CSES - Datatähti 2015 loppu - Results
Submission details
Task:Omenat
Sender:Ollie
Submission time:2015-01-29 12:33:10 +0200
Language:C++
Status:READY
Result:17
Feedback
groupverdictscore
#1ACCEPTED17
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.10 s1details
#2ACCEPTED0.09 s1details
#3ACCEPTED0.10 s1details
#4ACCEPTED0.10 s1details
#5ACCEPTED0.10 s1details
#6ACCEPTED0.09 s1details
#7--2details
#8--2details
#9--2details
#10--2details
#11--2details
#12--2details
#13--3details
#14--3details
#15--3details
#16--3details
#17--3details
#18--3details

Code

#include <bits/stdc++.h>

#define ll long long
#define mp make_pair
#define pb push_back
#define pii pair<int,int>
#define vpii vector<pii>
#define vi vector<int>

using namespace std; 

vi a;
int n;

int br(int s, int i, int c) {
	//cout << s << ", " << i << ", " << c << endl;
	//if(s%3!=0) return -1; 
	if(i>n) return (s%3)?0:(c-1);
	int g = br(s+a[i],i+1,c+1);
	int f = br(s,i+1,c);
	return max(g,f);
}

int main() {
	cin.tie(0);
	
	cin >> n;
	for(int i=0;i<n;i++) {
		int p; cin >> p;
		a.pb(p);
	}
	cout << br(0, 0, 0);
	
	return 0;
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

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

correct output
20

user output
20

Test 2

Group: 1

Verdict: ACCEPTED

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

correct output
19

user output
19

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: ACCEPTED

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

correct output
20

user output
20

Test 5

Group: 1

Verdict: ACCEPTED

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

correct output
19

user output
19

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
(empty)

Test 8

Group: 2

Verdict:

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

correct output
99

user output
(empty)

Test 9

Group: 2

Verdict:

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

correct output
98

user output
(empty)

Test 10

Group: 2

Verdict:

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

correct output
100

user output
(empty)

Test 11

Group: 2

Verdict:

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

correct output
99

user output
(empty)

Test 12

Group: 2

Verdict:

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

correct output
98

user output
(empty)

Test 13

Group: 3

Verdict:

input
100000
460655049 593289072 315159623 ...

correct output
100000

user output
(empty)

Test 14

Group: 3

Verdict:

input
100000
935436362 204516709 337519402 ...

correct output
99999

user output
(empty)

Test 15

Group: 3

Verdict:

input
100000
68654915 40061376 215300034 43...

correct output
99998

user output
(empty)

Test 16

Group: 3

Verdict:

input
100000
435410962 22254303 500625758 6...

correct output
100000

user output
(empty)

Test 17

Group: 3

Verdict:

input
100000
230562634 84329865 874955526 8...

correct output
99999

user output
(empty)

Test 18

Group: 3

Verdict:

input
100000
29734968 168066517 710394372 3...

correct output
99998

user output
(empty)