func_code_string: #include <bits/stdc++.h>   using namespace std;   string a[100], b[100];   map<string, int> m;   int n, s;   int main(void) {     scanf( %d , &n);     for (int i = 0; i < n; i++) {       cin >> a[i];       m[a[i]]++;     }     for (int i = 0; i < n; i++) {       cin >> b[i];       m[b[i]]--;     }     s += abs(m[ S ]);     s += abs(m[ M ]);     s += abs(m[ L ]);     s += abs(m[ XS ]);     s += abs(m[ XXS ]);     s += abs(m[ XXXS ]);     s += abs(m[ XL ]);     s += abs(m[ XXL ]);     s += abs(m[ XXXL ]);     cout << s / 2;     return 0;   }   