Submission #506104

#	Time	Username	Problem	Language	Result	Execution time	Memory
506104		MurotY	Baloni (COCI15_baloni)	C++14	100 / 100	330 ms	480 KiB

baloni

#include<bits/stdc++.h>
#define ios ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define ll long long 
#define ff first
#define ss second
using namespace std;
const int N=1e6+7;
ll a[N];
int main()
{
	ll n , ans=0;
	cin >> n;
	map <ll,ll> mp;
	for (int i=1;i<=n;i++){
		int x;
		cin >> x;
		if (mp[x] == 0) ans++, mp[x-1]++;
		else mp[x]--, mp[x-1]++;
	}
	cout << ans;
}

• Subtask 1: 100 / 100