feat(codeforces): add solution template for p2190A

Author: lzwjava

src/main/java/com/lzw/solutions/codeforces/p2190A/Main.java

@@ -0,0 +1,40 @@
+package com.lzw.solutions.codeforces.p2190A;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.PrintWriter;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.StringTokenizer;
+
+public class Main {
+
+    BufferedReader in;
+    PrintWriter out;
+
+    Main() {
+        in = new BufferedReader(new InputStreamReader(System.in));
+        out = new PrintWriter(System.out);
+    }
+
+    void solve() throws IOException {
+
+    }
+
+    void close() throws IOException {
+        if (in != null) {
+            in.close();
+        }
+        if (out != null) {
+            out.flush();
+            out.close();
+        }
+    }
+
+    public static void main(String[] args) throws Exception {
+        Main main = new Main();
+        main.solve();
+        main.close();
+    }
+}