add solutions and practice oop

Author: clingoram

javascript/LeetCode/math/3658.js

@@ -0,0 +1,37 @@
+/**
+ * 3658. GCD of Odd and Even Sums
+ * 
+ * GCD 是 最大公因數（Greatest Common Divisor）的縮寫，指的是能夠整除兩個或以上非零整數的最大正整數。 例如，8和12的最大公因數是4，因為4是8和12的公因數中最大的那個
+ *
+ * sumOdd = 從1開始，n個奇數的總和
+ * sumEven = 從1開始，n個偶數總和
+ * gcd(sumOdd,sumEven) = answer
+ * 
+ * @param {number} n
+ * @return {number}
+ */
+var gcdOfOddEvenSums = function(n) {
+  // ans 能夠整除sumOdd & sumEven
+  // let sumOdd = [],sumEven = [];
+  // for(let i = 1;i <= n*2;i++) {
+  //   if(i % 2 === 0 && sumOdd.length <= n){
+  //     sumEven.push(i);
+  //   }else{
+  //     sumOdd.push(i);
+  //   }
+  // }
+  // let odd = sumOdd.reduce((a,b)=>a+b,0);
+  // let even = sumEven.reduce((a,b)=>a+b,0);
+  // return Math.abs(odd-even);
+
+  // solution 2
+  let sumEven = n * (n + 1);
+  let sumOdd = n * n;
+  return Math.abs(sumOdd - sumEven);
+};
+let n = 4;
+// 4
+// Sum of the first 4 odd numbers sumOdd = 1 + 3 + 5 + 7 = 16
+// Sum of the first 4 even numbers sumEven = 2 + 4 + 6 + 8 = 20
+// Hence, GCD(sumOdd, sumEven) = GCD(16, 20) = 4.
+console.log(gcdOfOddEvenSums(n))

python/index.py

@@ -25,11 +25,15 @@
 # from file name(module) import the class.
 from oop.Animals import Animals
 from oop.Tortoises import Tortoises
+from oop.Lion import Lion
 
 greek = Tortoises("福氣","7個月大","veggie","地中海型陸龜")
 greek.eat()
 greek.environment()
 
+lion = Lion("獅子","未知","肉食")
+lion.environment()
+
 # from oop.Fruit import Fruit
 # from oop.Melon import Melon
 # fruits = Fruit("Apple",3,5)

python/oop/Animals.py

@@ -11,8 +11,10 @@ def eat(self):
         print(f"{self.name}","is",f"{self.food}")
 
     def environment(self):
-        print("it's depends on specice")
+        print("依據不同物種來評估適合的環境")
 
     def get_sick(self):
         self.__health_level -= 20
-        print(f"{self.name} 的健康值下降了。")
+        print(f"{self.name} 的健康值下降了。")
+
+    

python/oop/Lion.py

@@ -0,0 +1,11 @@
+from oop.Animals import Animals
+
+class Lion(Animals):
+    def __init__(self, name, age, food):
+        super().__init__(name, age, food)
+
+    def eat(self):
+        return super().eat()
+    
+    def environment(self):
+        print("溫暖")

python/oop/Tortoises.py

@@ -9,16 +9,27 @@ def __init__(self, name, age, food,speciceType:str):
     def eat(self):
         return super().eat()
 
+    
+    # 覆寫父類別的方法
     def environment(self):
-        env = {"沙漠型陸龜":"沙漠型陸龜需要較高的溫度熱點",
-               "地中海型陸龜":"有冬眠習性",
+        '''
+        環境
+        '''
+        env = {"沙漠型陸龜":"需要較高的溫度熱點",
+               "地中海型陸龜":"有冬眠習性，但會因為所在地溫度而不冬眠",
                "雨林型陸龜":"需要較高的濕度",
                "海島型陸龜":"需要較高的濕度"
                }
 
         for key, value in env.items():
-            if key in self.speciceType:
-                print(f"{key}: {value}")
+            try:
+                if key in self.speciceType:
+                    print(f"{key}: {value}")
+            except NameError:
+                print("eror")
 
     def hibernation(self):
+        '''
+        冬眠
+        '''
         print("if it's really cold")