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Datatähti 2019 alku

Start:2018-10-01 00:00:00
End:2018-10-15 00:00:00
 

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CSES - Datatähti 2019 alku - Results
History
2018-10-06 14:38:10100
2018-10-06 14:32:0547
2018-10-04 21:38:5847
Task:Taulukko
Sender:paavoee
Submission time:2018-10-06 14:38:10
Language:C++
Status:READY
Score:100

Feedback

groupverdictscore
#1ACCEPTED12
#2ACCEPTED35
#3ACCEPTED18
#4ACCEPTED35

Test results

testverdicttime (s)group
#1ACCEPTED0.01 / 1.001details
#2ACCEPTED0.02 / 1.001details
#3ACCEPTED0.02 / 1.001details
#4ACCEPTED0.02 / 1.001details
#5ACCEPTED0.02 / 1.001details
#6ACCEPTED0.01 / 1.001details
#7ACCEPTED0.01 / 1.001details
#8ACCEPTED0.02 / 1.001details
#9ACCEPTED0.01 / 1.001details
#10ACCEPTED0.02 / 1.001details
#11ACCEPTED0.02 / 1.001details
#12ACCEPTED0.02 / 1.001details
#13ACCEPTED0.01 / 1.001details
#14ACCEPTED0.02 / 1.001details
#15ACCEPTED0.01 / 1.002details
#16ACCEPTED0.02 / 1.002details
#17ACCEPTED0.02 / 1.002details
#18ACCEPTED0.02 / 1.002details
#19ACCEPTED0.02 / 1.002details
#20ACCEPTED0.02 / 1.002details
#21ACCEPTED0.03 / 1.002details
#22ACCEPTED0.03 / 1.002details
#23ACCEPTED0.01 / 1.002details
#24ACCEPTED0.03 / 1.002details
#25ACCEPTED0.01 / 1.002details
#26ACCEPTED0.02 / 1.002details
#27ACCEPTED0.01 / 1.002details
#28ACCEPTED0.03 / 1.002details
#29ACCEPTED0.07 / 1.003details
#30ACCEPTED0.18 / 1.003details
#31ACCEPTED0.07 / 1.003details
#32ACCEPTED0.06 / 1.003details
#33ACCEPTED0.10 / 1.003details
#34ACCEPTED0.07 / 1.003details
#35ACCEPTED0.18 / 1.003details
#36ACCEPTED0.08 / 1.003details
#37ACCEPTED0.06 / 1.004details
#38ACCEPTED0.18 / 1.004details
#39ACCEPTED0.06 / 1.004details
#40ACCEPTED0.06 / 1.004details
#41ACCEPTED0.11 / 1.004details
#42ACCEPTED0.18 / 1.004details
#43ACCEPTED0.09 / 1.004details
#44ACCEPTED0.09 / 1.004details
#45ACCEPTED0.09 / 1.004details
#46ACCEPTED0.06 / 1.004details
#47ACCEPTED0.12 / 1.004details
#48ACCEPTED0.30 / 1.004details
#49ACCEPTED0.06 / 1.004details
#50ACCEPTED0.29 / 1.004details
#51ACCEPTED0.06 / 1.004details
#52ACCEPTED0.30 / 1.004details

Code

#include <iostream>
#include <unordered_map>
#include <vector>

using namespace std;

static inline void remove(unordered_map<unsigned long, unsigned long>& seen, unsigned long l) {
	if (seen[l] > 1) seen[l]--;
	else seen.erase(l);
}

unsigned long mene(unsigned long loppu, unsigned long n, unsigned long k,
		const vector<unsigned long>& x,
		unordered_map<unsigned long, unsigned long>& seen) {
	while (loppu < n) {
		seen[x[loppu]]++;
		if (seen.size() > k) {
			remove(seen, x[loppu]);
			break;
		}
		loppu++;
	}
	return loppu;
}

inline constexpr unsigned long sum(unsigned long alku, unsigned long loppu) {
	return (loppu - alku) * (loppu - alku + 1) / 2;
}

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);

	unsigned long n, k;
	cin >> n >> k;
	vector<unsigned long> x(n);
	for (unsigned long i = 0; i < n; i++)
		cin >> x[i];

	unsigned long r = 0;
	unordered_map<unsigned long, unsigned long> seen;
	unsigned long alku = 0, loppu = 0;
	loppu = mene(loppu, n, k, x, seen);
	r += sum(alku, loppu);
	while (loppu < n) {
		while (seen.size() == k)
			remove(seen, x[alku++]);
		const unsigned long vali = loppu;
		loppu = mene(loppu, n, k, x, seen);
		r += sum(alku, loppu) - sum(alku, vali);
	}

	cout << r << '\n';
	return 0;
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
100 1
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

