Submission #6976582

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Source Code Expand

#include <stdlib.h>
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)

int main() {
    int n;
    cin>>n;
    vector<int> vec(n);
    rep(i,n){
        cin>>vec.at(i);
    }
    int count=1;
    sort(vec.begin(),vec.end());
    if(n==1){
        cout<<count<<endl;
    }
    else{ 
        for(int i=0;i<n-1;i++){
            if(vec.at(i)!=vec.at(i+1)){
                count++;
            }
        }
    cout<<count<<endl;
    }
}

Submission Info

Judge Result