【leetcode】14. Longest Common Prefix
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Write a function to find the longest common prefix string amongst an array of strings.
/** * @param {string[]} strs * @return {string} */var longestCommonPrefix = function(strs) { var ll = strs.length; if(ll===0){ return ""; } var common = strs[0]; for(var i=1;i<ll;i++){ var lc = common.length; var curstr = strs[i]; var ln = curstr.length; var min = Math.min(ln,lc); var tempstr = ""; for(var j=0;j<min;j++){ if(curstr[j]===common[j]){ tempstr += common[j]; }else{ break; } } common = tempstr; } return common;}; 0 0
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