#include"iostream"
#include"iomanip"

using namespace std;
void sort(char *point);

int main()
{
    char *str[7]={"There","are","100","student","in","the","room"};   //定义一个指针数组
                 //程序结果要输出 There Are 100 Students In The Room.
    for(int i=0;i<7;i++)
    {
        sort(str[i]);
        cout << setw(5) << str[i];
    }
    cout << endl;
    return 0;
}

void sort(char *point)
{
    if((*point>='a')&&(*point<='z'))
        *point=*point-32;
}

char str[7][8] = {"There", "are", "100", "student", "in", "the", "room"};
            ^ 最长单词的宽度 + 1，这里为student的长度 +１所以为８，因为还有一个'\0'

以前的方式修改的静态常量，所以非法，是不是弹出一个对话框说该内存不能为"write" ?