Verdict: ACCEPTED

input
100 1
1 1 1 1 2 2 1 1 2 2 2 2 2 1 1 ...
view   save

correct output
190
view   save

user output
190
view   save

Test 3

Group: 1

Verdict: ACCEPTED

input
100 1
5 9 9 6 9 8 1 4 7 7 8 9 5 5 6 ...
view   save

correct output
110
view   save

user output
110
view   save

Test 4

Group: 1

Verdict: ACCEPTED

input
100 2
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 5

Group: 1

Verdict: ACCEPTED

input
100 2
2 1 2 1 2 2 1 1 2 1 1 2 1 2 1 ...
view   save

correct output
5050
view   save

user output
5050
view   save

Test 6

Group: 1

Verdict: ACCEPTED

input
100 2
2 3 1 1 2 2 3 1 2 1 1 1 3 3 1 ...
view   save

correct output
379
view   save

user output
379
view   save

Test 7

Group: 1

Verdict: ACCEPTED

input
100 2
4 6 10 8 6 8 10 8 4 7 8 9 6 2 ...
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correct output
245
view   save

user output
245
view   save

Test 8

Group: 1

Verdict: ACCEPTED

input
100 5
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
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correct output
5050
view   save

user output
5050
view   save

Test 9

Group: 1

Verdict: ACCEPTED

input
100 5
4 4 2 2 4 3 3 2 3 4 3 5 3 1 5 ...
view   save

correct output
5050
view   save

user output
5050
view   save

Test 10

Group: 1

Verdict: ACCEPTED

input
100 5
5 3 4 1 1 1 1 4 5 5 4 6 6 3 3 ...
view   save

correct output
1488
view   save

user output
1488
view   save

Test 11

Group: 1

Verdict: ACCEPTED

input
100 5
10 1 1 9 1 6 9 4 3 10 9 2 4 2 ...
view   save

correct output
743
view   save

user output
743
view   save

Test 12

Group: 1

Verdict: ACCEPTED

input
100 10
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 13

Group: 1

Verdict: ACCEPTED

input
100 10
9 4 9 1 9 1 5 2 10 10 9 3 9 6 ...
view   save

correct output
5050
view   save

user output
5050
view   save

Test 14

Group: 1

Verdict: ACCEPTED

input
100 10
80 59 58 87 28 83 83 93 96 24 ...
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correct output
994
view   save

user output
994
view   save

Test 15

Group: 2

Verdict: ACCEPTED

input
5000 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
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correct output
12502500
view   save

user output
12502500
view   save

Test 16

Group: 2

Verdict: ACCEPTED

input
5000 1
2 2 2 1 2 1 1 1 2 2 1 2 1 1 1 ...
view   save

correct output
10148
view   save

user output
10148
view   save

Test 17

Group: 2

Verdict: ACCEPTED

input
5000 1
434568 634119 102509 107238 72...
view   save

correct output
5000
view   save

user output
5000
view   save

Test 18

Group: 2

Verdict: ACCEPTED

input
5000 2
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
view   save

correct output
12502500
view   save

user output
12502500
view   save

Test 19

Group: 2

Verdict: ACCEPTED

input
5000 2
2 1 1 1 2 2 2 2 1 1 1 1 2 1 2 ...
view   save

correct output
12502500
view   save

user output
12502500
view   save

Test 20

Group: 2

Verdict: ACCEPTED

input
5000 2
1 3 2 2 3 3 1 2 1 2 1 2 3 1 2 ...
view   save

correct output
22451
view   save

user output
22451
view   save

Test 21

Group: 2

Verdict: ACCEPTED

input
5000 2
132968 414421 468358 432744 43...
view   save

correct output
9999
view   save

user output
9999
view   save

Test 22

Group: 2

Verdict: ACCEPTED

input
5000 100
93 76 87 71 93 74 69 35 92 96 ...
view   save

correct output
12502500
view   save

user output
12502500
view   save

Test 23

Group: 2

Verdict: ACCEPTED

input
5000 100
2 57 51 4 35 76 5 40 51 55 20 ...
view   save

correct output
2669737
view   save

user output
2669737
view   save

Test 24

Group: 2

Verdict: ACCEPTED

input
5000 100
657 823 1773 1801 2785 4107 25...
view   save

correct output
498978
view   save

user output
498978
view   save

Test 25

Group: 2

Verdict: ACCEPTED

input
5000 4999
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
view   save

correct output
12502500
view   save

user output
12502500
view   save

Test 26

Group: 2

Verdict: ACCEPTED

input
5000 4999
865706 910619 695192 183574 92...
view   save

correct output
12502500
view   save

user output
12502500
view   save

Test 27

Group: 2

Verdict: ACCEPTED

input
5000 5000
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
view   save

