单词逆序输出-I am a stdudent--stdudent a am I

// Console1018.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include <iostream>
#include <time.h>
#include <sstream>
#include <string>
using namespace std;
#define N 100

void ReverseWord(char *s, int low, int high);

int main()
{
    char s[] = "I am a stdudent";
    
    int low = 0;
    int high = 0;
    int i = 0;
    int len = 0;
    int  lowFlags = 0;
    int  highFlags = 0;

    while (s[len] != '\0')
    {
        len++;
    }

    ReverseWord(s, 0, len-1);

    while (s[i] != '\0')
    {
        if (s[i] != ' ' && lowFlags == 0)
        {
            low = i;
            lowFlags = 1;
        }

        if (s[i] == ' '&& highFlags == 0)
        {
            high = i - 1;
            highFlags = 1;
        }

        if (lowFlags == 1 && highFlags == 1)
        {
            ReverseWord(s, low, high);
            lowFlags = 0;
            highFlags = 0;
        }

        ++i;
    }
    cout << s << endl;
}

void ReverseWord( char *s, int low, int high )
{
    int i = low;
    int j = high;

    while (i < j)
    {
        swap(s[i], s[j]);
        ++i;
        --j;
    }
}