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Forked from Angelfire/stringReduction.js
Created May 1, 2022 09:23
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String Reduction
function getMinDeletions(s) {
const ordered_string = s.split('').sort().join('');
let delCount = 0;
for (let i = 0; i < ordered_string.length; i++) {
if (ordered_string[i] === ordered_string[i + 1]) {
delCount++;
}
}
return delCount;
}
function getMinDeletionsSet(str){
let strSet = new Set(str);
return str.length - strSet.size;
}
function getMinDeletionsArrayFrom(str) {
const sortedStr= Array.from(str).sort();
let delCount = 0;
for (let i = 0; i < sortedStr.length; i++) {
if (sortedStr[i] === sortedStr[i + 1]) {
delCount++;
}
}
return delCount;
}
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