCEPTED

input
6 4 3
2 4
1 6
2 4
2 5

correct output
2

user output
2

Test 18

Group: 1, 2, 3

Verdict:

input
13 14 9
6 7
1 3
1 10
4 4
...

correct output
7

user output
8

Test 19

Group: 1, 2, 3

Verdict: ACCEPTED

input
6 4 3
1 3
1 4
4 4
2 2

correct output
2

user output
2

Test 20

Group: 1, 2, 3

Verdict: ACCEPTED

input
6 3 3
5 5
2 4
3 3

correct output
2

user output
2

Test 21

Group: 1, 2, 3

Verdict: ACCEPTED

input
1 4 1
1 1
1 1
1 1
1 1

correct output
4

user output
4

Test 22

Group: 1, 2, 3

Verdict: ACCEPTED

input
7 13 7
3 7
3 5
5 7
1 6
...

correct output
13

user output
13

Test 23

Group: 1, 2, 3

Verdict: ACCEPTED

input
6 3 4
2 2
1 4
4 4

correct output
3

user output
3

Test 24

Group: 1, 2, 3

Verdict: ACCEPTED

input
3 2 2
1 1
3 3

correct output
2

user output
2

Test 25

Group: 1, 2, 3

Verdict: ACCEPTED

input
15 15 6
7 15
7 13
4 12
1 5
...

correct output
5

user output
5

Test 26

Group: 1, 2, 3

Verdict: ACCEPTED

input
15 15 8
1 5
12 14
2 6
2 13
...

correct output
7

user output
7

Test 27

Group: 1, 2, 3

Verdict: ACCEPTED

input
15 15 3
6 6
10 14
7 10
10 15
...

correct output
3

user output
3

Test 28

Group: 1, 2, 3

Verdict: ACCEPTED

input
15 15 6
2 11
8 14
3 12
3 6
...

correct output
4

user output
4

Test 29

Group: 1, 2, 3

Verdict: ACCEPTED

input
15 15 5
1 9
4 13
5 13
7 9
...

correct output
3

user output
3

Test 30

Group: 1, 2, 3

Verdict: ACCEPTED

input
15 15 5
4 10
6 8
7 9
2 8
...

correct output
3

user output
3

Test 31

Group: 1, 2, 3

Verdict:

input
15 15 10
3 14
1 8
1 10
14 15
...

correct output
6

user output
7

Test 32

Group: 1, 2, 3

Verdict: ACCEPTED

input
15 15 10
7 10
5 8
2 13
9 12
...

correct output
9

user output
9

Test 33

Group: 1, 2, 3

Verdict: ACCEPTED

input
15 15 15
8 14
6 14
6 11
11 15
...

correct output
15

user output
15

Test 34

Group: 1, 2, 3

Verdict: ACCEPTED

input
15 15 15
1 15
1 15
1 15
1 15
...

correct output
15

user output
15

Test 35

Group: 1, 2, 3

Verdict: ACCEPTED

input
15 15 14
1 15
1 15
1 15
1 15
...

correct output
0

user output
0

Test 36

Group: 1, 2, 3

Verdict:

input
15 15 12
2 2
5 10
7 14
1 14
...

correct output
9

user output
11

Test 37

Group: 1, 2, 3

Verdict: ACCEPTED

input
15 15 7
1 8
6 8
1 8
11 11
...

correct output
7

user output
7

Test 38

Group: 1, 2, 3

Verdict: ACCEPTED

input
15 15 11
6 9
1 11
11 14
6 6
...

correct output
11

user output
11

Test 39

Group: 1, 2, 3

Verdict:

input
15 15 10
3 11
6 11
7 9
4 10
...

correct output
10

user output
11

Test 40

Group: 1, 2, 3

Verdict: ACCEPTED

input
15 8 8
1 1
3 3
5 5
7 7
...

correct output
8

user output
8

Test 41

Group: 1, 2, 3

Verdict: ACCEPTED

input
15 0 0

correct output
0

user output
0

Test 42

Group: 1, 2, 3

Verdict: ACCEPTED

input
15 0 15

correct output
0

user output
0

Test 43

Group: 2, 3

Verdict: ACCEPTED

input
100 100 0
94 95
31 65
35 95
70 78
...

correct output
0

user output
0

Test 44

Group: 2, 3

Verdict: ACCEPTED

input
100 100 1
23 39
46 85
72 97
41 70
...

correct output
0

user output
0

Test 45

Group: 2, 3

Verdict:

input
100 100 10
69 94
36 43
54 93
30 74
...

correct output
6

user output
(empty)

Test 46

Group: 2, 3

Verdict:

input
100 100 25
33 85
26 88
22 57
49 97
...

correct output
12

user output
3

Test 47

Group: 2, 3

Verdict:

input
100 100 50
8 57
12 89
13 63
31 93
...

correct output
29

user output
5

Test 48

Group: 2, 3

Verdict:

input
100 100 75
10 19
5 6
13 78
23 50
...

