FionaT

#include <iostream>
#include <stdlib.h>
#include <string>

using namespace std;

/*
 [question]
 
 

FionaT

#include <iostream>
#include <stdlib.h>
#include <string>

using namespace std;

/*
 [question]
 
 1.2 Implement a function void reverse(char* str) in C or C++ which reverses a nullterminated string.

FionaT

#include <iostream>
#include <stdlib.h>
#include <string>

using namespace std;

/*
 [question]
 
 1.3 Given two strings, write a method to decide if one is a permutation of the other.

FionaT

#include <iostream>
#include <stdlib.h>
#include <string>

using namespace std;

/*
 [solution]
 1.we can create a boolean arrary with size of 256 since there are
 256 ascii character in total.