CSES - Datatähti 2015 loppu - Results
Submission details
Task:Omenat
Sender:Petzku
Submission time:2015-01-29 13:01:31 +0200
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.05 s1details
#20.07 s1details
#30.05 s1details
#40.07 s1details
#50.07 s1details
#60.06 s1details
#70.06 s2details
#80.05 s2details
#90.06 s2details
#100.06 s2details
#110.06 s2details
#120.06 s2details
#130.10 s3details
#140.10 s3details
#150.09 s3details
#160.09 s3details
#170.09 s3details
#180.09 s3details

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 += ps[0]/3;
	monta += 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:

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

correct output
20

user output
12

Test 2

Group: 1

Verdict:

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

correct output
19

user output
15

Test 3

Group: 1

Verdict:

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

correct output
18

user output
14

Test 4

Group: 1

Verdict:

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

correct output
20

user output
14

Test 5

Group: 1

Verdict:

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

correct output
19

user output
9

Test 6

Group: 1

Verdict:

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

correct output
18

user output
14

Test 7

Group: 2

Verdict:

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

correct output
100

user output
62

Test 8

Group: 2

Verdict:

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

correct output
99

user output
57

Test 9

Group: 2

Verdict:

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

correct output
98

user output
68

Test 10

Group: 2

Verdict:

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

correct output
100

user output
54

Test 11

Group: 2

Verdict:

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

correct output
99

user output
55

Test 12

Group: 2

Verdict:

input
100
78 45 100 25 90 85 33 90 45 54...

correct output
98

user output
68

Test 13

Group: 3

Verdict:

input
100000
460655049 593289072 315159623 ...

correct output
100000

user output
55578

Test 14

Group: 3

Verdict:

input
100000
935436362 204516709 337519402 ...

correct output
99999

user output
55579

Test 15

Group: 3

Verdict:

input
100000
68654915 40061376 215300034 43...

correct output
99998

user output
66744

Test 16

Group: 3

Verdict:

input
100000
435410962 22254303 500625758 6...

correct output
100000

user output
55338

Test 17

Group: 3

Verdict:

input
100000
230562634 84329865 874955526 8...

correct output
99999

user output
55531

Test 18

Group: 3

Verdict:

input
100000
29734968 168066517 710394372 3...

correct output
99998

user output
66602