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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 12:37:24100
Task:Omenat
Sender:juhoh
Submission time:2015-01-29 12:37:24
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
#5ACCEPTED0.05 / 2.001details
#6ACCEPTED0.06 / 2.001details
#7ACCEPTED0.06 / 2.002details
#8ACCEPTED0.05 / 2.002details
#9ACCEPTED0.05 / 2.002details
#10ACCEPTED0.06 / 2.002details
#11ACCEPTED0.06 / 2.002details
#12ACCEPTED0.04 / 2.002details
#13ACCEPTED0.09 / 2.003details
#14ACCEPTED0.10 / 2.003details
#15ACCEPTED0.09 / 2.003details
#16ACCEPTED0.12 / 2.003details
#17ACCEPTED0.09 / 2.003details
#18ACCEPTED0.11 / 2.003details

Code

#include <iostream>
#include <string>
#include <cmath>
#include <cstdio>
#include <algorithm>

using namespace std;

typedef long long int ll;

int main() {

	ios_base::sync_with_stdio(false);

	ll n;
	cin >> n;
	ll total = 0;
	ll a[3] = {0, 0, 0};

	for (ll i = 0; i < n; ++i){
		static ll temp;
		cin >> temp;
		++(a[temp%3]);
	}

	total = (a[1] + a[2] * 2);
	if (total % 3 == 0) {
		cout << n;
	} else if (total % 3 == 1) {
		if (a[1] >= 1) {
			cout << n - 1;
		} else if (a[2] >= 2) {
			cout << n - 2;
		} else {
			cout << 0;
		}
	} else {  // if (total % 3 == 2) {
		if (a[2] >= 1) {
			cout << n - 1;
		} else if (a[1] >= 2) {
			cout << n - 2;
		} else {
			cout << 0;
		}
	}

	cout << '\n';

	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