CSES - Leirikisa 9.12.2021 - Results
Submission details
Task:Omenat
Sender:motsgar
Submission time:2021-12-09 13:15:09 +0200
Language:C++ (C++17)
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED17
#2ACCEPTED30
#3ACCEPTED53
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1details
#2ACCEPTED0.01 s1details
#3ACCEPTED0.01 s1details
#4ACCEPTED0.01 s1details
#5ACCEPTED0.01 s1details
#6ACCEPTED0.01 s1details
#7ACCEPTED0.01 s2details
#8ACCEPTED0.01 s2details
#9ACCEPTED0.01 s2details
#10ACCEPTED0.01 s2details
#11ACCEPTED0.01 s2details
#12ACCEPTED0.01 s2details
#13ACCEPTED0.03 s3details
#14ACCEPTED0.03 s3details
#15ACCEPTED0.04 s3details
#16ACCEPTED0.03 s3details
#17ACCEPTED0.04 s3details
#18ACCEPTED0.03 s3details

Code

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

int main(int argc, char **argv)
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int n;
    cin >> n;
    vector<ll> v(n);
    int ai = 0, bi = 0, ci = 0;
    ll t = 0;

    for (int i = 0; i < n; i++) {
        ll e;
        cin >> e;
        v[i] = e;
        t += e;
        int m = e%3;
        if (m == 0)
        {
            ai++;
        }
        else if (m == 1)
        {
            bi++;
        } else
        {
            ci++;
        }

    }
    sort(v.begin(), v.end());
    

    int m = t%3;

    if (m == 0)
    {
        
    }
    else if (m == 1)
    {
        if (bi > 0)
        {
            n--;
        } else if (ci > 1) {
            n -= 2;
        }
    } else
    {
        if (ci > 0) {
            n --;
        } else
        if (bi > 1)
        {
            n -= 2;
        }
    }

    



    cout << n << "\n";
}

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: 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: ACCEPTED

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

correct output
99

user output
99

Test 9

Group: 2

Verdict: ACCEPTED

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

correct output
98

user output
98

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: ACCEPTED

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

correct output
99

user output
99

Test 12

Group: 2

Verdict: ACCEPTED

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

correct output
98

user output
98

Test 13

Group: 3

Verdict: ACCEPTED

input
100000
460655049 593289072 315159623 ...

correct output
100000

user output
100000

Test 14

Group: 3

Verdict: ACCEPTED

input
100000
935436362 204516709 337519402 ...

correct output
99999

user output
99999

Test 15

Group: 3

Verdict: ACCEPTED

input
100000
68654915 40061376 215300034 43...

correct output
99998

user output
99998

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