feat: add solutions to lc problem: No.1688

No.1688.Count of Matches in Tournament

Author: yanglbme

solution/1600-1699/1688.Count of Matches in Tournament/README.md

@@ -48,27 +48,65 @@
 	<li><code>1 &lt;= n &lt;= 200</code></li>
 </ul>
 
-
 ## 解法
 
 <!-- 这里可写通用的实现逻辑 -->
 
+n 个人比赛，最终淘汰 n - 1 个人，所以配对次数是 n - 1。
+
 <!-- tabs:start -->
 
 ### **Python3**
 
 <!-- 这里可写当前语言的特殊实现逻辑 -->
 
 ```python
-
+class Solution:
+    def numberOfMatches(self, n: int) -> int:
+        return n - 1
 ```
 
 ### **Java**
 
 <!-- 这里可写当前语言的特殊实现逻辑 -->
 
 ```java
+class Solution {
+    public int numberOfMatches(int n) {
+        return n - 1;
+    }
+}
+```
+
+### **C++**
+
+```cpp
+class Solution {
+public:
+    int numberOfMatches(int n) {
+        return n - 1;
+    }
+};
+```
+
+### **Go**
+
+```go
+func numberOfMatches(n int) int {
+	return n - 1
+}
+```
+
+### **JavaScript**
 
+```js
+/**
+ * @param {number} n
+ * @return {number}
+ */
+var numberOfMatches = function (n) {
+  return n - 1;
+};
 ```
 
 ### **...**

solution/1600-1699/1688.Count of Matches in Tournament/README_EN.md

@@ -46,21 +46,57 @@ Total number of matches = 7 + 3 + 2 + 1 = 13.
 	<li><code>1 &lt;= n &lt;= 200</code></li>
 </ul>
 
-
 ## Solutions
 
 <!-- tabs:start -->
 
 ### **Python3**
 
 ```python
-
+class Solution:
+    def numberOfMatches(self, n: int) -> int:
+        return n - 1
 ```
 
 ### **Java**
 
 ```java
+class Solution {
+    public int numberOfMatches(int n) {
+        return n - 1;
+    }
+}
+```
+
+### **C++**
+
+```cpp
+class Solution {
+public:
+    int numberOfMatches(int n) {
+        return n - 1;
+    }
+};
+```
+
+### **Go**
+
+```go
+func numberOfMatches(n int) int {
+	return n - 1
+}
+```
+
+### **JavaScript**
 
+```js
+/**
+ * @param {number} n
+ * @return {number}
+ */
+var numberOfMatches = function(n) {
+    return n - 1;
+};
 ```
 
 ### **...**

solution/1600-1699/1688.Count of Matches in Tournament/Solution.cpp

@@ -0,0 +1,6 @@
+class Solution {
+public:
+    int numberOfMatches(int n) {
+        return n - 1;
+    }
+};

solution/1600-1699/1688.Count of Matches in Tournament/Solution.go

@@ -0,0 +1,3 @@
+func numberOfMatches(n int) int {
+	return n - 1
+}

solution/1600-1699/1688.Count of Matches in Tournament/Solution.java

@@ -0,0 +1,5 @@
+class Solution {
+    public int numberOfMatches(int n) {
+        return n - 1;
+    }
+}

solution/1600-1699/1688.Count of Matches in Tournament/Solution.js

@@ -0,0 +1,7 @@
+/**
+ * @param {number} n
+ * @return {number}
+ */
+var numberOfMatches = function(n) {
+    return n - 1;
+};

solution/1600-1699/1688.Count of Matches in Tournament/Solution.py

@@ -0,0 +1,3 @@
+class Solution:
+    def numberOfMatches(self, n: int) -> int:
+        return n - 1