QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #627688 | #9356. LRU Algorithm | guodong# | TL | 0ms | 3800kb | C++17 | 1.4kb | 2024-10-10 16:45:52 | 2024-10-10 16:45:52 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
using namespace std;
#define For(i,a,b) for(int i = a; i <= b; ++i)
#define pb push_back
#define mp make_pair
const int N = 5050;
const int mod = 1e18 + 3;
const int base = 13;
int mul(int x,int y){
int t = x * y - (1.L) * (x * y / mod);
return (t % mod + mod) % mod;
}
signed main(){
#ifdef NICEGUODONG
freopen("data.in","r",stdin);
#endif
ios::sync_with_stdio(false);
int T;
cin >> T;
while(T--){
int n,q;
unordered_map<int,bool> M;
cin >> n >> q;
vector<int> a;
For(i,1,n){
int x;
cin >> x;
++x;
a.push_back(x);
int hashsum = 0,cur = 1,cnt = 0;
vector<int> vis(n + 1);
for(int j = a.size() - 1; j >= 0; --j){
if(vis[a[j]]) continue;
++cnt;
vis[a[j]] = 1;
hashsum += cur * a[j];
hashsum %= mod;
M[hashsum] = true;
cur = mul(cur,base);
}
while(cnt <= n){
hashsum += cur * 1;
hashsum %= mod;
M[hashsum] = true;
cur = mul(cur,base);
++cnt;
}
}
for(int i = 1; i <= q; ++i){
int m;
cin >> m;
int hashsum = 0,cur = 1;
for(int i = 1; i <= m; ++i){
int x;
cin >> x;
++x;
hashsum += cur * x;
hashsum %= mod;
cur = mul(cur , base);
}
if(M.find(hashsum) != M.end()){
cout << "Yes" << '\n';
}
else
cout << "No" << '\n';
}
}
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3800kb
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
Time 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...