120 lines
2.5 KiB
C++
120 lines
2.5 KiB
C++
/* Problem URL: https://codeforces.com/contest/1000/problem/A */
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#include <bits/stdc++.h>
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#include <ext/pb_ds/assoc_container.hpp>
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#include <ext/pb_ds/tree_policy.hpp>
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using namespace std;
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using namespace __gnu_pbds;
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template <class T, class comp = less<>>
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using ordered_set = tree<T, null_type , comp , rb_tree_tag , tree_order_statistics_node_update>;
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#define V vector
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#define rmin(a, b) a = min(a, b)
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#define rmax(a, b) a = max(a, b)
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#define rep(i, lim) for (int i = 0; i < (lim); i++)
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#define nrep(i, s, lim) for (int i = s; i < (lim); i++)
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#define repv(i, v) for (auto &i : (v))
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#define fillv(v) for (auto &itr_ : (v)) { cin >> itr_; }
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#define sortv(v) sort(v.begin(), v.end())
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#define all(v) (v).begin(), (v).end()
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using vi = vector<int>;
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using vvi = vector<vi>;
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using vvvi = vector<vvi>;
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using vvvvi = vector<vvvi>;
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using ll = long long;
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using vl = vector<ll>;
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using vvl = vector<vl>;
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using vvvl = vector<vvl>;
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using vvvvl = vector<vvvl>;
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template<class v>
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auto operator<<(ostream &os, const vector<v> &vec)->ostream& {
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os << vec[0];
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for (size_t i = 1; i < vec.size(); i++) {
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os << ' ' << vec[i];
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}
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os << '\n';
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return os;
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}
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template<class v>
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auto operator>>(istream &is, vector<v> &vec)->istream& {
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for (auto &i : vec) {
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is >> i;
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}
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return is;
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}
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template<class v>
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auto operator<<(ostream &os, const vector<vector<v>> &vec)->ostream& {
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for (auto &i : vec) {
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os << i[0];
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for (size_t j = 1; j < i.size(); j++) {
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os << ' ' << i[j];
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}
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os << '\n';
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}
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return os;
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}
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template<class v>
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auto operator>>(istream &is, vector<vector<v>> &vec)->istream& {
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for (auto &i : vec) {
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for (auto &j : i) {
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is >> j;
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}
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}
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return is;
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}
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int main()
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{
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ios::sync_with_stdio(false);
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cin.tie(nullptr);
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int n;
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cin >> n;
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V<string> one(n);
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V<string> two(n);
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cin >> one >> two;
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vvi count1(4, vi(3));
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vvi count2(4, vi(3));
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auto pos = [&](char op) {
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map<char, int> var;
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var['M'] = 0;
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var['S'] = 1;
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var['L'] = 2;
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return var[op];
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};
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rep(i, n) {
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count1[one[i].size() - 1][pos(one[i].back())]++;
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count2[two[i].size() - 1][pos(two[i].back())]++;
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}
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int ans = 0;
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rep(i, 4) {
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count2[i][0] -= min(count1[i][0], count2[i][0]);
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count2[i][1] -= min(count1[i][1], count2[i][1]);
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count2[i][2] -= min(count1[i][2], count2[i][2]);
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ans += count2[i][0] + count2[i][1] + count2[i][2];
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}
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cout << ans << '\n';
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}
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