correct output
64

user output
0

Test 49

Group: 2, 3

Verdict:

input
100 100 99
49 59
41 52
82 93
78 81
...

correct output
98

user output
4

Test 50

Group: 2, 3

Verdict:

input
100 100 100
6 7
8 100
5 61
5 75
...

correct output
100

user output
4

Test 51

Group: 2, 3

Verdict:

input
100 100 100
1 100
1 100
1 100
1 100
...

correct output
100

user output
4

Test 52

Group: 2, 3

Verdict: ACCEPTED

input
100 100 99
1 100
1 100
1 100
1 100
...

correct output
0

user output
0

Test 53

Group: 2, 3

Verdict:

input
100 50 50
1 1
3 3
5 5
7 7
...

correct output
50

user output
18

Test 54

Group: 2, 3

Verdict: ACCEPTED

input
100 10 61
28 62
49 92
2 73
68 69
...

correct output
6

user output
6

Test 55

Group: 2, 3

Verdict:

input
100 100 90
1 1
1 2
1 3
1 4
...

correct output
90

user output
(empty)

Test 56

Group: 2, 3

Verdict:

input
100 100 100
1 1
1 2
1 3
1 4
...

correct output
100

user output
4

Test 57

Group: 2, 3

Verdict:

input
100 100 90
100 100
99 100
98 100
97 100
...

correct output
90

user output
(empty)

Test 58

Group: 2, 3

Verdict:

input
100 100 100
100 100
99 100
98 100
97 100
...

correct output
100

user output
4

Test 59

Group: 2, 3

Verdict: ACCEPTED

input
100 0 0

correct output
0

user output
0

Test 60

Group: 2, 3

Verdict: ACCEPTED

input
100 0 100

correct output
0

user output
0

Test 61

Group: 3

Verdict: ACCEPTED

input
500 1000 0
180 244
324 489
159 300
149 314
...

correct output
0

user output
0

Test 62

Group: 3

Verdict: ACCEPTED

input
500 1000 1
88 104
234 302
76 412
6 324
...

correct output
1

user output
1

Test 63

Group: 3

Verdict:

input
500 1000 10
182 372
205 444
136 417
112 166
...

correct output
4

user output
1

Test 64

Group: 3

Verdict:

input
500 1000 50
11 53
93 370
107 272
171 224
...

correct output
22

user output
4

Test 65

Group: 3

Verdict:

input
500 1000 100
156 169
331 451
309 348
398 428
...

correct output
61

user output
5

Test 66

Group: 3

Verdict:

input
500 1000 200
296 414
85 133
23 86
54 416
...

correct output
187

user output
(empty)

Test 67

Group: 3

Verdict:

input
500 1000 300
152 172
111 442
7 363
404 413
...

correct output
364

user output
(empty)

Test 68

Group: 3

Verdict:

input
500 1000 400
417 497
196 292
127 182
69 96
...

correct output
666

user output
3

Test 69

Group: 3

Verdict:

input
500 1000 450
175 446
175 218
145 183
169 222
...

correct output
817

user output
(empty)

Test 70

Group: 3

Verdict:

input
500 1000 490
34 85
148 275
308 346
35 77
...

correct output
973

user output
7

Test 71

Group: 3

Verdict:

input
500 1000 499
393 462
11 70
348 467
323 398
...

correct output
996

user output
8

Test 72

Group: 3

Verdict:

input
500 1000 500
137 175
270 449
369 404
32 380
...

correct output
1000

user output
8

Test 73

Group: 3

Verdict:

input
500 1000 500
1 500
1 500
1 500
1 500
...

correct output
1000

user output
8

Test 74

Group: 3

Verdict: ACCEPTED

input
500 1000 499
1 500
1 500
1 500
1 500
...

correct output
0

user output
0

Test 75

Group: 3

Verdict:

input
500 250 250
1 1
3 3
5 5
7 7
...

correct output
250

user output
(empty)

Test 76

Group: 3

Verdict: ACCEPTED

input
500 10 241
18 75
36 348
63 142
236 350
...

correct output
5

user output
5

Test 77

Group: 3

Verdict:

input
500 1000 450
1 1
1 2
1 3
1 4
...

correct output
900

user output
4

Test 78

Group: 3

Verdict:

input
500 1000 500
1 1
1 2
1 3
1 4
...

correct output
1000

user output
8

Test 79

Group: 3

Verdict:

input
500 1000 450
500 500
499 500
498 500
497 500
...

correct output
900

user output
4

Test 80

Group: 3

Verdict:

input
500 1000 500
500 500
499 500
498 500
497 500
...

correct output
1000

user output
8

Test 81

Group: 3

Verdict: ACCEPTED

input
500 0 0

correct output
0

user output
0

Test 82

Group: 3

Verdict: ACCEPTED

input
500 0 500

correct output
0

user output
0