Submission #498022

#	Time	Username	Problem	Language	Result	Execution time	Memory
498022		Aktan	Money (IZhO17_money)	C++17	100 / 100	1197 ms	55160 KiB

money

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
#define int long long
#define ft first
#define sc second
using namespace std;
const int mod=1e9+7,INF=1e17;
set<int> m;
int a[1000005],ans;
main(){
   int n;
   cin >> n;
   for(int i=1;i<=n;i++){
   	cin >> a[i];
   }
   m.insert(0);
   m.insert(INF);
   for(int i=1;i<=n;i++){
   	ans++;
   	int res=*m.upper_bound(a[i]);
   	m.insert(a[i]);
   	while(a[i]<=a[i+1] && a[i+1]<=res && i<n){
   		i++;
   		m.insert(a[i]);
	   }
   }
   cout << ans;
   
}

Compilation message (stderr)

money.cpp:13:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   13 | main(){
      | ^~~~

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