CSES - Datatähti 2015 loppu - Results
Submission details
Task:Omenat
Sender:juusohe
Submission time:2015-01-29 12:50:00 +0200
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.05 s1details
#20.06 s1details
#3ACCEPTED0.06 s1details
#40.06 s1details
#50.06 s1details
#6ACCEPTED0.06 s1details
#70.07 s2details
#8ACCEPTED0.07 s2details
#90.06 s2details
#100.06 s2details
#11ACCEPTED0.05 s2details
#120.06 s2details
#130.11 s3details
#140.11 s3details
#150.10 s3details
#16ACCEPTED0.11 s3details
#17ACCEPTED0.10 s3details
#18ACCEPTED0.10 s3details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:19:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld", &syote);
                        ^

Code

#include <stdio.h>
#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

int main() {
	
	cin.sync_with_stdio(false);
	
	long long maara = 0;
	vector<long long> omenat;
	
	cin >> maara;
	
	for (long long i = 0; i < maara; i++) {
		long long syote;
		scanf("%lld", &syote);
		omenat.push_back(syote);
	}
	
	vector<long long> jakojaannokset;
	
	for (long long i = 0; i < maara; i++) {
		jakojaannokset.push_back(omenat[i] % 3);
	}
	
	long long nollat = count(jakojaannokset.begin(), jakojaannokset.end(), 0);
	long long ykkoset = count(jakojaannokset.begin(), jakojaannokset.end(), 1);
	long long kakkoset = count(jakojaannokset.begin(), jakojaannokset.end(), 2);
	
	
	while (ykkoset >= 3) {
		nollat += 3;
		ykkoset -= 3;
	}
	
	while (kakkoset >= 3) {
		nollat += 3;
		kakkoset -= 3;
	}
	
	while (kakkoset > 0 && ykkoset > 0) {
		nollat += 2;
		ykkoset--;
		kakkoset--;
	}
	
	//cout << "modulo 0: " << nollat << "\n";
	//cout << "modulo 1: " << ykkoset << "\n";
	//cout << "modulo 2: " << kakkoset << "\n";
	
	cout << nollat << '\n';
	
}

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
18

Test 2

Group: 1

Verdict:

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

correct output
19

user output
18

Test 3

Group: 1

Verdict: ACCEPTED

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

correct output
18

user output
18

Test 4

Group: 1

Verdict:

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

correct output
20

user output
18

Test 5

Group: 1

Verdict:

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

correct output
19

user output
18

Test 6

Group: 1

Verdict: ACCEPTED

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

correct output
18

user output
18

Test 7

Group: 2

Verdict:

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

correct output
100

user output
99

Test 8

Group: 2

Verdict: ACCEPTED

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

correct output
99

user output
99

Test 9

Group: 2

Verdict:

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

correct output
98

user output
99

Test 10

Group: 2

Verdict:

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

correct output
100

user output
99

Test 11

Group: 2

Verdict: ACCEPTED

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

correct output
99

user output
99

Test 12

Group: 2

Verdict:

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

correct output
98

user output
99

Test 13

Group: 3

Verdict:

input
100000
460655049 593289072 315159623 ...

correct output
100000

user output
99999

Test 14

Group: 3

Verdict:

input
100000
935436362 204516709 337519402 ...

correct output
99999

user output
100000

Test 15

Group: 3

Verdict:

input
100000
68654915 40061376 215300034 43...

correct output
99998

user output
99999

Test 16

Group: 3

Verdict: ACCEPTED

input
100000
435410962 22254303 500625758 6...

correct output
100000

user output
100000

Test 17

Group: 3

Verdict: ACCEPTED

input
100000
230562634 84329865 874955526 8...

correct output
99999

user output
99999

Test 18

Group: 3

Verdict: ACCEPTED

input
100000
29734968 168066517 710394372 3...

correct output
99998

user output
99998