22 lines
563 B
JavaScript
22 lines
563 B
JavaScript
var input = require("fs").readFileSync("input.txt").toString().replace("\n", "");
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replace = str=>(str.split("").filter(a=>(a!="\n")).reduce((a,b)=>{
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var c = a.pop();
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if(c){
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if(!((b!=c) && (b.toLowerCase()==c.toLowerCase()))){
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a.push(c);
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a.push(b);
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}
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}
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else{
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a.push(b);
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}
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return a;
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}, []).join(""));
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var strs = [];
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for(var i = 0; i < 26; i++){
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strs.push(input.split("").filter((a)=>(a.toLowerCase().charCodeAt(0) != (97 + i))).join(""));
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}
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var lengths = strs.map(a=>(replace(a))).map(a=>(a.length));
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console.log(Math.min.apply(null, lengths));
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