Submission #518622

#	Time	Username	Problem	Language	Result	Execution time	Memory
518622		sudheerays123	Global Warming (NOI13_gw)	C++98	40 / 40	203 ms	16176 KiB

gw

#include <bits/stdc++.h>
using namespace std;
#define fast ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define ll long long int
#define tc ll test;cin >> test;while(test--)
#define vi vector<ll>
#define pll pair<ll,ll>
#define pb push_back
#define mp make_pair
#define INF 1e18
#define MOD 1000000007
#define ff first
#define ss second
#define in >>
#define out <<
#define space << " " <<
#define spacef << " "
#define fo(i,a,b) for(ll i = a; i <= b; i++)
#define rfo(i,a,b) for(ll i = a; i >= b; i--)
#define nextline out "\n"
#define print(x) for(auto i : x ) cout out i spacef
#define mmax(x,i) x = max(x,i)
#define mmin(x,i) x = min(x,i)
#define N 105

int main() {
    
    fast;

	ll n;
	cin in n;

	vector<pll> h(n+5);
	fo(i,1,n){
		cin in h[i].first;
		h[i].second = i;
	}

	ll ans = -INF;

	ll island = 0;
	vector<bool> added(n+5,false);

	sort(h.rbegin(),h.rend());

	for(ll i = 0; i < n;){

		ll x = h[i].first;

		while(h[i].first == x && i < n){
		
			added[h[i].second] = true;

			if(added[h[i].second-1] == added[h[i].second+1]){
				if(added[h[i].second-1] == false) island++;
				else island--;
			}

			i++;
		}

		mmax(ans,island);

	}

	cout out ans;

    return 0;
}

• Subtask 1: 6 / 6
• Subtask 2: 6 / 6
• Subtask 3: 7 / 7
• Subtask 4: 10 / 10
• Subtask 5: 11 / 11