Here is a C++ program to remove sub string from given string
SOURCE CODE OUTPUT
#include<iostream>
#include<string.h>
using namespace std;
int main()
{
char str[100],repst[20];
int i,j=0,k,i1,lenght1;
cout<<"Enter String : ";
cin.getline(str,100);
cout<<"Enter sub string to be removed : ";
cin>>repst;
lenght1=strlen(repst);
for(i=0;str[i]!='\0';i++)
{
if(str[i]==repst[j])
j++;
else if(str[i]!=repst[j])
j=0;
if(repst[j]=='\0')
{
i1=i-lenght1+1;
for(k=i1;str[k]!='\0';k++)
str[k]=str[k+lenght1];
i=i1;
j=0;
}
}
cout<<"After removing : "<<str;
return 0;
}
#include<string.h>
using namespace std;
int main()
{
char str[100],repst[20];
int i,j=0,k,i1,lenght1;
cout<<"Enter String : ";
cin.getline(str,100);
cout<<"Enter sub string to be removed : ";
cin>>repst;
lenght1=strlen(repst);
for(i=0;str[i]!='\0';i++)
{
if(str[i]==repst[j])
j++;
else if(str[i]!=repst[j])
j=0;
if(repst[j]=='\0')
{
i1=i-lenght1+1;
for(k=i1;str[k]!='\0';k++)
str[k]=str[k+lenght1];
i=i1;
j=0;
}
}
cout<<"After removing : "<<str;
return 0;
}
Any questions regarding to program please write in comments.
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