C - Route Map

https://atcoder.jp/contests/abc236/submissions/28733433

AtCoder/ABC236/C/C.cpp

@@ -0,0 +1,26 @@
+#include <iostream>
+#include <map>
+#include <string>
+
+using std::cin;
+using std::cout;
+using std::endl;
+
+int n, m;
+std::string s[100005], a;
+std::map<std::string, bool> map;
+
+int main() {
+    cin >> n >> m;
+    for (int i = 1; i <= n; i++) {
+        cin >> s[i];
+    }
+    for (int i = 1; i <= m; i++) {
+        cin >> a;
+        map[a] = true;
+    }
+    for (int i = 1; i <= n; i++) {
+        cout << (map[s[i]] ? "Yes" : "No") << endl;
+    }
+    return 0;
+}