c程序设计语言 2-4 2-5

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第五弹！

第五弹！第五弹！

#include <stdio.h>

#define max 1000

void InputSpring(char s[]);
//void mySqueeze(char s1[],char s2[]);
void any(char s1[],char s2[]);

void main()
{   
    char S1[max],S2[max];
    InputSpring(S1);
    InputSpring(S2);
   // mySqueeze(S1,S2);
    any(S1,S2);
    printf("%s\n",S1);
}

void InputSpring(char s[])
{
    int i;
    int c;
    for(i = 0; (c = getchar())!=EOF && c!='\n' && i<max; i++)
    {
        s[i] = c;
    }
    if(c == '\n')
    {
        s[i++] = '\0';
    }

}

/****************************
 * Remark:
 * s1 and s2 are String format.
 * so the position of the '\0' 
 * has been changing when runing
 * the FOR.
 ****************************/
void mySqueeze(char s1[],char s2[])
{
    int i,j,k;
    for(i = 0; s2[i]!='\0'&& i<=max; i++)
    {
        for(j = k = 0; s1[j]!='\0'&& j<=max; j++)
        {            
            if(s1[j] != s2[i])
            {
                s1[k++] = s1[j];
            } 

         }
         s1[k] = '\0';
   }
}

void any(char s1[],char s2[])
{
     int i,j;
     for(i = 0; s2[i]!='\0'&& i<=max; i++)
    {
        for(j = 0; s1[j]!='\0'&& j<=max; j++)
        {
            if(s1[j] == s2[i]) 
            {
                  s1[j] = '\0';
            } 
        }
    } 
}