From 2c2668d4ada89b741f606c27fccad13678962bd9 Mon Sep 17 00:00:00 2001
From: psoyatper <wzb0921@qq.com>
Date: Tue, 31 Oct 2023 16:23:15 +0800
Subject: [PATCH] Update complement.c

---
 complement.c | 331 +++++++++++++++++++++++++--------------------------
 1 file changed, 161 insertions(+), 170 deletions(-)

diff --git a/complement.c b/complement.c
index 66f88ce..656f567 100644
--- a/complement.c
+++ b/complement.c
@@ -1,171 +1,162 @@
-#include <stdio.h>
-#include <stdbool.h>
-#include <stdlib.h>
-#include <time.h>
-
-void shuffleArray(int array[], int size) {
-    for (int i = size - 1; i > 0; i--) {
-        int j = rand() % (i + 1);
-        int temp = array[i];
-        array[i] = array[j];
-        array[j] = temp;
-    }
-}
-
-
-void create(int board[9][9]){
-    srand(time(NULL)); 
-    int index = 0;
-    for (int r = 0; r < 9; r+=3){
-        int nums[9] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
-        shuffleArray(nums, 9);
-        for (int i = r; i < r+3; i++) {
-            for (int j = 0; j < 9; j += 3) {
-                board[i][j] = nums[index++];
-                if (index >= 9) {
-                    index = 0;
-            }
-        }
-    }
-    }
-    for(int j = 0;j < 9;j++){
-       shuffleArray(board[j], 9);
-    }
-}
-
-
-bool check(int matrix[9][9]) {
-
-    for (int i = 0; i < 9; i++) {
-        int count[10] = {0}; 
-        for (int j = 0; j < 9; j++) {
-            int num = matrix[i][j];
-            if (num != 0) {
-                count[num]++;
-                if (count[num] > 1) {
-                    printf("False: The number %d in the row %d has been used!\n", num, i + 1);
-                    return false;
-                }
-            }
-        }
-    }
-
-
-    for (int j = 0; j < 9; j++) {
-        int count[10] = {0};
-        for (int i = 0; i < 9; i++) {
-            int num = matrix[i][j];
-            if (num != 0) {
-                count[num]++;
-                if (count[num] > 1) {
-                    printf("False: The number %d in the col %d has been used!\n", num, j + 1);
-                    return false;
-                }
-            }
-        }
-    }
-
-    for (int block = 0; block < 9; block++) {
-        int count[10] = {0};
-        int startRow = (block / 3) * 3;
-        int startCol = (block % 3) * 3;
-        for (int i = startRow; i < startRow + 3; i++) {
-            for (int j = startCol; j < startCol + 3; j++) {
-                int num = matrix[i][j];
-                if (num != 0) {
-                    count[num]++;
-                    if (count[num] > 1) {
-                        printf("False: The number %d in the block %d has been used!\n", num, block + 1);
-                        return false;
-                    }
-                }
-            }
-        }
-    }
-
-    printf("True: Valid initial Sudoku matrix!\n");
-}
-
-
-bool complement(int board[9][9], int row, int col) {
-    if (row == 9) {
-        return true;
-    }
-    if (board[row][col] != 0) {
-        if (col == 8) {
-            return complement(board, row + 1, 0);
-        } else {
-            return complement(board, row, col + 1);
-        }
-    }
-    for (int num = 1; num <= 9; num++) {
-        bool valid = true;
-        for (int i = 0; i < 9; i++) {
-            
-            if (board[row][i] == num || board[i][col] == num ||
-                board[(row / 3) * 3 + i / 3][(col / 3) * 3 + i % 3] == num) {
-                valid = false;
-                break;
-            }
-        }
-        if (valid) {
-            board[row][col] = num;
-            if (col == 8) {
-                if (complement(board, row + 1, 0)) {
-                    return true;
-                }
-            } else {
-                if (complement(board, row, col + 1)) {
-                    return true;
-                }
-            }
-            board[row][col] = 0;
-        }
-    }
-    return false;
-}
-
-
-void printSudokuSolution(int matrix[9][9]) {
-    printf("The solution of Sudoku matrix:\n");
-    for (int i = 0; i < 9; i++) {
-        for (int j = 0; j < 9; j++) {
-            printf("%d ", matrix[i][j]);
-        }
-        printf("\n");
-    }
-}
-
-
-void output(int board[9][9]){
-    int i;
-    for(i = 0;i < 9 ;i++){
-        if(i %3 == 0){
-            printf("|-----------------------|\n");
-        }
-        printf("| %d %d %d | %d %d %d | %d %d %d |\n",
-        board[i][0],board[i][1],board[i][2],board[i][3],board[i][4],board[i][5],board[i][6],board[i][7],board[i][8]);
-    }
-    printf("|-----------------------|\n");
-}
-
-
-
-
-int main() {
-    int board[9][9] = {0};
-    create(board);
