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37 lines
878 B
TypeScript
37 lines
878 B
TypeScript
// export function isIsomorphic(s: string, t: string): boolean {
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// let ht: Record<string, string> = {};
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// let ht2: Record<string, string> = {};
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// if (s.length !== t.length) return false;
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// for (let [index, key] of Object.entries(s)) {
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// const currentValue = t[index];
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// if (key in ht && currentValue !== ht[key]) return false;
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// if (currentValue in ht2 && key !== ht2[currentValue]) return false;
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// ht[key] = currentValue;
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// ht2[currentValue] = key;
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// }
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// return true;
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// }
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// etalon
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export function isIsomorphic(s: string, t: string): boolean {
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let sMap = {};
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let tMap = {};
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for (let i = 0; i < s.length; i++) {
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if (sMap[s[i]] && sMap[s[i]] !== t[i]) {
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return false;
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}
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if (tMap[t[i]] && tMap[t[i]] !== s[i]) {
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return false;
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}
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sMap[s[i]] = t[i];
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tMap[t[i]] = s[i];
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}
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return true;
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}
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