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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#158005 | #7108. Couleur | ucup-team956# | AC ✓ | 1864ms | 50540kb | C++20 | 2.5kb | 2023-09-02 16:07:08 | 2023-09-02 16:07:08 |
Judging History
answer
#include <bits/stdc++.h>
#define FOR(i,a,b) for(int i=a;i<=b;++i)
#define int long long
using namespace std;
const int _=1e5+7;
int n,a[_];
namespace TREE {
#define ls(x) e[x].l
#define rs(x) e[x].r
struct node {int l,r,siz;}e[_*22];
int cnt;
void insert(int l,int r,int L,int x,int &y) {
e[y=++cnt]=e[x];
e[y].siz++;
if(l==r) return;
int mid=(l+r)>>1;
if(L<=mid) insert(l,mid,L,ls(x),ls(y));
else insert(mid+1,r,L,rs(x),rs(y));
}
int query(int l,int r,int L,int R,int x,int y) {
if(L>R) return 0;
if(L<=l&&r<=R) return e[y].siz-e[x].siz;
int mid=(l+r)>>1,ans=0;
if(L<=mid) ans+=query(l,mid,L,R,ls(x),ls(y));
if(R>mid) ans+=query(mid+1,r,L,R,rs(x),rs(y));
return ans;
}
}
void solve() {
TREE::cnt=0;
cin>>n;
vector<int> rt(n+1);
FOR(i,1,n) {
cin>>a[i];
TREE::insert(1,n,a[i],rt[i-1],rt[i]);
}
int last_ans=0;
FOR(i,1,n) last_ans+=TREE::query(1,n,1,a[i]-1,rt[i],rt[n]);
multiset<int> S;
multiset<array<int,3>> T;
S.insert(last_ans);
T.insert({n,1,last_ans});
FOR(TTT,1,n) {
last_ans=(*S.rbegin());
cout<<last_ans<<" \n"[TTT==n];
int x;
cin>>x;
x=x^last_ans;
auto [r,l,tot]=*T.lower_bound({x,0,0});
T.erase(T.lower_bound({x,0,0}));
S.erase(S.find(tot));
if(l<=x-1) tot-=TREE::query(1,n,a[x]+1,n,rt[l-1],rt[x-1]);
if(x+1<=r) tot-=TREE::query(1,n,1,a[x]-1,rt[x],rt[r]);
if(r-x < x-l) {
int res=0;
FOR(i,x+1,r) {
res+=TREE::query(1,n,1,a[i]-1,rt[i],rt[r]);
if(l<=x-1) tot-=TREE::query(1,n,a[i]+1,n,rt[l-1],rt[x-1]);
}
if(l<=x-1) S.insert(tot-res),T.insert({x-1,l,tot-res});
if(x+1<=r) S.insert(res),T.insert({r,x+1,res});
} else {
int res=0;
FOR(i,l,x-1) {
res+=TREE::query(1,n,1,a[i]-1,rt[i],rt[x-1]);
if(x+1<=r) tot-=TREE::query(1,n,1,a[i]-1,rt[x],rt[r]);
}
if(l<=x-1) S.insert(res),T.insert({x-1,l,res});
if(x+1<=r) S.insert(tot-res),T.insert({r,x+1,tot-res});
}
}
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int T;
cin>>T;
while(T--) {
solve();
}
return 0;
}
这程序好像有点Bug,我给组数据试试?
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 5932kb
input:
3 5 4 3 1 1 1 5 4 5 3 1 10 9 7 1 4 7 8 5 7 4 8 21 8 15 5 9 2 4 5 10 6 15 4 8 8 1 12 1 10 14 7 14 2 9 13 10 3 37 19 23 15 7 2 10 15 2 13 4 5 8 7 10
output:
7 0 0 0 0 20 11 7 2 0 0 0 0 0 0 42 31 21 14 14 4 1 1 1 0 0 0 0 0 0
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 1864ms
memory: 50540kb
input:
11116 10 10 5 10 3 6 4 8 5 9 8 31 27 24 11 12 3 0 2 3 1 10 8 2 7 2 8 10 1 10 9 10 6 5 2 13 2 1 0 1 3 1 10 7 10 7 6 1 3 10 6 7 9 21 18 10 1 6 5 4 8 9 10 10 2 10 4 8 8 5 7 2 6 7 20 10 9 1 15 0 4 2 9 7 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 10 1 2 3 4 5 6 7 8 9 10 6 3 5 2 7 10 9 1 4 8 10 1 10 1 3...
output:
21 18 16 12 10 6 4 1 1 0 12 12 10 10 4 4 4 2 1 0 20 16 9 5 3 3 3 0 0 0 22 14 8 8 5 5 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19 12 7 4 4 2 2 1 0 0 20 18 8 3 1 1 0 0 0 0 45 21 21 10 3 3 3 0 0 0 17 11 8 2 1 1 1 0 0 0 13 4 1 0 0 0 0 0 0 0 29 27 22 15 9 7 4 3 1 0 26 16 9 2 1 1 1 1 1 0 0 0 0 0 0 ...
result:
ok 11116 lines
Extra Test:
score: 0
Extra Test Passed