44 lines
847 B
C++
44 lines
847 B
C++
|
#include <bits/stdc++.h>
|
||
|
|
using namespace std;
|
||
|
|
#ifdef ONLINE_JUDGE
|
||
|
|
#define dbg(...)
|
||
|
|
#else
|
||
|
|
#include "debug.h"
|
||
|
|
#endif
|
||
|
|
#define ll long long
|
||
|
|
#define endl '\n'
|
||
|
|
#define all(x) x.begin(), x.end()
|
||
|
|
#define sz(x) (int)(x).size()
|
||
|
|
#define yes cout << "YES" << endl
|
||
|
|
#define no cout << "NO" << endl
|
||
|
|
#define FAST (ios_base::sync_with_stdio(false), cin.tie(nullptr));
|
||
|
|
ll pow(ll x,ll y,ll m=1e9+7){ll ans=1;x%=m;while(y){if(y&1)ans=(ans*x)%m;x=(x*x)%m;y>>=1;}return ans;}
|
||
|
|
|
||
|
|
void solve()
|
||
|
|
{
|
||
|
|
int n,m;
|
||
|
|
string a,b;
|
||
|
|
cin>>n>>m>>a>>b;
|
||
|
|
int ans=0;
|
||
|
|
for(int i=0,j=0; i<n && j<m; ++j)
|
||
|
|
{
|
||
|
|
if(a[i]==b[j])
|
||
|
|
{
|
||
|
|
ans++;
|
||
|
|
i++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
cout<<ans<<endl;
|
||
|
|
}
|
||
|
|
|
||
|
|
signed main()
|
||
|
|
{
|
||
|
|
FAST;
|
||
|
|
int TCS = 1;
|
||
|
|
cin >> TCS;
|
||
|
|
for (int TC = 1; TC <= TCS; ++TC)
|
||
|
|
{
|
||
|
|
// cout<<"Case "<<TC<<": ";
|
||
|
|
solve();
|
||
|
|
}
|
||
|
|
}
|