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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#245602 | #5466. Permutation Compression | joelgun14 | WA | 1ms | 3468kb | C++14 | 1.4kb | 2023-11-10 05:10:32 | 2023-11-10 05:10:33 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5+5;
const int inf = 1e9;
int n,m,k,a[N],pos[N],b[N],l[N],need[N];
bool del[N];
int c[N];
int lowbit(int x) {return x&-x;}
void add(int x,int k)
{
while(x<=n)
{
c[x]+=k;
x+=lowbit(x);
}
}
int query(int x)
{
int ans=0;
while(x)
{
ans+=c[x];
x-=lowbit(x);
}
return ans;
}
int query(int x,int y) {return query(y)-query(x-1);}
int main()
{
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t;cin>>t;
while(t--)
{
cin>>n>>m>>k;
for(int i=1;i<=n;i++) cin>>a[i],pos[a[i]]=i;
for(int i=1;i<=m;i++) cin>>b[i];
for(int i=1;i<=k;i++) cin>>l[i];
if(n-m>k)
{
cout<<"NO"<<'\n';
continue;
}
sort(l+1,l+k+1);
for(int i=1;i<=n;i++) c[i]=0,del[i]=1;
for(int i=1;i<=m;i++) del[b[i]]=0;
set<int> s;
s.insert(0),s.insert(n+1);
int p=0;
for(int i=n;i;i--)
if(del[i])
{
auto it=s.lower_bound(pos[i]);
int l=*(prev(it)),r=*it;
need[++p]=r-l-1-query(l+1,r-1);
add(pos[i],1);
}
else s.insert(pos[i]);
bool ok=1;
sort(need+1,need+p+1);
for(int i=1;i<=p;i++)
if(need[i]<l[i]) ok=0;
cout<<(ok?"YES":"NO")<<'\n';
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3460kb
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: 3468kb
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'