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Datatähti 2015 loppu

Start:2015-01-29 12:15:00
End:2015-01-29 17:15:00
 

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CSES - Datatähti 2015 loppu - Results
History
2015-01-29 13:28:35100
2015-01-29 13:26:210
2015-01-29 13:24:180
2015-01-29 13:22:120
2015-01-29 13:21:110
Task:Omenat
Sender:Scintillo
Submission time:2015-01-29 13:28:35
Language:C++
Status:READY
Score:100

Feedback

groupverdictscore
#1ACCEPTED17
#2ACCEPTED30
#3ACCEPTED53

Test results

testverdicttime (s)group
#1ACCEPTED0.06 / 2.001details
#2ACCEPTED0.05 / 2.001details
#3ACCEPTED0.06 / 2.001details
#4ACCEPTED0.06 / 2.001details
#5ACCEPTED0.06 / 2.001details
#6ACCEPTED0.08 / 2.001details
#7ACCEPTED0.06 / 2.002details
#8ACCEPTED0.06 / 2.002details
#9ACCEPTED0.07 / 2.002details
#10ACCEPTED0.06 / 2.002details
#11ACCEPTED0.06 / 2.002details
#12ACCEPTED0.05 / 2.002details
#13ACCEPTED0.09 / 2.003details
#14ACCEPTED0.09 / 2.003details
#15ACCEPTED0.09 / 2.003details
#16ACCEPTED0.08 / 2.003details
#17ACCEPTED0.09 / 2.003details
#18ACCEPTED0.09 / 2.003details

Code

#include <iostream>
#include <cstdint>
#include <algorithm>

using namespace std;

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

	int64_t nolla = 0;
	int64_t yksi = 0;
	int64_t kaksi = 0;

	int64_t n;
	cin >> n;

	for(int64_t i = 0; i < n; i++)
	{
		int64_t p;
		cin >> p;

		int64_t m = p % 3;

		if(m == 0)
		{
			nolla++;
		}
		else if(m == 1)
		{
			yksi++;
		}
		else if(m == 2)
		{
			kaksi++;
		}
	}

	int64_t paras = 0;

	for(int64_t i = kaksi; i >= max(kaksi - 3, (int64_t) 0); i--)
	{
		int64_t tulos = i + nolla;
		int64_t jaannos = (i * 2) % 3;

		int64_t lisayksi = yksi / 3 * 3;
		int64_t jalelyksi = yksi - lisayksi;

		int64_t tarviyksi = (3 - jaannos) % 3;

		if(tarviyksi > jalelyksi)
		{
			jalelyksi += 3;
			lisayksi -= 3;
		}

		tulos += lisayksi + tarviyksi;

		if(lisayksi >= 0 && tulos > paras)
			paras = tulos;
	}

	cout << paras << endl;

	return 0;
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
20
34 98 42 72 75 91 76 30 98 7 1...
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correct output
20

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user output
20

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Test 2

Group: 1

Verdict: ACCEPTED

input
20
20 97 85 24 47 57 69 92 21 72 ...
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correct output
19

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user output
19

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Test 3

Group: 1

Verdict: ACCEPTED

input
20
36 35 3 15 84 14 24 33 39 27 7...
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correct output
18

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user output
18

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Test 4

Group: 1

Verdict: ACCEPTED

input
20
75 87 27 66 14 48 34 1 52 47 7...
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correct output
20

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user output
20

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Test 5

Group: 1

Verdict: ACCEPTED

input
20
83 7 54 38 21 51 61 61 14 32 3...
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correct output
19

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user output
19

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Test 6

Group: 1

Verdict: ACCEPTED

input
20
76 24 28 45 36 87 81 21 48 43 ...
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correct output
18

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user output
18

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Test 7

Group: 2

Verdict: ACCEPTED

input
100
9 48 27 13 12 23 23 35 14 58 2...
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correct output
100

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user output
100

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Test 8

Group: 2

Verdict: ACCEPTED

input
100
22 87 66 23 77 17 41 66 31 40 ...
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correct output
99

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user output
99

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Test 9

Group: 2

Verdict: ACCEPTED

input
100
90 50 48 47 20 93 36 48 69 2 6...
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correct output
98

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user output
98

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Test 10

Group: 2

Verdict: ACCEPTED

input
100
88 39 9 21 51 92 94 75 71 19 8...
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correct output
100

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user output
100

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Test 11

Group: 2

Verdict: ACCEPTED

input
100
76 37 49 50 59 68 6 100 48 18 ...
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correct output
99

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user output
99

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Test 12

Group: 2

Verdict: ACCEPTED

input
100
78 45 100 25 90 85 33 90 45 54...
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correct output
98

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user output
98

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Test 13

Group: 3

Verdict: ACCEPTED

input
100000
460655049 593289072 315159623 ...
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correct output
100000

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user output
100000

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Test 14

Group: 3

Verdict: ACCEPTED

input
100000
935436362 204516709 337519402 ...
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correct output
99999

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user output
99999

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Test 15

Group: 3

Verdict: ACCEPTED

input
100000
68654915 40061376 215300034 43...
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correct output
99998

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user output
99998

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Test 16

Group: 3

Verdict: ACCEPTED

input
100000
435410962 22254303 500625758 6...
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correct output
100000

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user output
100000

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Test 17

Group: 3

Verdict: ACCEPTED

input
100000
230562634 84329865 874955526 8...
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correct output
99999

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user output
99999

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Test 18

Group: 3

Verdict: ACCEPTED

input
100000
29734968 168066517 710394372 3...
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correct output
99998

view   save

user output
99998

view   save