CSES - Datatähti 2015 loppu

Submission details
Task:	Omenat
Sender:	attelaut
Submission time:	2015-01-29 14:08:10 +0200
Language:	C++
Status:	READY
Result:	17

Feedback
group	verdict	score
#1	ACCEPTED	17
#2	TIME LIMIT EXCEEDED	0
#3	TIME LIMIT EXCEEDED	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.06 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	TIME LIMIT EXCEEDED	--	2	details
#8	TIME LIMIT EXCEEDED	--	2	details
#9	TIME LIMIT EXCEEDED	--	2	details
#10	TIME LIMIT EXCEEDED	--	2	details
#11	TIME LIMIT EXCEEDED	--	2	details
#12	TIME LIMIT EXCEEDED	--	2	details
#13	TIME LIMIT EXCEEDED	--	3	details
#14	TIME LIMIT EXCEEDED	--	3	details
#15	TIME LIMIT EXCEEDED	--	3	details
#16	TIME LIMIT EXCEEDED	--	3	details
#17	TIME LIMIT EXCEEDED	--	3	details
#18	TIME LIMIT EXCEEDED	--	3	details

Compiler report

input/code.cpp: In function 'long int etsi(long int, std::vector<long int>&, long int)':
input/code.cpp:10:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (long i = a; i < p.size(); i++) {
                     ^

Code

#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

long etsi(long s, vector<long> &p, long a) {
	long m = 0;

	for (long i = a; i < p.size(); i++) {
		if ((s + p[i]) % 3 == 0) {
			m = max(m, 1l);
		}

		long tulos = etsi(s + p[i], p, i + 1);

		if (tulos) {
			m = max(m, 1l + tulos);
		}
	}

	return m;
}

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

    long n;
    cin >> n;
    vector<long> p;
    long k = 0;

    for (long i = 0; i < n; i++) {
    	long o;
    	cin >> o;

    	if (o % 3 == 0) {
    		k++;
    	} else {
    		p.push_back(o);
    	}
    }

    k += etsi(0, p, 0);

    cout << k << "\n";

    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: TIME LIMIT EXCEEDED

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

correct output
`100` view save

user output
(empty)

Test 8

Group: 2

Verdict: TIME LIMIT EXCEEDED

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

correct output
`99` view save

user output
(empty)

Test 9

Group: 2

Verdict: TIME LIMIT EXCEEDED

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

correct output
`98` view save

user output
(empty)

Test 10

Group: 2

Verdict: TIME LIMIT EXCEEDED

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

correct output
`100` view save

user output
(empty)

Test 11

Group: 2

Verdict: TIME LIMIT EXCEEDED

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

correct output
`99` view save

user output
(empty)

Test 12

Group: 2

Verdict: TIME LIMIT EXCEEDED

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

correct output
`98` view save

user output
(empty)

Test 13

Group: 3

Verdict: TIME LIMIT EXCEEDED

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

correct output
`100000` view save

user output
(empty)

Test 14

Group: 3

Verdict: TIME LIMIT EXCEEDED

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

correct output
`99999` view save

user output
(empty)

Test 15

Group: 3

Verdict: TIME LIMIT EXCEEDED

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

correct output
`99998` view save

user output
(empty)

Test 16

Group: 3

Verdict: TIME LIMIT EXCEEDED

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

correct output
`100000` view save

user output
(empty)

Test 17

Group: 3

Verdict: TIME LIMIT EXCEEDED

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

correct output
`99999` view save

user output
(empty)

Test 18

Group: 3

Verdict: TIME LIMIT EXCEEDED

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

correct output
`99998` view save

user output
(empty)

Datatähti 2015 loppu

Omenat

Compiler report

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 (attelaut)