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题目2.cpp

@@ -0,0 +1,64 @@
+#include<stdio.h>
+#include<stdlib.h>
+#include<time.h>
+int a[10][10]={0};
+int number=0;
+void randomquene(int array[], int len) 
+{
+    srand(time(NULL));
+    for (int i=len-1;i>0;i--) 
+	{
+        int j=rand()%(i+1);
+        int temp=array[i];
+        array[i]=array[j];
+        array[j]=temp;
+    }
+}
+void randomputs(int array[],int len)
+{
+	for(int row=1;row<10;row++)
+	{
+		int k=1;
+		while(k<4)
+		{
+			int col=rand()%9+1;
+			if(a[row][col]==0)
+			{
+			    a[row][col]=array[number];
+			    number++;
+			    k++;
+			}
+		}
+		if(row%3==0)
+		{
+			number=0;
+			randomquene(array,len);
+		}
+	}
+}
+void format(int s[][10])
+{
+    printf("-------------------------\n");
+    for(int i=1;i<10;i++)
+    {
+    	printf("| ");
+        for(int j=1;j<10;j++)
+        {
+        	
+        	printf("%d ",s[i][j]);
+        	if(j%3==0) printf("| ");
+		}
+		printf("\n");
+		if(i%3==0) printf("-------------------------\n");
+    }
+}
+int main()
+{
+	int array[]={1, 2, 3, 4, 5, 6, 7, 8, 9};
+    int len=sizeof(array)/sizeof(array[0]);
+    randomquene(array,len);
+    randomputs(array,len);
+	format(a);
+	return 0;
+}
+