Submission #713837

#TimeUsernameProblemLanguageResultExecution timeMemory
713837ALTAKEXEBaloni (COCI15_baloni)C++14
70 / 100
345 ms3876 KiB
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main() {
	//freopen("input.txt","r",stdin);
	ll n; cin >> n;
    int a[n];
    for (int i = 1;i <= n;i++) cin >> a[i];
    ll ans = 0;
    multiset<ll> st;
    for (int i = 1;i <= n;i++) {
        auto to = st.find(a[i] + 1);
        if (to == st.end()) {
            ans++;
        } else {
            st.erase(to);
        }
        st.insert(a[i]);
    }
    cout << ans;
    return 0;
}
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