#include<bits/stdc++.h>
using namespace std;
typedef pair<int,int> pii;
typedef pair<pii,pii> piipii;
const int N = 1e5;
const int MULT = 23;
inline int getNum(char x){
return x-'A';
}
inline pii getHash(string &s, int len){
int ret = 0;
for(int i=0;i<len;i++){
ret *= MULT;
ret += getNum(s[i]);
}
return make_pair(ret, len);
}
map<int,int> memoDep[N+5];
map<int,int> memoBel[N+5];
string li[N+5];
int n,m;
string pre[N+5], suf[N+5];
set<pii> isi;
set<int> dep, bel;
map<piipii, int> cnt;
int main(){
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n >> m;
for(int i=1;i<=n;i++){
cin >> li[i];
}
for(int i=1;i<=m;i++){
cin >> pre[i] >> suf[i];
reverse(suf[i].begin(), suf[i].end());
isi.insert(make_pair(pre[i].size(), suf[i].size()));
dep.insert(pre[i].size());
bel.insert(suf[i].size());
cnt[make_pair(getHash(pre[i], pre[i].size()), getHash(suf[i], suf[i].size()))] = 0;
}
for(int i=1;i<=n;i++){
int tmp = 0;
int prev = 0;
for(auto x: dep){
if(x > li[x].size()) break;
for(;prev<x;prev++){
tmp *= MULT;
tmp += getNum(li[i][prev]);
}
memoDep[i][x] = tmp;
}
}
for(int i=1;i<=n;i++){
int tmp = 0;
int prev = 0;
string tmps = li[i];
reverse(tmps.begin(), tmps.end());
for(auto x: bel){
if(x > li[i].size()) break;
for(;prev<x;prev++){
tmp *= MULT;
tmp += getNum(tmps[prev]);
}
memoBel[i][x] = tmp;
}
}
for(int i=1;i<=n;i++){
for(auto cand: isi){
if(cand.first > li[i].size() || cand.second > li[i].size()) continue;
piipii tmp = make_pair(make_pair(memoDep[i][cand.first], cand.first), make_pair(memoBel[i][cand.second], cand.second));
if(cnt.find(tmp) != cnt.end()) cnt[tmp]++;
}
}
for(int i=1;i<=m;i++){
cout << cnt[make_pair(getHash(pre[i], pre[i].size()), getHash(suf[i], suf[i].size()))] << endl;
}
return 0;
}
Compilation message
selling_rna.cpp: In function 'int main()':
selling_rna.cpp:52:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
52 | if(x > li[x].size()) break;
| ~~^~~~~~~~~~~~~~
selling_rna.cpp:67:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
67 | if(x > li[i].size()) break;
| ~~^~~~~~~~~~~~~~
selling_rna.cpp:78:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
78 | if(cand.first > li[i].size() || cand.second > li[i].size()) continue;
| ~~~~~~~~~~~^~~~~~~~~~~~~~
selling_rna.cpp:78:48: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
78 | if(cand.first > li[i].size() || cand.second > li[i].size()) continue;
| ~~~~~~~~~~~~^~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
10 ms |
19028 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
301 ms |
75172 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
84 ms |
24016 KB |
Output is correct |
| 2 |
Incorrect |
106 ms |
33292 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
10 ms |
19028 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
