Submission #827403

#TimeUsernameProblemLanguageResultExecution timeMemory
827403AlphaMale06Baloni (COCI15_baloni)C++14
100 / 100
41 ms340 KiB
#include <bits/stdc++.h>
using namespace std;
int cnt[1000003];
int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);
    int n; cin >> n;
    int ans=n;
    for(int i=0; i< n; ++i){
        int a;
        cin >> a;
        if(cnt[a+1]){
            cnt[a+1]--;
            ans--;
        }
        cnt[a]++;
    }
    cout << ans << '\n';
}
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