QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#628032 | #5466. Permutation Compression | laonongmin | WA | 1ms | 3624kb | C++17 | 2.0kb | 2024-10-10 18:19:08 | 2024-10-10 18:19:08 |
Judging History
answer
#pragma GCC optimize(3)
#include <bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define N 200005
#define MOD 998244353
using namespace std;
int n,m,k;
int a[N];
int st[N];
ll c[N];
inline int lowbit(int x){ return x&-x; }
void update(int i, int x) // 单点修改
{
while(i<=n)
{
c[i]+=x;
i+=lowbit(i);
}
}
int sum(int i) // 区间查询 sum[1,i]
{
int res=0;
while(i>0)
{
res+=c[i];
i-=lowbit(i);
}
return res;
}
void solve()
{
cin>>n>>m>>k;
priority_queue<pii> q;
multiset<int> ms;
set<pii> s;
s.insert({1,n});
bool ok = true;
for(int i=1;i<=n;++i) {cin>>a[i]; q.push({a[i], i}); st[i]=0;}
for(int i=1,j=1;i<=m;++i,++j)
{
int b; cin>>b;
while(j<=n && b!=a[j]) ++j;
if(j>n) ok = false;
if(j<=n) st[j]=1;
}
for(int i=1;i<=k;++i)
{
int x; cin>>x;
ms.insert(x);
}
if(!ok) {cout<<"NO\n"; return;}
while(!q.empty())
{
int i = q.top().second;
q.pop();
// cout<<st[i]<<' ';
if(st[i])
{
auto it = s.upper_bound({i,i});
if(it==s.begin()) continue;
--it;
auto [l,r] = *it;
s.erase(it);
if(i<r) s.insert({i+1,r});
if(i>l) s.insert({l,i-1});
}
else
{
auto [l,r] = *(--s.upper_bound({i,i}));
int num = (r-l+1)-(sum(r)-sum(l-1));
// cout<<l<<r<<num<<'\n';
// if(l==1 && r==0){for(auto [x,y]:s) cout<<"d"<<x<<' '<<y<<'\n';}
auto it = ms.upper_bound(num);
if(it==ms.begin()) {cout<<"NO\n"; return;}
--it;
ms.erase(it);
update(i,1);
}
}
cout<<"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: 0ms
memory: 3572kb
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: 3624kb
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 NO NO YES NO YES YES YES NO YES YES NO YES NO NO NO NO YES NO YES YES YES NO YES NO NO YES NO YES NO NO YES YES NO NO YES YES YES NO NO NO NO YES NO NO YES NO YES NO NO NO NO NO YES NO YES NO NO YES YES YES NO NO NO NO NO YES YES YES NO NO YES NO YES NO NO YES YES YES YES YES NO NO YES YES NO NO...
result:
wrong answer 2nd lines differ - expected: 'YES', found: 'NO'