黄哥所写的python代码

likepython · likepython · commit cb1ff50ae5c3 · 2016-02-16T08:41:45.000+08:00
diff --git a/python/python_answer_array.md b/python/python_answer_array.md
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+#用python写一个程序，找出数组中差值为K的数共有几对
+##知乎上有人问“用python写一个程序，找出数组中差值为K的数共有几对”
+
+[点击黄哥python培训试看视频播放地址](https://github.com/pythonpeixun/article/blob/master/python_shiping.md)
+
+[黄哥python远程视频培训班](https://github.com/pythonpeixun/article/blob/master/index.md)
+
+
+
+    #coding:utf-8
+    """
+
+    用python写一个程序，找出数组中差值为K的数共有几对
+
+
+
+    示例：
+
+    差值k=4 and 数组是[7, 6, 23,19,10,11, 9, 3, 15]
+
+    这样的结果是(7,11) (7,3) (6,10) (19,23) (15,19) (15,11) 共6对
+
+
+
+    从标准输入读入两行数据
+
+    5 2
+
+    1 5 3 4 2
+
+
+
+    第一行代表N和K, N是数组是一共有多少数字，K是所要求的差值
+
+    第二是数组，空白分格
+
+
+
+    输出到标准输出
+
+
+
+
+
+    Sample Input #00:
+
+    5 2
+
+    1 5 3 4 2
+
+    Sample Output #00:
+
+    3
+
+    Sample Input #01:
+
+    10 1
+
+    363374326 364147530 61825163 1073065718 1281246024 1399469912 428047635 491595254 879792181 1069262793
+
+    Sample Output #01:
+
+    0
+
+    """
+
+
+
+    def diff_of_element_list(lst, k):
+
+            """黄哥python远程视频培训班
+
+            https://github.com/pythonpeixun/article/blob/master/index.md
+
+
+
+            黄哥python培训试看视频播放地址
+
+            https://github.com/pythonpeixun/article/blob/master/python_shiping.md
+
+            """
+
+            newlst = [i + k for i in lst]
+
+            return len(set(lst) & set(newlst))
+
+
+
+    if __name__ == '__main__':
+
+            lst = [7, 6, 23,19,10,11, 9, 3, 15]
+
+            k = 4
+
+            print(diff_of_element_list(lst, k))
+
+            lst = [1,5, 3, 4, 2]
+
+            k = 2
+
+            print(diff_of_element_list(lst, k))
+
+
+
+            n, k = input("please input n and k:\n").split()
+
+            lst = input("plesae input {0} number:\n".format(n)).split()
+
+            lst = [int(i) for i in lst]
+
+            print(diff_of_element_list(lst, int(k)))
