smoky

Add solution and test-cases for problem 2392

Add solution and test-cases for problem 1605

Add solution and test-cases for problem 1106

Add solution and test-cases for problem 1475

Add solution and test-cases for problem 726

Add solution and test-cases for problem 2751

Add solution and test-cases for problem 1190

Add solution and test-cases for problem 1598

Add solution and test-cases for problem 1701

Add solution and test-cases for problem 1418