#include <bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define ll int
#define TIME (1.0 * clock() / CLOCKS_PER_SEC)
typedef pair<ll,ll> ii;
const ll maxn=5e6+10;
ll n,m,tim[3];
string s[100010];
struct di
{
ll child[27],in,ou;
};
vector<ll> c[maxn];
di a[maxn],b[maxn];
void update(ll w)
{
string sa=s[w];;
ll u=0;
for (ll i=0;i<sa.size();i++)
{
if (a[u].child[sa[i]-'A'+1]==0)
{
a[u].child[sa[i]-'A'+1]=++tim[1];
a[tim[1]].in=w;
}
u=a[u].child[sa[i]-'A'+1];
a[u].ou=w;
}
u=0;
for (ll i=sa.size()-1;i>=0;i--)
{
if (b[u].child[sa[i]-'A'+1]==0)
{
b[u].child[sa[i]-'A'+1]=++tim[2];
}
u=b[u].child[sa[i]-'A'+1];
c[u].push_back(w);
}
}
void get (string sa,string sb)
{
ll u=0,ua=0;
for (ll i=0;i<sa.size();i++)
if (a[u].child[sa[i]-'A'+1]!=0) u=a[u].child[sa[i]-'A'+1]; else {cout<<"0";return;}
for (ll i=sb.size()-1;i>=0;i--)
if (b[ua].child[sb[i]-'A'+1]!=0) ua=b[ua].child[sb[i]-'A'+1]; else {cout<<"0";return;}
c[ua].push_back(1000000);
ll w=lower_bound(c[ua].begin(),c[ua].end(),a[u].in)-c[ua].begin();
ll wa=upper_bound(c[ua].begin(),c[ua].end(),a[u].ou)-c[ua].begin();
wa--;
if (w>wa) {cout<<"0";return;}
cout<<wa-w+1;
}
int main()
{
ios_base :: sync_with_stdio(0);
cin.tie(0),cout.tie(0);
cin>>n>>m;
for (ll i=1;i<=n;i++)
cin>>s[i];
sort (s+1,s+n+1);
for (ll i=1;i<=n;i++) update(i);
for (ll i=1;i<=m;i++)
{
cin>>s[1]>>s[2];
get (s[1],s[2]);
cout<<'\n';
}
}
Compilation message
selling_rna.cpp: In function 'void update(int)':
selling_rna.cpp:21:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
21 | for (ll i=0;i<sa.size();i++)
| ~^~~~~~~~~~
selling_rna.cpp: In function 'void get(std::string, std::string)':
selling_rna.cpp:49:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
49 | for (ll i=0;i<sa.size();i++)
| ~^~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
120920 KB |
Output is correct |
2 |
Correct |
25 ms |
121132 KB |
Output is correct |
3 |
Correct |
26 ms |
120924 KB |
Output is correct |
4 |
Correct |
25 ms |
120924 KB |
Output is correct |
5 |
Correct |
26 ms |
120924 KB |
Output is correct |
6 |
Correct |
25 ms |
120924 KB |
Output is correct |
7 |
Correct |
26 ms |
120924 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
215 ms |
410228 KB |
Output is correct |
2 |
Correct |
213 ms |
396928 KB |
Output is correct |
3 |
Correct |
102 ms |
360088 KB |
Output is correct |
4 |
Correct |
100 ms |
349316 KB |
Output is correct |
5 |
Correct |
186 ms |
439632 KB |
Output is correct |
6 |
Correct |
183 ms |
444240 KB |
Output is correct |
7 |
Correct |
69 ms |
137052 KB |
Output is correct |
8 |
Correct |
212 ms |
320892 KB |
Output is correct |
9 |
Correct |
166 ms |
290388 KB |
Output is correct |
10 |
Correct |
128 ms |
282192 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
51 ms |
122056 KB |
Output is correct |
2 |
Correct |
42 ms |
122504 KB |
Output is correct |
3 |
Correct |
44 ms |
122192 KB |
Output is correct |
4 |
Correct |
39 ms |
121844 KB |
Output is correct |
5 |
Correct |
43 ms |
122448 KB |
Output is correct |
6 |
Correct |
48 ms |
122296 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
120920 KB |
Output is correct |
2 |
Correct |
25 ms |
121132 KB |
Output is correct |
3 |
Correct |
26 ms |
120924 KB |
Output is correct |
4 |
Correct |
25 ms |
120924 KB |
Output is correct |
5 |
Correct |
26 ms |
120924 KB |
Output is correct |
6 |
Correct |
25 ms |
120924 KB |
Output is correct |
7 |
Correct |
26 ms |
120924 KB |
Output is correct |
8 |
Correct |
215 ms |
410228 KB |
Output is correct |
9 |
Correct |
213 ms |
396928 KB |
Output is correct |
10 |
Correct |
102 ms |
360088 KB |
Output is correct |
11 |
Correct |
100 ms |
349316 KB |
Output is correct |
12 |
Correct |
186 ms |
439632 KB |
Output is correct |
13 |
Correct |
183 ms |
444240 KB |
Output is correct |
14 |
Correct |
69 ms |
137052 KB |
Output is correct |
15 |
Correct |
212 ms |
320892 KB |
Output is correct |
16 |
Correct |
166 ms |
290388 KB |
Output is correct |
17 |
Correct |
128 ms |
282192 KB |
Output is correct |
18 |
Correct |
51 ms |
122056 KB |
Output is correct |
19 |
Correct |
42 ms |
122504 KB |
Output is correct |
20 |
Correct |
44 ms |
122192 KB |
Output is correct |
21 |
Correct |
39 ms |
121844 KB |
Output is correct |
22 |
Correct |
43 ms |
122448 KB |
Output is correct |
23 |
Correct |
48 ms |
122296 KB |
Output is correct |
24 |
Correct |
216 ms |
360128 KB |
Output is correct |
25 |
Correct |
227 ms |
360736 KB |
Output is correct |
26 |
Correct |
219 ms |
357312 KB |
Output is correct |
27 |
Correct |
102 ms |
318544 KB |
Output is correct |
28 |
Correct |
172 ms |
167648 KB |
Output is correct |
29 |
Correct |
90 ms |
130156 KB |
Output is correct |