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A_Image.cpp
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43 lines (36 loc) · 1.1 KB
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#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef long double ld;
typedef string str;
typedef vector<ll> vll;
typedef vector<string> vs;
typedef vector<pair<ll, ll>> vpl;
typedef set<ll> sll;
typedef map<ll,ll> mll;
typedef pair<int,int> pint;
typedef pair<ll,ll> pll;
double pi = acos(-1.0);
#define debug(x) cerr<<#x<<" "<<x<<endl;
#define loop for(ll i=1; i<=n; i++)
#define all(a) (a).begin(), (a).end()
#define min3(a,b,c) min(a,min(b,c))
#define max3(a,b,c) max(a,max(b,c))
#define min4(a,b,c,d) min(a,min(b,min(c,d)));
#define max4(a,b,c,d) max(a,max(b,max(c,d)));
int main()
{
int t;
string s1,s2;
cin>>t;
while(t--)
{
cin>>s1;
cin>>s2;
set<char>st;
for(char ch:s1) st.insert(ch);
for(char ch:s2) st.insert(ch);
cout<<st.size()-1<<endl;
}
return 0;
}