Omenat

input/code.cpp: In function 'int main(int, char**)':
input/code.cpp:25:9: warning: unused variable 'mi' [-Wunused-variable]
     int mi = 1000;
         ^

/* 
 * File:   main.cpp
 * Author: piekask
 *
 * Created on 29. tammikuuta 2015, 10:53
 */

#include <bits/stdc++.h>

using namespace std;

/*
 * 
 */
int main(int argc, char** argv) {
    cin.sync_with_stdio(0);
    cin.tie(0);
    int n; cin >> n;
    int p[100000];
    long long sum = 0;
    for(int i = 0; i < n; i++){
        cin >> p[i];
        sum+=p[i];
    }
    int mi = 1000;
    if(sum%3==0){
        cout << n << endl;
        return 0;
    }
    else if(sum%3==1){
        for(int i = 0; i < n; i++){
            if(p[i]%3==1){
                cout << n-1 << endl;
                return 0;
            }
        }
        
    }
    else if(sum%3==2){
        for(int i = 0; i < n; i++){
            if(p[i]%3==2){
                cout << n-1 << endl;
                return 0;
            }
        }
    }
    cout << max(n-2, 0) << endl;
    return 0;
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 1

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: ACCEPTED

Test 9

Group: 2

Verdict: ACCEPTED

Test 10

Group: 2

Verdict: ACCEPTED

Test 11

Group: 2

Verdict: ACCEPTED

Test 12

Group: 2

Verdict: ACCEPTED

Test 13

Group: 3

Verdict: ACCEPTED

Test 14

Group: 3

Verdict: ACCEPTED

Test 15

Group: 3

Verdict: ACCEPTED

Test 16

Group: 3

Verdict: ACCEPTED

Test 17

Group: 3

Verdict: ACCEPTED

Test 18

Group: 3

Verdict: ACCEPTED