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任务2.c

@@ -0,0 +1,91 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+#define SIZE 9
+void Print(int board[9][9])
+{
+	int i,j;
+	printf("|");
+	for(i=0;i<9;i++)
+	{
+		for(j=0;j<9;j++)
+		{
+			printf("%d",board[i][j]);
+			if(j==8)
+			{
+				printf("|\n");
+			}
+			if(i==8&&j==8)
+			{
+				break;
+			}
+			if((i+1)%3==0&&j==8&&i!=8)
+			{
+				printf("|-----------|\n");
+			}
+			if((j+1)%3==0)
+			{
+				printf("|");
+			}
+		}
+	}
+}
+
+void printMatrix(int matrix[SIZE][SIZE]) {
+	int i,j;
+    for (i = 0; i < SIZE; i++) {
+        for ( j = 0; j < SIZE; j++) {
+            if (matrix[i][j] == 0) {
+                printf(".");
+            } else {
+                printf("%d ", matrix[i][j]);
+            }
+        }
+        printf("\n");
+    }
+}
+
+int main() {
+    srand(time(NULL));
+
+    int matrix[SIZE][SIZE] = {0};
+    int i, j, k, num, positions[3];
+    for (i = 0; i < 3; i++) {
+        for (j = 0; j < 3; j++) {
+            do {
+                positions[j] = rand() % SIZE;
+            } while (positions[j] == positions[(j + 1) % 3] || positions[j] == positions[(j + 2) % 3]);
+        }
+        for (j = 0; j < 3; j++) {
+            matrix[i][positions[j]] = rand() % 9 + 1;
+        }
+    }
+
+    for (i = 3; i < 6; i++) {
+        for (j = 0; j < 3; j++) {
+            do {
+                positions[j] = rand() % SIZE;
+            } while (positions[j] == positions[(j + 1) % 3] || positions[j] == positions[(j + 2) % 3]);
+        }
+        for (j = 0; j < 3; j++) {
+            matrix[i][positions[j]] = rand() % 9 + 1;
+        }
+    }
+
+    for (i = 6; i < 9; i++) {
+        for (j = 0; j < 3; j++) {
+            do {
+                positions[j] = rand() % SIZE;
+            } while (positions[j] == positions[(j + 1) % 3] || positions[j] == positions[(j + 2) % 3]);
+        }
+        for (j = 0; j < 3; j++) {
+            matrix[i][positions[j]] = rand() % 9 + 1;
+        }
+    }
+
+    printMatrix(matrix);
+    Print(matrix) ;
+
+    return 0;
+}