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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#225798 | #5466. Permutation Compression | ZSH_ZSH# | WA | 1ms | 8128kb | C++14 | 2.4kb | 2023-10-25 09:22:17 | 2023-10-25 09:22:18 |
Judging History
answer
#include<bits/stdc++.h>
#define rep(i,a,b) for (register int i=(a);i<=(b);i++)
#define drep(i,a,b) for (register int i=(a);i>=(b);i--)
typedef long long ll;
using namespace std;
const int N=200010;
int n,a[N],b[N],pos[N],m,K;
#define mid ((start+end)>>1)
namespace SMT
{
int mx[N<<2];
inline void push_up(int node)
{
mx[node]=max(mx[node<<1],mx[node<<1|1]);
}
void build(int node,int start,int end)
{
if (start==end)
{
mx[node]=a[start];
return;
}
build(node<<1,start,mid);
build(node<<1|1,mid+1,end);
push_up(node);
}
void update(int node,int start,int end,int id,int v)
{
if (start==end)
{
mx[node]=v;
return;
}
if (id<=mid) update(node<<1,start,mid,id,v);
else update(node<<1|1,mid+1,end,id,v);
}
int q(int node,int start,int end,int L,int R)
{
if (start>R||end<L) return 0;
if (start>=L&&end<=R) return mx[node];
return max(q(node<<1,start,mid,L,R),q(node<<1|1,mid+1,end,L,R));
}
}
#undef mid
struct BIT
{
int t[N];
void clear(int n)
{
memset(t,0,sizeof(int)*(n+5));
}
void update(int x,int v)
{
while (x<=n) t[x]+=v,x+=(x&(-x));
}
int getsum(int x)
{
int res=0;
while (x) res+=t[x],x-=(x&(-x));
return res;
}
int q(int l,int r)
{
if (l>r) return 0;
return getsum(r)-getsum(l-1);
}
}bit;
void solve()
{
cin>>n>>m>>K;
rep(i,1,n) cin>>a[i];
rep(i,1,m) cin>>b[i];
multiset<int> S;
rep(i,1,K)
{
int x; cin>>x;
S.insert(x);
}
rep(i,1,n) pos[a[i]]=i;
rep(i,1,m-1) if (pos[b[i]]>pos[b[i+1]])
{
printf("NO\n");
return;
}
vector<int> vis(n+1),vec;
rep(i,1,m) vis[b[i]]=1;
rep(i,1,n) if (!vis[i]) vec.push_back(i);
reverse(vec.begin(),vec.end());
SMT::build(1,1,n);
bit.clear(n);
for (auto x:vec)
{
int p=pos[x],L,R;
{
int l=1,r=p;
while (l<r)
{
int mid=(l+r)>>1;
if (SMT::q(1,1,n,mid,p)==x) r=mid;
else l=mid+1;
}
L=l;
}
{
int l=p,r=n;
while (l<r)
{
int mid=(l+r)>>1;
if (SMT::q(1,1,n,p,mid+1)==x) l=mid+1;
else r=mid;
}
R=l;
}
int len=R-L+1-bit.q(L,R);
if (!S.size()||*(S.begin())>len)
{
printf("NO\n");
return;
}
bit.update(p,1);
SMT::update(1,1,n,p,0);
auto it=prev(S.upper_bound(len));
S.erase(it);
}
printf("YES\n");
}
int main()
{
ios::sync_with_stdio(false); cin.tie(0);
int T; cin>>T;
while (T--) solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 8128kb
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: 8064kb
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 NO 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 YE...
result:
wrong answer 82nd lines differ - expected: 'YES', found: 'NO'