CSES - Datatähti 2020 loppu - Results
Submission details
Task:Auraus
Sender:Stepan Fedotov
Submission time:2020-02-09 15:44:25 +0200
Language:C++11
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3details
#20.01 s1, 2, 3details
#3ACCEPTED0.01 s1, 2, 3details
#4ACCEPTED0.01 s1, 2, 3details
#50.01 s1, 2, 3details
#6ACCEPTED0.01 s1, 2, 3details
#7ACCEPTED0.01 s1, 2, 3details
#80.01 s1, 2, 3details
#90.01 s1, 2, 3details
#10ACCEPTED0.01 s1, 2, 3details
#11--1, 2, 3details
#120.01 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
#18--1, 2, 3details
#19ACCEPTED0.01 s1, 2, 3details
#20ACCEPTED0.01 s1, 2, 3details
#210.01 s1, 2, 3details
#22--1, 2, 3details
#23ACCEPTED0.01 s1, 2, 3details
#240.01 s1, 2, 3details
#250.01 s1, 2, 3details
#26--1, 2, 3details
#270.01 s1, 2, 3details
#280.01 s1, 2, 3details
#290.01 s1, 2, 3details
#300.01 s1, 2, 3details
#31--1, 2, 3details
#32--1, 2, 3details
#33--1, 2, 3details
#34ACCEPTED0.01 s1, 2, 3details
#35ACCEPTED0.01 s1, 2, 3details
#36--1, 2, 3details
#37--1, 2, 3details
#38--1, 2, 3details
#39--1, 2, 3details
#400.01 s1, 2, 3details
#41ACCEPTED0.01 s1, 2, 3details
#42ACCEPTED0.01 s1, 2, 3details
#430.01 s2, 3details
#44--2, 3details
#45--2, 3details
#46--2, 3details
#47--2, 3details
#48--2, 3details
#49--2, 3details
#50--2, 3details
#51--2, 3details
#52--2, 3details
#530.01 s2, 3details
#54--2, 3details
#55--2, 3details
#56--2, 3details
#57--2, 3details
#58--2, 3details
#59ACCEPTED0.01 s2, 3details
#60ACCEPTED0.01 s2, 3details
#610.01 s3details
#62--3details
#63--3details
#64--3details
#65--3details
#66--3details
#67--3details
#68--3details
#69--3details
#70--3details
#71--3details
#72--3details
#73--3details
#74--3details
#750.01 s3details
#76--3details
#77--3details
#78--3details
#79--3details
#80--3details
#81ACCEPTED0.01 s3details
#82ACCEPTED0.01 s3details

Code

#include <bits/stdc++.h>
#define ll long long

int main() {
    int n, m, k;
    std::cin >> n >> m >> k;

    std::vector<int> worth = {0};
    std::vector<std::pair<int, int>> wishes;
    worth.resize(n + 1);
    for (int i = 0; i < m; i++) {
        int l, r;
        std::cin >> l >> r;

        worth[l]++;
        worth[r]--;
        wishes.push_back({l, r});
    }

    int satisfied = 0;
    bool clean[501];

    while(k > 0) {
        int curSum = 0, highest = 0, highestStart = 0, highestEnd = 0;
        for(int i = 1; i <= n; i++) {
            if (worth[i] != 0) {
                curSum += worth[i];

                if (curSum > highest) {
                    highest = curSum;
                    highestStart = i;
                } else if(curSum < highest && highestEnd == 0) {
                    highestEnd = i;
                }
            }
        }
        if (highestStart == 0 && highestEnd == 0 && clean[0]) break;

        //std::cout << "found highest " << highest << " starting at " << highestStart << " and we have " << k << " energy left" << std::endl;
        //std::cout << "cleaning between " << highestStart << " and " << highestEnd << std::endl;
        for(int i = highestStart; i <= highestEnd; i++) {
            //std::cout << "going at " << i << std::endl;
            if (clean[i]) continue;

            worth[i] -= highest;
            clean[i] = 1;
            k -= 1;
            if (k == 0) break;
        }
    }

    for(auto i = wishes.begin(); i != wishes.end(); ++i) {
        bool bad = false;

        for(int j = (*i).first; j <= (*i).second; j++) {
            if (!clean[j]) {
                bad = true;
                break;
            }
        }

        if (!bad) satisfied++;
    }

    std::cout << satisfied << std::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:

input
3 3 2
1 1
1 3
3 3

correct output
2

user output
1

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:

input
1 1 1
1 1

correct output
1

user output
0

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
0

Test 9

Group: 1, 2, 3

Verdict:

input
2 2 2
1 1
2 2

correct output
2

user output
0

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:

input
5 5 2
1 2
1 2
3 5
3 5
...

