#include<bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define taskname "A"
using namespace std;
const int maxn = 1e5 + 5;
const int maxm = 2e6 + 6;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> ii;
int n , q;
int l[maxm][4] , r[maxm][4];
string s[maxn];
int converse(char x){
if(x == 'A')return 0;
if(x == 'G')return 1;
if(x == 'C')return 2;
return 3;
}
int in[maxm] , out[maxm];
vector<int> v[maxm];
int sz = 1 , sz1 = 1;
void add(int root , string &s , int id){
for(const char & c : s){
if(l[root][converse(c)] == 0)l[root][converse(c)] = ++sz;
root = l[root][converse(c)];
}
if(in[root] == 0)in[root] = id;
out[root] = id;
}
void addr(int root , string &s , int id){
for(const char & c : s){
if(r[root][converse(c)] == 0)r[root][converse(c)] = ++sz1;
root = r[root][converse(c)];
v[root].pb(id);
}
}
int go(int root , string & s){
for(const char & c : s){
if(l[root][converse(c)] == 0)return 0;
root = l[root][converse(c)];
}
return root;
}
int gor(int root , string & s){
for(const char & c : s){
if(r[root][converse(c)] == 0)return 0;
root = r[root][converse(c)];
}
return root;
}
int main(){
ios_base::sync_with_stdio(0);cin.tie(0);
if(fopen(taskname".INP","r")){
freopen(taskname".INP", "r",stdin);
freopen(taskname".OUT", "w",stdout);
}
cin >> n >> q;
for(int i = 1 ; i <= n ; ++i){
cin >> s[i];
}
sort(s + 1 , s + n + 1);
for(int i = 1 ; i <= n ; ++i){
add(1 , s[i] , i);
reverse(s[i].begin(),s[i].end());
addr(1 , s[i] , i);
}
function<void(int)> dfs = [&](int u){
if(in[u] == 0)in[u] = 1e9;
for(int i = 0 ; i < 4 ; ++i){
if(l[u][i]){
dfs(l[u][i]);
in[u] = min(in[u] , in[l[u][i]]);
out[u] = max(out[u] , out[l[u][i]]);
}
}
};
dfs(1);
for(int i = 1 ; i <= sz1 ; ++i){
sort(v[i].begin(),v[i].end());
}
while(q--){
string p , q;cin >> p >> q;
int x = go(1 , p);
reverse(q.begin(),q.end());
int y = gor(1 , q);
// if(x == 0 || y == 0)continue;
cout << upper_bound(v[y].begin(),v[y].end(),out[x]) -
lower_bound(v[y].begin(),v[y].end(),in[x]) << '\n';
}
}
Compilation message
selling_rna.cpp: In function 'int main()':
selling_rna.cpp:64:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
freopen(taskname".INP", "r",stdin);
~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
selling_rna.cpp:65:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
freopen(taskname".OUT", "w",stdout);
~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
47 ms |
50552 KB |
Output is correct |
| 2 |
Correct |
47 ms |
50552 KB |
Output is correct |
| 3 |
Correct |
47 ms |
50424 KB |
Output is correct |
| 4 |
Correct |
47 ms |
50424 KB |
Output is correct |
| 5 |
Correct |
48 ms |
50424 KB |
Output is correct |
| 6 |
Correct |
47 ms |
50424 KB |
Output is correct |
| 7 |
Correct |
47 ms |
50424 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
316 ms |
145528 KB |
Output is correct |
| 2 |
Correct |
299 ms |
144184 KB |
Output is correct |
| 3 |
Correct |
268 ms |
113472 KB |
Output is correct |
| 4 |
Correct |
254 ms |
110964 KB |
Output is correct |
| 5 |
Correct |
298 ms |
140156 KB |
Output is correct |
| 6 |
Correct |
336 ms |
141364 KB |
Output is correct |
| 7 |
Correct |
132 ms |
66040 KB |
Output is correct |
| 8 |
Correct |
284 ms |
114664 KB |
Output is correct |
| 9 |
Correct |
254 ms |
105948 KB |
Output is correct |
| 10 |
Correct |
217 ms |
102648 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
77 ms |
51288 KB |
Output is correct |
| 2 |
Correct |
73 ms |
51272 KB |
Output is correct |
| 3 |
Correct |
78 ms |
51752 KB |
Output is correct |
| 4 |
Correct |
69 ms |
51576 KB |
Output is correct |
| 5 |
Correct |
74 ms |
51704 KB |
Output is correct |
| 6 |
Correct |
79 ms |
51704 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
47 ms |
50552 KB |
Output is correct |
| 2 |
Correct |
47 ms |
50552 KB |
Output is correct |
| 3 |
Correct |
47 ms |
50424 KB |
Output is correct |
| 4 |
Correct |
47 ms |
50424 KB |
Output is correct |
| 5 |
Correct |
48 ms |
50424 KB |
Output is correct |
| 6 |
Correct |
47 ms |
50424 KB |
Output is correct |
| 7 |
Correct |
47 ms |
50424 KB |
Output is correct |
| 8 |
Correct |
316 ms |
145528 KB |
Output is correct |
| 9 |
Correct |
299 ms |
144184 KB |
Output is correct |
| 10 |
Correct |
268 ms |
113472 KB |
Output is correct |
| 11 |
Correct |
254 ms |
110964 KB |
Output is correct |
| 12 |
Correct |
298 ms |
140156 KB |
Output is correct |
| 13 |
Correct |
336 ms |
141364 KB |
Output is correct |
| 14 |
Correct |
132 ms |
66040 KB |
Output is correct |
| 15 |
Correct |
284 ms |
114664 KB |
Output is correct |
| 16 |
Correct |
254 ms |
105948 KB |
Output is correct |
| 17 |
Correct |
217 ms |
102648 KB |
Output is correct |
| 18 |
Correct |
77 ms |
51288 KB |
Output is correct |
| 19 |
Correct |
73 ms |
51272 KB |
Output is correct |
| 20 |
Correct |
78 ms |
51752 KB |
Output is correct |
| 21 |
Correct |
69 ms |
51576 KB |
Output is correct |
| 22 |
Correct |
74 ms |
51704 KB |
Output is correct |
| 23 |
Correct |
79 ms |
51704 KB |
Output is correct |
| 24 |
Correct |
296 ms |
132396 KB |
Output is correct |
| 25 |
Correct |
319 ms |
132696 KB |
Output is correct |
| 26 |
Correct |
331 ms |
131612 KB |
Output is correct |
| 27 |
Correct |
237 ms |
104440 KB |
Output is correct |
| 28 |
Correct |
291 ms |
76044 KB |
Output is correct |
| 29 |
Correct |
147 ms |
58964 KB |
Output is correct |
