Create Solution.js

Author: 07subhadip

solution/3100-3199/3163.String Compression III/Solution.js

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+/**
+ * @param {string} word
+ * @return {string}
+ */
+var compressedString = function(word) {
+    const ans = [];
+    const n = word.length;
+    for (let i = 0; i < n;) {
+        let j = i + 1;
+        while (j < n && word[j] === word[i]) {
+            ++j;
+        }
+        let k = j - i;
+        while (k) {
+            const x = Math.min(k, 9);
+            ans.push(x + word[i]);
+            k -= x;
+        }
+        i = j;
+    }
+    return ans.join('');
+};