29 lines
740 B
JavaScript
29 lines
740 B
JavaScript
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var input = require("fs").readFileSync("input.txt").toString().replace(/\n/g, "").replace(/\r/g, "");
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function lenStr(str){
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var parts = [];
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while(str.length > 0){
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if(str[0] == "("){
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var len = str.match(/(\(([0-9]+)x([0-9]+)\)).*/);
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parts.push(str.slice(0, len[1].length + parseInt(len[2])));
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str = str.slice(len[1].length + parseInt(len[2]));
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}
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else{
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parts.push(str[0]);
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str = str.slice(1);
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}
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}
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parts = parts.map(function(part){
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if(part[0] == "("){
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var len = part.match(/(\(([0-9]+)x([0-9]+)\))(.*)/);
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return parseInt(len[3]) * lenStr(len[4]);
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}
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else{
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return part.length;
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}
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});
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return parts.reduce((a, b)=>(a + b));
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}
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console.log(lenStr(input));
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