统计字符串中各个字符的数量

#include <iostream.h>

// Count the number of each character
int count[128];
void CountChar(char ch[])
{
    for (int i = 0; i<128; i++)
    {
        count[i] = 0;
    }

    int j;
    for (i = 0; ch[i] != '/0'; i++)
    {
        j=(int)ch[i];
        count[j]++;
    }   
}

void main()
{
    char *str = "djfieru930nvd;afj";

    CountChar(str);

    for(int i=0;i<128;i++)
    {
        if (count[i] == 0)
            continue;
        cout<<char(i)<<'/t'<<count[i]<<endl;
    }
}