Submission #1679535

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Source Code Expand

#include<bits/stdc++.h>

using namespace std;

map<int, bool> mp;

int main()
{
    int n;
    cin >> n;
    int m = 0;
    int x;
    for(int i = 0; i < n; i++){
        cin >> x;
        if(!mp[x]){
            m++;
        }
        mp[x] = 1;
    }
    if(m % 2 == 1){
        cout << m;
    }
    else{
        cout << m - 1;
    }
}

Submission Info

Judge Result