function CountCharactersNeedToBeRemovedForAnagram(str1 : string, str2 : string) {
const TotalABCLetters = 26;
let count1 : number[] = Array(TotalABCLetters).fill(0);
let count2 : number[] = Array(TotalABCLetters).fill(0);
const size1 : number = str1.length;
const size2 : number = str2.length;
// count char frequency str1
for (let i : number = 0; i < size1; i++) {
count1[str1.charAt(i).charCodeAt(0) - 'a'.charCodeAt(0)]++;
}
// count char frequency str2
for (let i : number = 0; i < size2; i++) {
count2[str2.charAt(i).charCodeAt(0) - 'a'.charCodeAt(0)]++;
}
let result : number = 0;
for (let i : number = 0; i < TotalABCLetters; i++) {
result += Math.abs(count1[i] - count2[i]);
}
return result;
}
const str1 = "masterfx";
const str2 = "ksampret";
console.log(CountCharactersNeedToBeRemovedForAnagram(str1, str2));
/*
run:
4
*/
