9*9乘法口诀表，俩个数最大值，十个数最大值，输出1到100素数

#include<stdio.h>
#include<math.h>
#include<windows.h>


int main()
{
int i = 0;
int j = 0;
int k = 0;
int m = 0;
int n = 0;
int a = 45;
int b = 50;
int v = 0;
int max = 0;
int arr[10] = {0};
printf("请输入10个数，以便后续进行十个数求最大值\n");
for(k = 0;k < 10;k++)
{
       scanf("%d",&arr[k]);
}
printf("********************9*9乘法口诀表*****************************\n");
for(i = 1;i <= 9;i++)
{
for(j = 1;j <= i;j++)
printf("%d*%d=%2d ",i,j,i*j);
printf("\n");
}
printf("************************俩个数最大值****************************\n");
if(a > b)
printf("max=%d\n",a);
else
printf("max=%d\n",b);
printf("***********************十个数最大值******************************\n");
    max = arr[0];
for(k = 1;k < 10;k ++)
{
if(max < arr[k])
{
max = arr[k];
}
}
printf("max = %d\n",max);
printf("***********************1到100素数*********************************\n");
for(n = 1;n <= 100;n++)
{
for(v = 2;v <= n/2;v++)
{
if(n%v == 0)
break;
}
if(v > n/2)
printf("%d  ",n);
    }


system("pause");
return 0;

}