제출 #36707

#제출 시각아이디문제언어결과실행 시간메모리
36707TenuunMoney (IZhO17_money)C++14
0 / 100
0 ms9828 KiB
#include <bits/stdc++.h>

using namespace std;

long long fen[1000001], n;

void update(int pos, int val){
	for(int i=pos; i<=n; i+= i&-i)
		fen[i]+=val;
}

int sum(int pos){
	long long ans=0;
	for(int i=pos; i>0; i-= i&-i)
		ans+=fen[i];
	return ans;
}

int main(){
	int i, res, last, curr; 
	cin >> n;
	int a[n];
	for(i=1; i<=n; i++)
		cin >> a[i];
	update(2, a[1]);   
	res=1;
	last=a[1];
	for(i=2; i<=n; i++){
		curr=a[i];
		if(curr<last || (sum(curr)-sum(last+1)>0)) res++;
		update(i+1, 1);
		last=curr;	
	}
	cout << res;
	return 0;
}
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