QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#626579 | #6434. Paimon Sorting | Crying | AC ✓ | 105ms | 14224kb | C++14 | 1.4kb | 2024-10-10 10:21:48 | 2024-10-10 10:21:48 |
Judging History
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;
}
Details
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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