correct output
2

user output
(empty)

Test 12

Group: 1, 2, 3

Verdict:

input
6 3 4
1 3
2 4
5 6

correct output
2

user output
1

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
(empty)

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:

input
1 4 1
1 1
1 1
1 1
1 1

correct output
4

user output
0

Test 22

Group: 1, 2, 3

Verdict:

input
7 13 7
3 7
3 5
5 7
1 6
...

correct output
13

user output
(empty)

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:

input
3 2 2
1 1
3 3

correct output
2

user output
0

Test 25

Group: 1, 2, 3

Verdict:

input
15 15 6
7 15
7 13
4 12
1 5
...

correct output
5

user output
1

Test 26

Group: 1, 2, 3

Verdict:

input
15 15 8
1 5
12 14
2 6
2 13
...

correct output
7

user output
(empty)

Test 27

Group: 1, 2, 3

Verdict:

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

correct output
3

user output
1

Test 28

Group: 1, 2, 3

Verdict:

input
15 15 6
2 11
8 14
3 12
3 6
...

correct output
4

user output
1

Test 29

Group: 1, 2, 3

Verdict:

input
15 15 5
1 9
4 13
5 13
7 9
...

correct output
3

user output
2

Test 30

Group: 1, 2, 3

Verdict:

input
15 15 5
4 10
6 8
7 9
2 8
...

correct output
3

user output
2

Test 31

Group: 1, 2, 3

Verdict:

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

correct output
6

user output
(empty)

Test 32

Group: 1, 2, 3

Verdict:

input
15 15 10
7 10
5 8
2 13
9 12
...

correct output
9

user output
(empty)

Test 33

Group: 1, 2, 3

Verdict:

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

correct output
15

user output
(empty)

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
(empty)

Test 37

Group: 1, 2, 3

Verdict:

input
15 15 7
1 8
6 8
1 8
11 11
...

correct output
7

user output
(empty)

Test 38

Group: 1, 2, 3

Verdict:

input
15 15 11
6 9
1 11
11 14
6 6
...

correct output
11

user output
(empty)

Test 39

Group: 1, 2, 3

Verdict:

input
15 15 10
3 11
6 11
7 9
4 10
...

correct output
10

user output
(empty)

Test 40

Group: 1, 2, 3

Verdict:

input
15 8 8
1 1
3 3
5 5
7 7
...

correct output
8

user output
0

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:

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

correct output
0

user output
3

Test 44

Group: 2, 3

Verdict:

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

correct output
0

user output
(empty)

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
(empty)

Test 47

Group: 2, 3

Verdict:

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

correct output
29

user output
(empty)

Test 48

Group: 2, 3

Verdict:

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

correct output
64

user output
(empty)

Test 49

Group: 2, 3

Verdict:

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

correct output
98

user output
(empty)

Test 50

Group: 2, 3

Verdict:

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

correct output
100

user output
(empty)

Test 51

Group: 2, 3

Verdict:

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

correct output
100

user output
(empty)

Test 52

Group: 2, 3

Verdict:

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

correct output
0

user output
(empty)

Test 53

Group: 2, 3

Verdict:

input
100 50 50
1 1
3 3
5 5
7 7
...

correct output
50

user output
17

Test 54

Group: 2, 3

Verdict:

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

correct output
6

user output
(empty)

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
(empty)

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
(empty)

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:

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

correct output
0

user output
12

Test 62

Group: 3

Verdict:

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

correct output
1

user output
(empty)

Test 63

Group: 3

Verdict:

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

correct output
4

user output
(empty)

Test 64

Group: 3

Verdict:

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

correct output
22

user output
(empty)

Test 65

Group: 3

Verdict:

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

correct output
61

user output
(empty)

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
(empty)

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
(empty)

Test 71

Group: 3

Verdict:

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

correct output
996

user output
(empty)

Test 72

Group: 3

Verdict:

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

correct output
1000

user output
(empty)

Test 73

Group: 3

Verdict:

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

correct output
1000

user output
(empty)

Test 74

Group: 3

Verdict:

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

correct output
0

user output
(empty)

Test 75

Group: 3

Verdict:

input
500 250 250
1 1
3 3
5 5
7 7
...

correct output
250

user output
140

Test 76

Group: 3

Verdict:

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

correct output
5

user output
(empty)

Test 77

Group: 3

Verdict:

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

correct output
900

user output
(empty)

Test 78

Group: 3

Verdict:

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

correct output
1000

user output
(empty)

Test 79

Group: 3

Verdict:

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

correct output
900

user output
(empty)

Test 80

Group: 3

Verdict:

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

correct output
1000

user output
(empty)

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