CSES - Leirikisa 9.12.2021 - Results
Submission details
Task:Omenat
Sender:lain
Submission time:2021-12-09 15:16:24 +0200
Language:C++ (C++17)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1details
#2ACCEPTED0.01 s1details
#30.01 s1details
#4ACCEPTED0.01 s1details
#5ACCEPTED0.01 s1details
#6ACCEPTED0.01 s1details
#7ACCEPTED0.01 s2details
#8ACCEPTED0.01 s2details
#90.01 s2details
#10ACCEPTED0.01 s2details
#11ACCEPTED0.01 s2details
#12ACCEPTED0.01 s2details
#13ACCEPTED0.05 s3details
#14ACCEPTED0.05 s3details
#150.05 s3details
#16ACCEPTED0.05 s3details
#17ACCEPTED0.05 s3details
#18ACCEPTED0.05 s3details

Code

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

int main() {
  ll n;
  cin >> n;

  ll mods[3];
  mods[0]=mods[1]=mods[2] = 0;
  ll sum = 0;
  for (int i = 0; i < n; ++i) {
    int t;
    cin >> t;
    sum += t;
    mods[t%3]++;
  }

  if (sum % 3 == 0) {
    cout << mods[0] + mods[1] + mods[2];
  } else if (sum % 3 == 1) {
    cout << mods[0] + (mods[1]-1) + mods[2];
  } else if (sum % 3 == 2) {
    if (mods[2] != 0) {
      cout << mods[0] + mods[1] + (mods[2] - 1);
    } else {
      cout << mods[0] + (mods[1] - 2) + mods[2];
    }
  }
}

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:

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

correct output
18

user output
19

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:

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

correct output
98

user output
99

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:

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