Move problems to a folder and beautify main class

Author: ignacio-chiazzo

.vscode/settings.json

@@ -0,0 +1,9 @@
+{
+    "editor.tabSize": 4,
+    "[javascript]": {
+      "editor.tabSize": 2
+    },
+    "[json]": {
+      "editor.tabSize": 2
+    }
+}

CoinChange.js renamed to LeetcodeProblems/CoinChange.js

@@ -134,21 +134,21 @@ var min = function(a, b, c) {
 
 
 function main() {
-  console.log("-------------");
-  console.log("Approach 1")
-  console.log(coinChange1([], 3));
-  console.log(coinChange1([2], 3));
-  console.log(coinChange1([1, 2, 5], 11));
-  console.log(coinChange1([3,7,405,436], 8839));
-  // console.log(coinChange1([370,417,408,156,143,434,168,83,177,280,117], 9953)); takes forever
-
-  console.log("-------------");
-  console.log("Approach 2")
-  console.log(coinChange2([], 3));
-  console.log(coinChange2([2], 3));
-  console.log(coinChange2([1, 2, 5], 11));
-  console.log(coinChange2([3,7,405,436], 8839));
-  console.log(coinChange2([370,417,408,156,143,434,168,83,177,280,117], 9953));
+  // console.log("-------------");
+  // console.log("Approach 1")
+  // console.log(coinChange1([], 3));
+  // console.log(coinChange1([2], 3));
+  // console.log(coinChange1([1, 2, 5], 11));
+  // console.log(coinChange1([3,7,405,436], 8839));
+  // // console.log(coinChange1([370,417,408,156,143,434,168,83,177,280,117], 9953)); takes forever
+
+  // console.log("-------------");
+  // console.log("Approach 2")
+  // console.log(coinChange2([], 3));
+  // console.log(coinChange2([2], 3));
+  // console.log(coinChange2([1, 2, 5], 11));
+  // console.log(coinChange2([3,7,405,436], 8839));
+  // console.log(coinChange2([370,417,408,156,143,434,168,83,177,280,117], 9953));
 
   console.log("-------------");
   console.log("Approach 3")
@@ -158,4 +158,5 @@ function main() {
   console.log(coinChange3([3,7,405,436], 8839));
   console.log(coinChange3([370,417,408,156,143,434,168,83,177,280,117], 9953));
 }
-main();
+
+module.exports.main = main;

FloodFill.js renamed to LeetcodeProblems/FloodFill.js

@@ -92,5 +92,5 @@ function main() {
     console.log(`${elem}: ${generateParenthesesApproach2(elem)}`);
   })
 }
-main();
+
 module.exports.main = main

GenerateParentheses.js renamed to LeetcodeProblems/GenerateParentheses.js

@@ -89,4 +89,5 @@ var main = function(n) {
   printMatrixes(solveNQueens(5), 5);
   printMatrixes(solveNQueens(6), 6);
 }
-main();
+
+module.exports.main = main;

MaximunSubarray.js renamed to LeetcodeProblems/MaximunSubarray.js

@@ -60,20 +60,26 @@ class TicTacToe {
   }
 }
 
-ticTacToe = new TicTacToe();
-ticTacToe.isBoardFull();
-ticTacToe.addToken(0,1,"X");
-ticTacToe.printBoard();
-var iter = 0;
-while(iter < 8) {
-  ticTacToe.makeMove();
-  iter++;
+var main = function() {
+  console.log("TBD");
 }
 
-console.log("after 8 moves");
-ticTacToe.isBoardFull();
-ticTacToe.printBoard();
-ticTacToe.makeMove();
+module.exports.main = main;
+
+ticTacToe = new TicTacToe();
+// ticTacToe.isBoardFull();
+// ticTacToe.addToken(0,1,"X");
+// ticTacToe.printBoard();
+// var iter = 0;
+// while(iter < 8) {
+//   ticTacToe.makeMove();
+//   iter++;
+// }
+
+// console.log("after 8 moves");
+// ticTacToe.isBoardFull();
+// ticTacToe.printBoard();
+// ticTacToe.makeMove();
 
 // ticTacToe.printBoard();
 // ticTacToe.addToken(0,0,"X");

NQueens.js renamed to LeetcodeProblems/NQueens.js

@@ -1,22 +1,34 @@
-// Import
-var permutationWithoutDuplicates = require("./PermutationsWithoutDuplicates.js");
-var permutationWithDuplicates = require("./PermutationsWithDuplicates.js");
-var subsets = require("./Subsets.js");
-var generateParentheses = require("./GenerateParentheses.js")
-var maximunSubarray = require("./MaximunSubarray.js");
-var coinChange = require("./CoinChange.js");
-var nQueens = require("./NQueens.js");
-var uniquePaths = require("./UniquePaths.js");
-var floodFill = require("./FloodFill.js")
+const fs = require('fs');
 
-// Invocation
+const PROBLEMS_FOLDER = './LeetcodeProblems/';
+const REGEX_PATTERN_HIDDEN_FILES = /(^|\/)\.[^\/\.]/g;
 
-// permutationWithoutDuplicates.main();
-// permutationWithDuplicates.main();
-// subsets.main();
-// generateParentheses.main();
-// maximunSubarray.main();
-// coinChange.main();
-// nQueens.main();
-// uniquePaths.main();
-// floodFill.main();
+var main = async function() {
+	try {
+		const problems = await loadProblems();
+
+		for(i in problems) { 
+			console.log("Solving: " + problems[i] + ":");
+			const problem = require(PROBLEMS_FOLDER + problems[i]);
+			problem.main();
+			console.log("End of the solution for : " + problems[i] + ",\n\n");
+		}
+	} catch (error) {
+		throw new Error(error);
+	}
+}
+
+var loadProblems = () => {
+	return new Promise(function (resolve, reject) {
+		fs.readdir(PROBLEMS_FOLDER, (error, files) => {
+			if (error) {
+        reject(error);
+      } else {
+				problems = files.filter(item => !(REGEX_PATTERN_HIDDEN_FILES).test(item));
+			  resolve(problems);
+      }
+		})
+	});
+}
+
+main();