[2002] 추월

Author: seohhh

Baekjoon/hyeonyoung/추월.cpp

@@ -0,0 +1,47 @@
+// 221229_BOJ_2002
+
+#include <iostream>
+#include <string>
+#include <vector>
+#include <map>
+
+using namespace std;
+
+int N, answer = 0;
+vector<string> E;
+map<string, int> S;
+
+int main()
+{
+    ios::sync_with_stdio(0);
+    cin.tie(0);
+
+    cin >> N;
+    for (int i = 0; i < N; ++i)
+    {
+        string str;
+        cin >> str;
+        S[str] = i;
+    }
+    for (int i = 0; i < N; ++i)
+    {
+        string str;
+        cin >> str;
+        E.push_back(str);
+    }
+
+    for (int i = 0; i < N; ++i)
+    {
+        for (int j = i + 1; j < N; ++j)
+        {
+            if (S[E[i]] > S[E[j]])
+            {
+                answer++;
+                break;
+            }
+        }
+    }
+    cout << answer;
+
+    return 0;
+}