Submission #497947

#TimeUsernameProblemLanguageResultExecution timeMemory
497947tmn2005Money (IZhO17_money)C++17
100 / 100
910 ms62000 KiB
#include<bits/stdc++.h>
using namespace std;

typedef long long ll;

#define ar array
#define fr first
#define sc second

#define vec vector
#define ret return

#define ins insert
#define mk make_pair
#define pb push_back
#define pf push_front
#define pob pop_back
#define pof pop_back

#define int long long

#define pii pair<int,int>

#define all(s) s.begin(), s.end()
#define allr(s) s.rbegin(), s.rend()

#define NeedForSpeed ios::sync_with_stdio(0),cin.tie(0);
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
const int N=1e6+12,INF=1e9,mod = 1e9+7;
bool iswowel(char n){ n = toupper(n); if(n == 'A' || n == 'O' || n == 'U' || n == 'E' || n == 'I') return true; else return false;}
int n,m,k,x,y,l,r,o,ans,res,ok,mx,mn = INF;
int a[N],b,c;

main(){
	NeedForSpeed
    cin>>n;
    for(int i=1; i<=n; i++)cin>>a[i];
	set<int>s;
	s.ins(INF);
	s.ins(0);
	
	for(int i=1; i<=n; i++){		
		res++;
		int l = *s.upper_bound(a[i]);
		s.ins(a[i]);
		while(a[i] <= a[i+1] && a[i+1] <= l && i < n){
			i++;
			s.ins(a[i]);
		}
	}
	cout<<res;
	return 0;
}



Compilation message (stderr)

money.cpp:34:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   34 | main(){
      | ^~~~
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