QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#714029 | #5466. Permutation Compression | Wzy | WA | 1ms | 5676kb | C++14 | 2.9kb | 2024-11-05 21:17:39 | 2024-11-05 21:17:39 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long LL;
typedef pair<int,int> PII;
const int N=2e5+10,M=1e6+10;
const int mod=1e9+7;
int INF = 1e9;
int p[N];
int h[N],ne[M],e[M],idx;
int d[N];
LL res;
int n;
LL tr[N];
int lowbit(int x)
{
return x & -x;
}
void add(int x, int c)
{
for (int i = x; i <= n; i += lowbit(i)) tr[i] += c;
}
LL sum(int x)
{
LL res = 0;
for (int i = x; i; i -= lowbit(i)) res += tr[i];
return res;
}
void solve(){
int m,k;
cin>>n>>m>>k;
vector<int> a(n+10),st(n+10),b;
for(int i=0;i<=n;i++) tr[i]=0;
map<int,int> id;
for(int i=1;i<=n;i++) cin>>a[i];
a[0]=1e9,a[n+1]=1e9;
for(int i=0;i<m;i++){
int x;
cin>>x;
st[x]=true;
}
for(int i=0;i<k;i++){
int x;
cin>>x;
b.push_back(x);
}
int ls=0,nx=n+1;
vector<int> req;
map<int,PII> mp;
int q[n+10],hh=0,tt=0;
q[0]=0;
for(int i=1;i<=n;i++){
id[a[i]]=i;
if(st[a[i]]) {
while(hh<=tt&&a[i]>a[q[tt]]) --tt;
q[++tt]=i;
}
else{
int l=0,r=tt;
while(l<r){
int mid=l+r+1>>1;
if(a[q[mid]]>a[i]) l=mid;
else r=mid-1;
}
mp[a[i]].first=q[l];
}
if(!st[a[i]]) req.push_back(a[i]);
}
hh=0,tt=0,q[0]=n+1;
for(int i=n;i>=1;i--){
if(st[a[i]]){
while(hh<=tt&&a[i]>a[q[tt]]) --tt;
q[++tt]=i;
}
else {
int l=0,r=tt;
while(l<r){
int mid=l+r+1>>1;
if(a[q[mid]]>a[i]) l=mid;
else r=mid-1;
}
mp[a[i]].second=q[l];
}
}
sort(req.begin(),req.end());
sort(b.begin(),b.end());
vector<int> res;
//for(auto [x,y]:mp) cout<<x<<" "<<y.first<<" "<<y.second<<endl;
for(int i=req.size()-1;i>=0;i--){
auto t=mp[req[i]];
int l=t.first,r=t.second;
int ans=sum(r-1)-sum(l);
//cout<<req[i]<<" "<<ans<<endl;
ans=r-l-ans-1;
//cout<<req[i]<<" "<<l<<" "<<r<<endl;
//cout<<req[i]<<" "<<ans<<endl;
res.push_back(ans);
add(id[req[i]],1);
}
sort(res.begin(),res.end());
if(res.size()>k) {
cout<<"NO"<<endl;
return;
}
bool sg=true;
int cnt=k-1;
//for(auto t:res) cout<<t<<" ";
//cout<<endl;
for(int i=res.size()-1;i>=0;i--){
while(cnt>=0&&res[i]<b[cnt]) cnt--;
if(cnt==-1){
sg=false;
break;
}
cnt--;
}
if(sg) cout<<"YES"<<endl;
else cout<<"NO"<<endl;
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int T=1;
cin>>T;;
while(T--) solve();
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 5608kb
input:
3 5 2 3 5 1 3 2 4 5 2 1 2 4 5 5 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 3 2 2 3 1 2 3 2 2 3
output:
YES YES NO
result:
ok 3 lines
Test #2:
score: -100
Wrong Answer
time: 1ms
memory: 5676kb
input:
100 2 1 2 2 1 2 1 1 2 1 2 1 2 1 2 2 2 1 1 1 2 1 2 6 1 5 3 4 2 5 6 1 3 5 2 1 1 1 6 1 6 2 1 3 6 4 5 1 4 1 2 2 1 4 3 3 2 2 1 3 2 1 3 2 2 1 1 1 1 1 1 1 1 1 1 1 1 2 1 2 2 1 2 1 2 4 4 3 2 1 3 4 2 1 3 4 4 3 1 1 1 1 1 1 1 6 5 1 6 2 5 4 3 1 6 2 4 3 1 4 1 1 1 1 1 1 6 5 3 3 6 1 4 5 2 3 6 1 4 2 3 3 4 4 3 4 3 4 ...
output:
YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES NO YES YES YES YES NO YES YES YES YES YES YES YES YES YES YES NO NO NO YES YES NO YES YES YES YES YES YES YES YES YES YES YES YES YES NO YES YES YES YES YES YES NO YES YES YES YES YES YES YES NO YES YES YES YES Y...
result:
wrong answer 45th lines differ - expected: 'NO', found: 'YES'