CSES - Datatähti 2015 loppu - Results
 Task: Omenat Sender: Pietu1998 Submission time: 2015-01-29 17:07:34 Language: C++ Status: READY Result: 0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.05 s1details
#2--1details
#3--1details
#4ACCEPTED0.06 s1details
#5--1details
#6--1details
#7ACCEPTED0.07 s2details
#8--2details
#9--2details
#10ACCEPTED0.05 s2details
#11--2details
#12--2details
#13ACCEPTED0.12 s3details
#14--3details
#15--3details
#16ACCEPTED0.12 s3details
#17--3details
#18--3details

### Code

```#include <iostream>
#include <list>

using namespace std;

bool haku(list<int> z, long s) {
if (s % 3 == 0) return true;
if (z.empty()) return false;
int a = z.back();
z.pop_back();
if (haku(z, s + a)) return true;
if (haku(z, s)) {
z.push_back(a);
return true;
}
z.push_back(a);
return false;
}

int main() {
cin.sync_with_stdio(false);
int n, i;
cin >> n;
list<int> o = list<int>();
int m = 0, s;
for (i = 0; i < n; i++) {
cin >> s;
if (s % 3 == 0)
m++;
else
o.push_back(s);
}
list<int>::iterator a ,b;
list<int> z = list<int>();
a = o.begin();
b = o.end();
long j = 0;
int k = 0;
while (a != b) {
int q = *a;
j += q;
k++;
if (j % 3 == 0) {
m += k;
j = k = 0;
z.clear();
} else z.push_back(q);
a++;
}
while (!z.empty() && haku(z, 0)) {
m++;
}
cout << m;
}```

### 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:

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

correct output
19

user output
(empty)

#### Test 3

Group: 1

Verdict:

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

correct output
18

user output
(empty)

#### 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:

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

correct output
19

user output
(empty)

#### Test 6

Group: 1

Verdict:

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

correct output
18

user output
(empty)

#### Test 7

Group: 2

Verdict: ACCEPTED

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

correct output
100

user output
100

#### 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: ACCEPTED

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

correct output
100

user output
100

#### 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: ACCEPTED

input
100000
460655049 593289072 315159623 ...

correct output
100000

user output
100000

#### 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: ACCEPTED

input
100000
435410962 22254303 500625758 6...

correct output
100000

user output
100000

#### 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)