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QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #716936 | #9356. LRU Algorithm | Xinyoucuo1dui# | ML | 0ms | 7764kb | C++23 | 2.7kb | 2024-11-06 16:25:24 | 2024-11-06 16:25:24 |
Judging History
answer
#include<bits/stdc++.h>
// #pragma GCC optimize("Ofast")
// #pragma GCC optimize("unroll-loops")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
using namespace std;
// #define int long long
inline int read(){
int s=0,w=1;
char ch=getchar();
while(ch<'0'||ch>'9'){if(ch=='-')w=-1;ch=getchar();}
while(ch>='0'&&ch<='9') s=s*10+ch-'0',ch=getchar();
return s*w;
}
int b[5003],a[5003][5003],sz[5003];
int csz[5003],c[5003][5003];
bool vis[5003],ans[5003];
vector<int> *ts[5003][5003],*tq[5003][5003];
void dfs(int len,vector<int> &s,vector<int> &q)
{
// printf("dfs %d\n",len);
// for(int i:s) printf("%d ",i);
// puts("");
// for(int i:q) printf("%d(%d) ",i,csz[i]);
// puts("");
// puts("");
for(int i:q) if(csz[i]<len)
{
// printf("assign %d\n",i);
ans[i]=1;
}
else
{
int v=c[i][len];
if(ts[len][v]==NULL)
ts[len][v]=new vector<int>();
if(tq[len][v]==NULL)
tq[len][v]=new vector<int>();
// if(!ts[len][v].empty())
// vector<int>().swap(ts[len][v]);
// if(!tq[len][v].empty())
// vector<int>().swap(tq[len][v]);
}
for(int i:q) if(csz[i]>=len)
{
(*tq[len][c[i][len]]).push_back(i);
}
for(int i:s) if(sz[i]>=len)
{
if(ts[len][a[i][len]]!=NULL)
(*ts[len][a[i][len]]).push_back(i);
}
for(int i:q) if(csz[i]>=len)
{
int v=c[i][len];
if(ts[len][v]!=NULL&&!(*ts[len][v]).empty())
{
// vector<int> _s,_q;
// _s.swap(*ts[len][v]),
// _q.swap(*tq[len][v]);
dfs(len+1,*ts[len][v],*tq[len][v]);
ts[len][v]=NULL;
tq[len][v]=NULL;
}
}
}
signed main()
{
for(int T=read();T--;)
{
int n=read(),m=read();
for(int i=1; i<=n; ++i) b[i]=read();
for(int i=1; i<=n; ++i)
{
sz[i]=0;
for(int i=1; i<=n; ++i) vis[i]=0;
for(int j=1; j<=i; ++j) a[i][j]=0;
for(int j=i; j>=1; --j)
if(!vis[b[j]])
{
a[i][++sz[i]]=b[j];
vis[b[j]]=1;
}
sz[i]=n;
// for(int j=1; j<=sz[i]; ++j)
// printf("%d ",a[i][j]);
// puts("");
}
vector<int> queries;
for(int i=1; i<=m; ++i)
{
queries.push_back(i);
ans[i]=0;
for(int j=1; j<=i; ++j) c[i][j]=0;
csz[i]=read();
// bool gg=0;
for(int j=1; j<=csz[i]; ++j)
{
c[i][j]=read();
// if(c[i][j]>n||c[i][j]<=0) gg=1;
// printf("%d ",c[i][j]);
}
// puts("");
}
vector<int> strings;
for(int i=1; i<=n; ++i)
strings.push_back(i);
dfs(1,strings,queries);
for(int i=1; i<=m; ++i)
if(ans[i]) puts("Yes");
else puts("No");
for(int i=0; i<=n; ++i)
for(int j=0; j<=n; ++j)
ts[i][j]=tq[i][j]=NULL;
// vector<int>().swap(ts[i][j]),
// vector<int>().swap(tq[i][j]);
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 7764kb
input:
1 7 5 4 3 4 2 3 1 4 1 4 2 2 3 3 3 2 1 4 4 1 3 2 4 3 4 0 0
output:
Yes No No Yes Yes
result:
ok 5 lines
Test #2:
score: -100
Memory Limit Exceeded
input:
105 50 10 23 30 34 20 27 11 21 29 12 7 21 42 45 48 8 15 6 16 19 35 16 14 29 11 31 18 22 4 45 22 14 4 13 40 43 48 27 15 15 15 15 10 15 11 31 37 34 34 50 14 1 25 2 23 6 3 29 21 11 4 12 29 18 39 5 29 21 11 27 20 6 21 10 9 3 34 14 7 49 36 36 43 50 50 35 8 12 29 21 11 27 20 34 30 9 11 27 20 34 30 23 0 0 ...
output:
No No Yes No Yes No No Yes Yes No Yes Yes Yes Yes No Yes No No No Yes Yes Yes No No No No Yes Yes Yes No No No No Yes Yes Yes No No No No No No No No Yes No No No Yes Yes Yes Yes No No Yes No No No Yes Yes Yes Yes No No Yes No No No Yes No Yes No Yes No Yes No No No Yes Yes Yes No No No No No No Yes...