Submission #827304

#	Time	Username	Problem	Language	Result	Execution time	Memory
827304		OAleksa	Baloni (COCI15_baloni)	C++14	100 / 100	64 ms	18528 KiB

baloni

#include <bits/stdc++.h>
#define f first
#define s second
using namespace std; 
#define int long long
const int maxn = 1e6 + 69;
vector<int> cnt(maxn);

signed main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	int tt = 1;
	//cin >> tt;
	while(tt--) {
		int n;
		cin >> n;
		vector<int> a(n);
		for(int i = 0;i < n;i++)
			cin >> a[i];
		int ans = 0;
		for(int i = 0;i < n;i++) {
			if(!cnt[a[i]])
				++ans;
			else 
				--cnt[a[i]];
			++cnt[a[i] - 1];
		}
		cout << ans;
	}
   return 0;
}

• Subtask 1: 100 / 100