CSES - Datatähti 2015 loppu

Submission details
Task:	Omenat
Sender:	Petzku
Submission time:	2015-01-29 13:16:30 +0200
Language:	C++
Status:	READY
Result:	100

Feedback
group	verdict	score
#1	ACCEPTED	17
#2	ACCEPTED	30
#3	ACCEPTED	53

Test results
test	verdict	time	group
#1	ACCEPTED	0.05 s	1	details
#2	ACCEPTED	0.06 s	1	details
#3	ACCEPTED	0.06 s	1	details
#4	ACCEPTED	0.06 s	1	details
#5	ACCEPTED	0.06 s	1	details
#6	ACCEPTED	0.06 s	1	details
#7	ACCEPTED	0.07 s	2	details
#8	ACCEPTED	0.07 s	2	details
#9	ACCEPTED	0.06 s	2	details
#10	ACCEPTED	0.06 s	2	details
#11	ACCEPTED	0.06 s	2	details
#12	ACCEPTED	0.07 s	2	details
#13	ACCEPTED	0.09 s	3	details
#14	ACCEPTED	0.09 s	3	details
#15	ACCEPTED	0.10 s	3	details
#16	ACCEPTED	0.09 s	3	details
#17	ACCEPTED	0.09 s	3	details
#18	ACCEPTED	0.10 s	3	details

Code

#include <iostream>

using namespace std;

int main () {
	cin.sync_with_stdio(false);
	int n;
	int ps[2] = {0,0};
	int monta = 0;

	cin >> n;
	for (;n>0;--n) {
		int a;
		cin >> a;
		if (a%3==0) ++monta;
		else ++ps[a%3-1];
	}
	monta += 3 * (ps[0]/3);
	monta += 3 * (ps[1]/3);
	while (ps[0]%3 > 0 && ps[1]%3 > 0) {
		--ps[0]; --ps[1];
		monta += 2;
	}

	cout << monta << endl;
	return 0;
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
`20 34 98 42 72 75 91 76 30 98 7 1...` view save

correct output
`20` view save

user output
`20` view save

Test 2

Group: 1

Verdict: ACCEPTED

input
`20 20 97 85 24 47 57 69 92 21 72 ...` view save

correct output
`19` view save

user output
`19` view save

Test 3

Group: 1

Verdict: ACCEPTED

input
`20 36 35 3 15 84 14 24 33 39 27 7...` view save

correct output
`18` view save

user output
`18` view save

Test 4

Group: 1

Verdict: ACCEPTED

input
`20 75 87 27 66 14 48 34 1 52 47 7...` view save

correct output
`20` view save

user output
`20` view save

Test 5

Group: 1

Verdict: ACCEPTED

input
`20 83 7 54 38 21 51 61 61 14 32 3...` view save

correct output
`19` view save

user output
`19` view save

Test 6

Group: 1

Verdict: ACCEPTED

input
`20 76 24 28 45 36 87 81 21 48 43 ...` view save

correct output
`18` view save

user output
`18` view save

Test 7

Group: 2

Verdict: ACCEPTED

input
`100 9 48 27 13 12 23 23 35 14 58 2...` view save

correct output
`100` view save

user output
`100` view save

Test 8

Group: 2

Verdict: ACCEPTED

input
`100 22 87 66 23 77 17 41 66 31 40 ...` view save

correct output
`99` view save

user output
`99` view save

Test 9

Group: 2

Verdict: ACCEPTED

input
`100 90 50 48 47 20 93 36 48 69 2 6...` view save

correct output
`98` view save

user output
`98` view save

Test 10

Group: 2

Verdict: ACCEPTED

input
`100 88 39 9 21 51 92 94 75 71 19 8...` view save

correct output
`100` view save

user output
`100` view save

Test 11

Group: 2

Verdict: ACCEPTED

input
`100 76 37 49 50 59 68 6 100 48 18 ...` view save

correct output
`99` view save

user output
`99` view save

Test 12

Group: 2

Verdict: ACCEPTED

input
`100 78 45 100 25 90 85 33 90 45 54...` view save

correct output
`98` view save

user output
`98` view save

Test 13

Group: 3

Verdict: ACCEPTED

input
`100000 460655049 593289072 315159623 ...` view save

correct output
`100000` view save

user output
`100000` view save

Test 14

Group: 3

Verdict: ACCEPTED

input
`100000 935436362 204516709 337519402 ...` view save

correct output
`99999` view save

user output
`99999` view save

Test 15

Group: 3

Verdict: ACCEPTED

input
`100000 68654915 40061376 215300034 43...` view save

correct output
`99998` view save

user output
`99998` view save

Test 16

Group: 3

Verdict: ACCEPTED

input
`100000 435410962 22254303 500625758 6...` view save

correct output
`100000` view save

user output
`100000` view save

Test 17

Group: 3

Verdict: ACCEPTED

input
`100000 230562634 84329865 874955526 8...` view save

correct output
`99999` view save

user output
`99999` view save

Test 18

Group: 3

Verdict: ACCEPTED

input
`100000 29734968 168066517 710394372 3...` view save

correct output
`99998` view save

user output
`99998` view save

Datatähti 2015 loppu

Omenat

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Tasks

Submissions (Petzku)