Submission #858379

#	Time	Username	Problem	Language	Result	Execution time	Memory
858379		votranngocvy	Baloni (COCI15_baloni)	C++14	100 / 100	43 ms	452 KiB

baloni

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

const int N = 1e6 + 5;
int cnt[N];

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n;
    cin >> n;
    int ans = 0;
    for (int i = 1; i <= n; i++) {
        int x;
        cin >> x;
        if (cnt[x + 1]) cnt[x + 1]--;
        else ans++;
        cnt[x]++;
    }
    cout << ans << "\n";
}  

• Subtask 1: 100 / 100