16 lines
329 B
JavaScript
16 lines
329 B
JavaScript
var input = require("fs").readFileSync("input.txt").toString();
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var replaced = input.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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console.log(replaced.length);
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