Update samples with correct headers; Other improvements

Author: ArjArav98

samples/initialising_grid_from_file.cpp

@@ -1,7 +1,8 @@
+/* Copyright 2023 Arjun Aravind */
 /* A basic example. */
 
 #include<iostream>
-#include"../src/sudoku_suite.h"
+#include"../src/sudoku_solver.h"
 
 int main() {
     sudoku::Grid grid;

samples/initialising_grids.cpp

@@ -1,7 +1,8 @@
+/* Copyright 2023 Arjun Aravind */
 /* A basic example. */
 
 #include<iostream>
-#include"../src/sudoku_suite.h"
+#include"../src/grid.h"
 
 int main() {
     // Method 1: Use the constructor and pass in a
@@ -18,7 +19,7 @@ int main() {
         {{ 0, 2, 8, 0, 0, 0, 0, 0, 0 }}
     }});
     std::cout << grid << std::endl;
-    
+
     // Method 2: Declare a 2D array and pass it
     // into the set_initial_state() method.
 
@@ -38,7 +39,7 @@ int main() {
 
     // Method 3: Read the initial state of the puzzle
     // from a file.
-    
+
     grid.set_initial_state_from_file("samples/sample1.txt");
     std::cout << grid << std::endl;
 

samples/operations_on_grid_objects.cpp

@@ -1,10 +1,10 @@
+/* Copyright 2023 Arjun Aravind */
 /* A basic example. */
 
 #include<iostream>
-#include"../src/sudoku_suite.h"
+#include"../src/grid.h"
 
 int main() {
-
     sudoku::Grid sample_grid_1({{
         {{ 1, 7, 2, 5, 4, 9, 6, 8, 3 }},
         {{ 6, 4, 5, 8, 7, 3, 2, 1, 9 }},
@@ -16,7 +16,7 @@ int main() {
         {{ 7, 3, 1, 6, 8, 2, 5, 9, 4 }},
         {{ 5, 2, 8, 9, 3, 4, 1, 6, 7 }}
     }});
-    
+
     sudoku::Grid sample_grid_2({{
         {{ 1, 7, 2, 5, 4, 9, 6, 8, 3 }},
         {{ 6, 4, 5, 8, 7, 3, 2, 1, 9 }},

samples/sudoku_generator.cpp

@@ -1,7 +1,8 @@
+/* Copyright 2023 Arjun Aravind */
 /* A basic example. */
 
 #include<iostream>
-#include"../src/sudoku_suite.h"
+#include"../src/sudoku_generator.h"
 
 int main() {
     sudoku::Grid grid = sudoku::generate_puzzle();

samples/sudoku_solver.cpp

@@ -1,11 +1,13 @@
+/* Copyright 2023 Arjun Aravind */
 /* A basic example. */
 
 #include<iostream>
-#include"../src/sudoku_suite.h"
+#include"../src/sudoku_solver.h"
+#include"../src/sudoku_validator.h"
 
 int main() {
     sudoku::Grid grid({{
-        {{ 0, 0, 0, 0, 0, 0, 6, 8, 0 }}, // The 0s represent blank cells.
+        {{ 0, 0, 0, 0, 0, 0, 6, 8, 0 }},  // The 0s represent blank cells.
         {{ 0, 0, 0, 0, 7, 3, 0, 0, 9 }},
         {{ 3, 0, 9, 0, 0, 0, 0, 4, 5 }},
         {{ 4, 9, 0, 0, 0, 0, 0, 0, 0 }},
@@ -18,9 +20,13 @@ int main() {
 
     sudoku::solve(&grid);
 
-    std::cout << "Solution is valid? --> ";
-    std::cout << sudoku::is_valid_solution(grid) << std::endl;
     std::cout << grid << std::endl;
 
+    if (sudoku::is_valid_solution(grid)) {
+        std::cout << "Solution is valid!\n";
+    } else {
+        std::cout << "DEFCON 4! Something isn't working.\n";
+    }
+
     return 0;
 }