leetcode-14-Longest Common Prefix
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1.说明:
题目要求找出一个字符串数组中的所有字符串的最长前缀。
2.代码:
/** * @param {string[]} strs * @return {string} */var longestCommonPrefix = function (strs) { var result = ''; var breakFlag = false; var curStr = ''; var i = j = 0; if (!strs.length) { return result; } while (true) { if (i > strs[0].length - 1) { break; } curStr = strs[0][i]; for (j = 0; j < strs.length; j++) { if (strs[j][i] !== curStr || i > strs[j].length - 1) { breakFlag = true; break; } else if (j === strs.length - 1) { result += strs[j][i]; } } if (breakFlag) { break; } i++; } return result;};
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