Attach NOTES - LeetHub

Author: nhemnt

97-interleaving-string/NOTES.md

@@ -0,0 +1,23 @@
+```
+let m1 = new Map();
+for(const str of s1){
+if(m1.has(str)) m1.set(str, m1.get(str) +1);
+else m1.set(str, 1);
+}
+for(const str of s2){
+if(m1.has(str)) m1.set(str, m1.get(str) +1);
+else m1.set(str, 1);
+}
+const m2 = new Map();
+for(const str of s3){
+if(m2.has(str)) m2.set(str, m2.get(str) +1);
+else m2.set(str, 1);
+}
+console.log({m1, m2});
+if(m1.size !== m2.size) return false;
+for(const [k,v] of m1){
+if(!m2.has(k)) return false;
+if(v !== m2.get(k)) return false;
+}
+return true;
+```