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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
#626579#6434. Paimon SortingCryingAC ✓105ms14224kbC++141.4kb2024-10-10 10:21:482024-10-10 10:21:48

Judging History

你现在查看的是最新测评结果

  • [2024-10-10 10:21:48]
  • 评测
  • 测评结果:AC
  • 用时:105ms
  • 内存:14224kb
  • [2024-10-10 10:21:48]
  • 提交

answer

#include<bits/stdc++.h>
#define lowbit(x) (x&(-x))
using namespace std;
typedef long long ll;
const int N = 5e5+10;
int T,n,a[N],buc[N],nxt[N]; ll ans[N];

struct BIT{
    int t[N];
    void clear(){fill(t+1,t+1+n,0);}
    void mdf(int x,int v){
        x = n-x+1;
        for(;x<=n;x+=lowbit(x))t[x] += v;
    }
    int qry(int x,int S=0){
        x = n-x+1;
        for(;x;x-=lowbit(x))S += t[x];
        return S;
    }
}bit,bit2;

void set_v(int x,int p){
    buc[x]++;
    if(buc[x] == 2)nxt[x] = p;
}

void solve(){
    cin>>n;
    for(int i=1;i<=n;i++)cin>>a[i];

    bit.clear(); bit2.clear(); 
    fill(buc+1,buc+1+n,0); fill(nxt+1,nxt+1+n,0);
    ans[1] = 0; bit.mdf(a[1],1); set_v(a[1],1);
    int pre = a[1];
    for(int i=2;i<=n;i++){
        ans[i] = ans[i-1];
        if(a[i] > pre){
            if(nxt[pre]){
                ans[i] += bit2.qry(nxt[pre]);
            }
            ans[i] += 2;
            bit.mdf(a[i],1);
            pre = a[i];
        }else{
            ans[i] += bit.qry(a[i]+1);
            if(!buc[a[i]])bit.mdf(a[i],1);
            bit2.mdf(i,1);
        }
        set_v(a[i],i);
    }
    for(int i=1;i<=n;i++){
        cout<<ans[i]; if(i<n)cout<<" ";
    }
    cout<<"\n";
}
int main(){
    ios::sync_with_stdio(false); cin.tie(0);
    cin>>T;
    while(T--)solve();

    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 11860kb

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: 105ms
memory: 14224kb

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