Submission #960231

#	Time	Username	Problem	Language	Result	Execution time	Memory
960231		ezzzay	Baloni (COCI15_baloni)	C++14	100 / 100	261 ms	13136 KiB

baloni

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ff first
#define ss second
#define pb push_back
const int N=2e6+5;
int a[N];
bool vis[N];
signed main(){
	int n;
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>a[i];
	}
	int p=0;
	map<int,int>mp;
	for(int i=1;i<=n;i++){
		if(mp[a[i]+1]==0){
			p++;
			mp[a[i]]++;
		}
		else{
			mp[a[i]+1]--;
			mp[a[i]]++;
		}
	}
	cout<<p;
}

• Subtask 1: 100 / 100