#include<bits/stdc++.h>
using namespace std;
using ll = long long;
int main(){
ios::sync_with_stdio(0);cin.tie(0);
int n,m;
cin >> n >> m;
vector<pair<string,int>> source(n);
vector<pair<string,int>> rsource(n);
for (int i = 0;i<n;i++){
cin >> source[i].first;
source[i].second = i;
rsource[i] = source[i];
reverse(rsource[i].first.begin(),rsource[i].first.end());
}
sort(source.begin(),source.end());
sort(rsource.begin(),rsource.end());
vector<int> t(n,-1);
int cur = 1;
while (m--){
string p,q;
cin >> p >> q;
int ans = 0;
reverse(q.begin(),q.end());
auto a = lower_bound(source.begin(),source.end(),make_pair(p,0));
p[p.size()-1]++;
auto b = lower_bound(source.begin(),source.end(),make_pair(p,0));
for (;a!=b;a++){
t[(*a).second] = cur;
}
a = lower_bound(rsource.begin(),rsource.end(),make_pair(q,0));
q[q.size()-1]++;
b = lower_bound(rsource.begin(),rsource.end(),make_pair(q,0));
for (;a!=b;a++){
if (t[(*a).second] == cur){
ans++;
}
}
cout << ans << "\n";
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
23 ms |
8536 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
1572 ms |
5052 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |