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(let ((default-font (font-spec :name "Ubuntu Mono" :size 15))
      (cn-font (font-spec :name "Sarasa Mono SC")))
  (set-frame-font default-font)
  (dolist (charset '(kana han symbol cjk-misc bopomofo))
    (set-fontset-font t charset cn-font)))

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Common Lisp Persecode

Shortest Path(最短路径)

BFS(广度优先算法)

1. 遍历当前节点距离为1的邻接节点
2. 存在目的节点，搜索结束
3. 如果不为目的节点，将邻接节点周围距离为1的节点加入带检查的节点队列中
4. 对待检查节点中的节点运用重复步骤1

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import random
import operator
import argparse

from collections import defaultdict


def count(usernames, iter_times):
    result = defaultdict(lambda: 0)
    for _ in range(0, iter_times):

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public class LineReader {
  public static List<String> splitCSV(String str, char delimiter, char escape) {
        boolean isClose = true;
        boolean isEscaped = false;

        List<String> result = new ArrayList<String>();
        StringBuilder sb = new StringBuilder();

        for (char c : str.toCharArray()) {
            if (c == delimiter) {

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function levenshteinDistance(strA, strB) {
  // Function to calculate levenshtein distance of two string
  // Algorithm description: http://en.wikipedia.org/wiki/Levenshtein_distance

  if (strA == strB) { return 0; }
  if (!strA || !strB) { return strA.length || strB.length; }

  var distance = [], lenA = strA.length, lenB = strB.length;

  for (var i=0; i <= lenA; i++) { distance[i] = [i]; }