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Valid Anagram
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valid-anagram/sounmind.ts

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function isAnagram(s: string, t: string): boolean {
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if (s.length !== t.length) {
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return false;
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}
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const frequencyMap = {};
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for (const letter of s) {
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if (frequencyMap[letter]) {
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frequencyMap[letter] += 1;
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} else {
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frequencyMap[letter] = 1;
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}
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}
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for (const letter of t) {
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if (frequencyMap[letter]) {
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frequencyMap[letter] -= 1;
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} else {
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return false;
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}
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}
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return true;
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}

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