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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#338422#4802. Ternary SearchJryno1WA 12ms88924kbC++141.5kb2024-02-25 21:40:002024-02-25 21:40:00

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你现在查看的是最新测评结果

  • [2024-02-25 21:40:00]
  • 评测
  • 测评结果:WA
  • 用时:12ms
  • 内存:88924kb
  • [2024-02-25 21:40:00]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define int long long 
#define lowbit(x) (x&(-x))
const int maxn=2e6+10;
int a[maxn],hsh[maxn],pos[maxn],n,ans[maxn];
struct Fenwick{
	int tr[maxn];
	void cl(){memset(tr,0,sizeof(tr));}
	void CT(int p,int x){for(;p<maxn;p+=lowbit(p))tr[p]+=x;}
	int QT(int p){
		int res=0;
		for(;p;p-=lowbit(p))res+=tr[p];
		return res;
	}
}T,R;
vector<int>del[maxn];
signed main(){
	cin.tie(0),cout.tie(0),ios::sync_with_stdio(false);
	cin>>n;
	for(int i=1;i<=n;i++)cin>>a[i],hsh[i]=a[i];
	sort(hsh+1,hsh+1+n);
	for(int i=1;i<=n;i++)a[i]=lower_bound(hsh+1,hsh+1+n,a[i])-hsh,pos[a[i]]=i;
	T.cl();
	for(int i=n;i>=1;i--){
		int l=pos[i],r=n,res=0,nowval=T.QT(pos[i]);
		while(l<=r){
			int mid=(l+r)>>1;
			if(T.QT(mid)-nowval>=nowval){
				res=mid;
				r=mid-1;
			} else l=mid+1;
		}
		del[res].push_back(i);
		T.CT(pos[i],1);
	}
	int pre=0;
	R.cl();
	for(int i=1;i<=n;i++){
		pre+=R.QT(a[i]);
		R.CT(a[i],1);
		for(auto s:del[i])T.CT(s,-1);
		ans[i]=pre;
	}
	for(int i=1;i<=n;i++)a[i]=a[n-a[i]+1],pos[a[i]]=i;
	T.cl();
	for(int i=n;i>=1;i--){
		int l=pos[i],r=n,res=0,nowval=T.QT(pos[i]);
		while(l<=r){
			int mid=(l+r)>>1;
			if(T.QT(mid)-nowval>=nowval){
				res=mid;
				r=mid-1;
			} else l=mid+1;
		}
		del[res].push_back(i);
		T.CT(pos[i],1);
	}
	pre=0;
	R.cl();
	for(int i=1;i<=n;i++){
		pre+=R.QT(a[i]);
		R.CT(a[i],1);
		for(auto s:del[i])T.CT(s,-1);
		ans[i]=min(ans[i],pre);
	}
	for(int i=1;i<=n;i++)cout<<ans[i]<<" ";
	return 0;
}

/*
*/ 

Details

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Test #1:

score: 0
Wrong Answer
time: 12ms
memory: 88924kb

input:

9
11
4
5
14
1
9
19
8
10

output:

0 0 1 4 4 7 13 16 21 

result:

wrong answer 3rd numbers differ - expected: '0', found: '1'