correct output
12502500
view   save

user output
12502500
view   save

Test 28

Group: 2

Verdict: ACCEPTED

input
5000 5000
774752 159472 183796 654476 69...
view   save

correct output
12502500
view   save

user output
12502500
view   save

Test 29

Group: 3

Verdict: ACCEPTED

input
500000 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
view   save

correct output
125000250000
view   save

user output
125000250000
view   save

Test 30

Group: 3

Verdict: ACCEPTED

input
500000 1
28107328 613212742 298033960 7...
view   save

correct output
500000
view   save

user output
500000
view   save

Test 31

Group: 3

Verdict: ACCEPTED

input
500000 2
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
view   save

correct output
125000250000
view   save

user output
125000250000
view   save

Test 32

Group: 3

Verdict: ACCEPTED

input
500000 2
1 1 2 1 1 2 2 1 2 1 2 1 1 2 1 ...
view   save

correct output
125000250000
view   save

user output
125000250000
view   save

Test 33

Group: 3

Verdict: ACCEPTED

input
500000 2
3 2 2 3 2 2 2 1 1 2 2 3 2 3 2 ...
view   save

correct output
2245355
view   save

user output
2245355
view   save

Test 34

Group: 3

Verdict: ACCEPTED

input
500000 2
1 1 1 2 2 2 1 1 2 1 1 2 1 2 1 ...
view   save

correct output
1570486882
view   save

user output
1570486882
view   save

Test 35

Group: 3

Verdict: ACCEPTED

input
500000 2
318961563 84011941 882177798 1...
view   save

correct output
999999
view   save

user output
999999
view   save

Test 36

Group: 3

Verdict: ACCEPTED

input
500000 2
1 1 2 1 2 1 2 1 2 2 2 2 1 2 1 ...
view   save

correct output
483793169
view   save

user output
483793169
view   save

Test 37

Group: 4

Verdict: ACCEPTED

input
500000 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
view   save

correct output
125000250000
view   save

user output
125000250000
view   save

Test 38

Group: 4

Verdict: ACCEPTED

input
500000 1
709486749 350496125 796065873 ...
view   save

correct output
500000
view   save

user output
500000
view   save

Test 39

Group: 4

Verdict: ACCEPTED

input
500000 2
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
view   save

correct output
125000250000
view   save

user output
125000250000
view   save

Test 40

Group: 4

Verdict: ACCEPTED

input
500000 2
1 2 2 2 2 2 1 1 2 2 2 2 2 2 1 ...
view   save

correct output
125000250000
view   save

user output
125000250000
view   save

Test 41

Group: 4

Verdict: ACCEPTED

input
500000 2
3 3 3 3 2 1 3 2 1 3 1 2 1 1 1 ...
view   save

correct output
2255047
view   save

user output
2255047
view   save

Test 42

Group: 4

Verdict: ACCEPTED

input
500000 2
414942284 362802746 108881396 ...
view   save

correct output
999999
view   save

user output
999999
view   save

Test 43

Group: 4

Verdict: ACCEPTED

input
500000 100
59 14 100 74 49 43 91 84 31 16...
view   save

correct output
260458849
view   save

user output
260458849
view   save

Test 44

Group: 4

Verdict: ACCEPTED

input
500000 1000
505 511 86 321 780 495 106 330...
view   save

correct output
3694803834
view   save

user output
3694803834
view   save

Test 45

Group: 4

Verdict: ACCEPTED

input
500000 10000
4956 8463 8582 980 9278 1747 2...
view   save

correct output
41655235436
view   save

user output
41655235436
view   save

Test 46

Group: 4

Verdict: ACCEPTED

input
500000 100000
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
view   save

correct output
125000250000
view   save

user output
125000250000
view   save

Test 47

Group: 4

Verdict: ACCEPTED

input
500000 100000
40198 78364 3724 51802 378 130...
view   save

correct output
125000250000
view   save

user output
125000250000
view   save

Test 48

Group: 4

Verdict: ACCEPTED

input
500000 100000
320513086 811766509 339605137 ...
view   save

correct output
45001856854
view   save

user output
45001856854
view   save

Test 49

Group: 4

Verdict: ACCEPTED

input
500000 499999
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
view   save

correct output
125000250000
view   save

user output
125000250000
view   save

Test 50

Group: 4

Verdict: ACCEPTED

input
500000 499999
995132060 587162982 59723733 8...
view   save

correct output
125000250000
view   save

user output
125000250000
view   save

Test 51

Group: 4

Verdict: ACCEPTED

input
500000 500000
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
view   save

correct output
125000250000
view   save

user output
125000250000
view   save

Test 52

Group: 4

Verdict: ACCEPTED

input
500000 500000
72083718 753463162 730560260 6...
view   save

correct output
125000250000
view   save

user output
125000250000
view   save