Submission #650114

#	Time	Username	Problem	Language	Result	Execution time	Memory
650114		dozer	Baloni (COCI15_baloni)	C++14	100 / 100	91 ms	31000 KiB

baloni

#include <bits/stdc++.h>
using namespace std;
#define fileio() freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout)
#define fastio() cin.tie(0), ios_base::sync_with_stdio(0)
#define pb push_back
#define sp " "
#define endl "\n"
#define pii pair<int, int>
#define st first
#define nd second
#define N 1000005
#define int long long

vector<int> h[N];
int arr[N];

int32_t main()
{
	fastio();

	int n;
	cin>>n;
	for (int i = 1; i <= n; i++)
		cin>>arr[i];
	for (int i = n; i >= 1; i--)
	{
		if (h[arr[i] - 1].empty())
			h[arr[i]].pb(1);
		else
		{
			int t = h[arr[i] - 1].back();
			h[arr[i] - 1].pop_back();
			h[arr[i]].pb(t + 1);
		}
	}

	int ans = 0;
	for (int i = 1; i < N; i++) ans += h[i].size();
	cout<<ans<<endl;

	cerr<<"time taken : "<<(float)clock() / CLOCKS_PER_SEC<<" seconds\n";
}

• Subtask 1: 100 / 100