#include<stdio.h>
int main()
{
  int arr[] = { 1,3,4,5,7,8,9,10,12,2};
  int max = arr[0];
  int left = 0;
  int right = sizeof(arr) / sizeof(arr[0]);
  for (left = 0; left <= right; left++)
  {
    if (arr[left] > max)
    {
      max = arr[left];
    }
  }
  printf("最大值为%d", max);

  return 0;
}