Submission #165229

#	Time	Username	Problem	Language	Result	Execution time	Memory
165229		Atill83	Baloni (COCI15_baloni)	C++14	100 / 100	334 ms	3960 KiB

baloni

#include <bits/stdc++.h>
#define ff first
#define ss second
#define endl '\n'
using namespace std;
const long long INF = (long long) 1e18;
const int mod = (int) 1e9+7;
const int MAXN = (int) 1e6+5;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
ll n;
int h[MAXN];

multiset<int> st;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);cout.tie(nullptr);

    #ifdef Local
        freopen("../IO/int.txt","r",stdin);
        freopen("../IO/out.txt","w",stdout);
    #endif

    cin>>n;
    int ans = n;
    for(int i = 0; i < n; i++){
        cin>>h[i];
    }

    for(int i = 0; i < n; i++){
        auto a = st.lower_bound(h[i] + 1);
        if(a != st.end() && (*a) == h[i] + 1){
            st.erase(a);
            ans--;
        }
        st.insert(h[i]);
    }
    cout<<ans<<endl;
    #ifdef Local
        cout<<endl<<fixed<<setprecision(2)<<1000.0 * clock() / CLOCKS_PER_SEC<< " milliseconds ";
    #endif
}

• Subtask 1: 100 / 100