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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#718016#6434. Paimon SortingfrogmanAC ✓100ms12628kbC++141.0kb2024-11-06 19:30:032024-11-06 19:30:04

Judging History

你现在查看的是最新测评结果

  • [2024-11-06 19:30:04]
  • 评测
  • 测评结果:AC
  • 用时:100ms
  • 内存:12628kb
  • [2024-11-06 19:30:03]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define int long long
const int N=4e5;
int T,n,a[N],num[N],st[N];
int val[N];
int lowbit(int x){return x&(-x);}
void update(int x)
{
	while(x<=n)
	{
		val[x]++;
		x+=lowbit(x);
	}
}
int query(int x)
{
	int sum=0;
	while(x)
	{
		sum+=val[x];
		x-=lowbit(x);
	}
	return sum;
}
signed main(){
	ios::sync_with_stdio(false);
	cin.tie(0);cout.tie(0);
	cin>>T;
	while(T--)
	{
		cin>>n;
		for(int i=1;i<=n;i++) cin>>a[i],num[a[i]]=val[i]=st[i]=0;val[0]=0;
		int Max=a[1],ans=0;
		if(n==1){
			cout<<0<<"\n";
			continue;
		}
		cout<<0<<" ";
		num[a[1]]++;
		update(a[1]);
		for(int i=2;i<=n;i++)
		{
			num[a[i]]++;
			if(Max<a[i])
			{
				ans+=2;
				if(st[Max]) ans+=i-st[Max];
				Max=a[i];
			}
			else
			{
				ans+=query(n)-query(a[i]);
			}
			if(num[a[i]]==1) update(a[i]);
			if(num[a[i]]==2) st[a[i]]=i;
			if(i<n) cout<<ans<<" ";
			else cout<<ans<<"\n";
		}
	}
	return 0;
}
/*
1
18
6 5 12 12 11 2 10 10 5 10 13 15 13 10 17 7 11 2
*/

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 9864kb

input:

3
5
2 3 2 1 5
3
1 2 3
1
1

output:

0 2 3 5 7
0 2 4
0

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 100ms
memory: 12628kb

input:

6107
19
10 13 8 8 11 18 12 9 15 19 6 13 11 11 17 9 14 2 18
12
1 8 10 2 10 2 6 1 5 9 5 7
16
14 4 2 15 12 14 10 3 2 9 15 4 12 9 5 15
10
3 2 5 6 7 8 6 1 6 4
18
6 5 12 12 11 2 10 10 5 10 13 15 13 10 17 7 11 2
1
1
2
1 1
3
2 1 2
17
11 15 3 10 7 15 15 10 5 17 3 3 14 13 11 11 2
3
2 2 3
7
6 1 7 5 3 5 1
7
2 1...

output:

0 2 4 6 7 9 11 16 17 19 28 31 36 41 43 51 55 67 68
0 2 4 6 6 8 10 14 17 18 22 25
0 1 3 5 7 8 11 16 22 26 26 31 33 37 42 42
0 1 3 5 7 9 11 17 19 23
0 1 3 3 4 8 10 12 16 18 27 29 30 34 36 42 46 55
0
0 0
0 1 1
0 2 4 6 9 9 9 11 15 21 27 33 35 38 42 46 55
0 0 3
0 1 3 5 8 10 14
0 1 3 4 6 9 9
0 1 1 3 7 11 ...

result:

ok 6107 lines