added solutions

Author: manishbisht

.gitignore

@@ -7,3 +7,4 @@
 #Jupyter Notebook checkpoints
 .ipynb_checkpoints
 package-lock.json
+node_modules

.prettierrc

@@ -0,0 +1,8 @@
+{
+    "arrowParens": "avoid",
+    "singleQuote": false,
+    "semi": true,
+    "printWidth": 120,
+    "useTabs": false,
+    "tabWidth": 4
+}

Algorithms/Dynamic Programming/README.md

@@ -0,0 +1,13 @@
+/**
+ * @param { (...args: any[]) => any } fn
+ * @returns { (...args: any[]) => any }
+ */
+function curry(fn) {
+    return function curried(...args) {
+        if (args.length >= fn.length) {
+            return fn(...args);
+        }
+
+        return (...rest) => curried(...args, ...rest);
+    };
+}

BFE.dev/1. implement curry().js

@@ -0,0 +1,19 @@
+/**
+ * @param { (...args: any[]) => any } fn
+ * @returns { (...args: any[]) => any }
+ */
+function curry(fn) {
+    return function curried(...args) {
+        const filteredArgs = args.slice(0, fn.length).filter(item => item !== curry.placeholder);
+        if (filteredArgs.length >= fn.length) {
+            return fn(...filteredArgs);
+        }
+
+        return (...rest) => {
+            const updatedArgs = args.map(item => (item === curry.placeholder && rest.length ? rest.shift() : item));
+            return curried(...updatedArgs, ...rest);
+        };
+    };
+}
+
+curry.placeholder = Symbol();

BFE.dev/2. implement curry() with placeholder support.js

@@ -0,0 +1,13 @@
+/**
+ * @param { Array } arr
+ * @param { number } depth
+ * @returns { Array }
+ */
+function flat(arr, depth = 1) {
+    return arr.reduce((acc, item) => {
+        if (depth && Array.isArray(item)) {
+            return [...acc, ...flat(item, depth - 1)];
+        }
+        return [...acc, item];
+    }, []);
+}

BFE.dev/3. implement Array.prototype.flat().js

@@ -4,16 +4,15 @@ const rl = readline.createInterface(process.stdin, process.stdout);
 let lineNo = 0;
 let testCases;
 
-const parseProblem = (line) => {
-    if (lineNo === 0 ) {
-        testCases = parseInt(line)
+const parseProblem = line => {
+    if (lineNo === 0) {
+        testCases = parseInt(line);
     }
     lineNo++;
 };
 
-rl.on('line', function (line) {
+rl.on("line", function (line) {
     // console.log('Line number: ' + line);
     if (lineNo === 0) {
-
     }
-});
+});