update

Author: ncdhz

code/192.统计词频.sh

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+#
+# @lc app=leetcode.cn id=192 lang=bash
+#
+# [192] 统计词频
+#
+
+# @lc code=start
+# Read from the file words.txt and output the word frequency list to stdout.
+cat words.txt | tr -s ' ' '\n' | sort | uniq -c | sort -nr | awk '{print $2, $1}'
+# @lc code=end

code/744.寻找比目标字母大的最小字母.py

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+#
+# @lc app=leetcode.cn id=744 lang=python3
+#
+# [744] 寻找比目标字母大的最小字母
+#
+
+# @lc code=start
+class Solution:
+ def nextGreatestLetter(self, letters: List[str], target: str) -> str:
+ t = ord(target)
+ c = letters[0]
+ n = ord(c) - t
+ for letter in letters:
+ o = ord(letter) - t
+ if o > 0 and (o < n or n <= 0):
+ c = letter
+ n = o
+ return c
+# @lc code=end
+

code/746.使用最小花费爬楼梯.py

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+#
+# @lc app=leetcode.cn id=746 lang=python3
+#
+# [746] 使用最小花费爬楼梯
+#
+
+# @lc code=start
+class Solution:
+ def minCostClimbingStairs(self, cost: List[int]) -> int:
+ 
+# @lc code=end
+