Submission #366073

#	Time	Username	Problem	Language	Result	Execution time	Memory
366073		mahmoudbadawy	Money (IZhO17_money)	C++17	100 / 100	1301 ms	58348 KiB

money

#include <bits/stdc++.h>

using namespace std;

const int N=1e6+6;

set<int> ss;
vector<int> v;
int n;
int arr[N];

int main()
{
	scanf("%d",&n);
	for(int i=0;i<n;i++)
		scanf("%d",&arr[i]);
	ss.insert((1<<30));
	v.push_back(arr[0]);
	int ans=1;
	for(int i=1;i<n;i++)
	{
		if(arr[i]<v.back() || arr[i]>(*ss.upper_bound(v[0])))
		{
			//cout << arr[i] << " " << v.back() << " " << (*ss.lower_bound(arr[i])) << " " << (*ss.lower_bound(v.back())) << endl;
			for(int j:v) ss.insert(j);
			ans++;
			v.clear();
		}
		v.push_back(arr[i]);
	}
	printf("%d\n",ans);
}

Compilation message (stderr)

money.cpp: In function 'int main()':
money.cpp:14:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   14 |  scanf("%d",&n);
      |  ~~~~~^~~~~~~~~
money.cpp:16:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   16 |   scanf("%d",&arr[i]);
      |   ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 16 / 16
• Subtask 3: 20 / 20
• Subtask 4: 55 / 55