Submission #1112547

#TimeUsernameProblemLanguageResultExecution timeMemory
1112547vjudge1Baloni (COCI15_baloni)C++17
100 / 100
240 ms592 KiB
#include <bits/stdc++.h>
#define int long long

using namespace std;

int32_t main(){
	int n;
	cin>>n;
	int ans=n;
	map<int,int> cikti;
	for(int i=0; i<n; i++){
		int x;
		cin>>x;
		if(cikti[x]){
			ans--;
			cikti[x]--;
			cikti[x-1]++;
		}else{
			cikti[x-1]++;
		}
	}
	cout<<ans<<"\n";
}
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