-    printf("The original Sudoku matrix:\n");
-    output(board);
-    if (check(board)) {
-        if (complement(board, 0, 0)) {
-            printSudokuSolution(board);
-        } else {
-            printf("No solution!\n");
-        }
-    } else {
-        printf("No solution!\n");
-    }
-
-    return 0;
+#include <stdio.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <time.h>
+
+void shuffleArray(int array[], int size) {
+    for (int i = size - 1; i > 0; i--) {
+        int j = rand() % (i + 1);
+        int temp = array[i];
+        array[i] = array[j];
+        array[j] = temp;
+    }
+}
+
+
+void create(int board[9][9]){
+    srand(time(NULL)); 
+    int index = 0;
+    for (int r = 0; r < 9; r+=3){
+        int nums[9] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
+        shuffleArray(nums, 9);
+        for (int i = r; i < r+3; i++) {
+            for (int j = 0; j < 9; j += 3) {
+                board[i][j] = nums[index++];
+                if (index >= 9) {
+                    index = 0;
+            }
+        }
+    }
+    }
+    for(int j = 0;j < 9;j++){
+       shuffleArray(board[j], 9);
+    }
+}
+
+
+bool check(int matrix[9][9]) {
+
+    for (int i = 0; i < 9; i++) {
+        int count[10] = {0}; 
+        for (int j = 0; j < 9; j++) {
+            int num = matrix[i][j];
+            if (num != 0) {
+                count[num]++;
+                if (count[num] > 1) {
+                    printf("False: The number %d in the row %d has been used!\n", num, i + 1);
+                    return false;
+                }
+            }
+        }
+    }
+
+
+    for (int j = 0; j < 9; j++) {
+        int count[10] = {0};
+        for (int i = 0; i < 9; i++) {
+            int num = matrix[i][j];
+            if (num != 0) {
+                count[num]++;
+                if (count[num] > 1) {
+                    printf("False: The number %d in the col %d has been used!\n", num, j + 1);
+                    return false;
+                }
+            }
+        }
+    }
+
+    for (int block = 0; block < 9; block++) {
+        int count[10] = {0};
+        int startRow = (block / 3) * 3;
+        int startCol = (block % 3) * 3;
+        for (int i = startRow; i < startRow + 3; i++) {
+            for (int j = startCol; j < startCol + 3; j++) {
+                int num = matrix[i][j];
+                if (num != 0) {
+                    count[num]++;
+                    if (count[num] > 1) {
+                        printf("False: The number %d in the block %d has been used!\n", num, block + 1);
+                        return false;
+                    }
+                }
+            }
+        }
+    }
+
+    printf("True: Valid initial Sudoku matrix!\n");
+}
+
+
+bool complement(int board[9][9], int row, int col) {
+    if (row == 9) {
+        return true;
+    }
+    if (board[row][col] != 0) {
+        if (col == 8) {
+            return complement(board, row + 1, 0);
+        } else {
+            return complement(board, row, col + 1);
+        }
+    }
+    for (int num = 1; num <= 9; num++) {
+        bool valid = true;
+        for (int i = 0; i < 9; i++) {
+            
+            if (board[row][i] == num || board[i][col] == num ||
+                board[(row / 3) * 3 + i / 3][(col / 3) * 3 + i % 3] == num) {
+                valid = false;
+                break;
+            }
+        }
+        if (valid) {
+            board[row][col] = num;
+            if (col == 8) {
+                if (complement(board, row + 1, 0)) {
+                    return true;
+                }
+            } else {
+                if (complement(board, row, col + 1)) {
+                    return true;
+                }
+            }
+            board[row][col] = 0;
+        }
+    }
+    return false;
+}
+
+
+
+void output(int board[9][9]){
+    int i;
+    for(i = 0;i < 9 ;i++){
+        if(i %3 == 0){
+            printf("|-----------------------|\n");
+        }
+        printf("| %d %d %d | %d %d %d | %d %d %d |\n",
+        board[i][0],board[i][1],board[i][2],board[i][3],board[i][4],board[i][5],board[i][6],board[i][7],board[i][8]);
+    }
+    printf("|-----------------------|\n");
+}
+
+
+
+
+int main() {
+    int board[9][9] = {0};
+    create(board);
+    printf("The original Sudoku matrix:\n");
+    output(board);
+    if (check(board)) {
+        if (complement(board, 0, 0)) {
+            printf("The solution of Sudoku matrix:\n");
+            output(board);
+        } else {
+            printf("No solution!\n");
+        }
+    } else {
+        printf("No solution!\n");
+    }
+
+    return 0;
 }
\ No newline at end of file
-- 
2.34.1