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c10p5.c
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c10p5.c
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#include<stdio.h>
#include<stdbool.h>
int findString(char[],char[]);
int main(void)
{
int result;
result=findString("chatterbox","hat");
if(result!=-1)
printf("It's present at %d\n",result);
else
printf("it's absent\n");
return 0;
}
int findString(char a[],char b[])
{
int i=0,j=0,k=0;
//printf("\nstrings:\na = %s\nb = %s\n",a,b);
//printf("\nvalues of i,j,k:\ni = %d\nj = %d\nk = %d\n",i,j,k);
for(i=0;a[i]!='\0';i++)
{
//printf("\nafter for:\na[i] = %c\n",a[i]);
if(a[i]==b[0])
{
//printf("\nafter if:\na[%d]= %c\n",i,a[i]);
//printf("\nafter if:\nb[%d]= %c\n",0,b[k]);
j=i+1;
k=1;
//printf("\nafter assingment of j and k:\ni = %d\nj = %d\nk = %d\n",i,j,k);
while(a[j]==b[k]&&a[j]!='\0'&&b[k]!='\0')
{
//printf("\nin while:\na[%d]= %c\n",j,a[j]);
//printf("in while:\nb[%d]= %c\n",k,b[k]);
j++;
k++;
//printf("\nin while:\na[%d]= %c\n",j,a[j]);
//printf("in while:\nb[%d]= %c\n",k,b[k]);
}
//printf("\nb[k] = %c\n",b[k]);
if(b[k]=='\0')
{
//printf("\nb[k] = %c\n",b[k]);
return i;
}
}
}
return -1;
}
//try to combine the if and for conditions with the for
/* the program i initially did. the wrong is with the for loop
#include<stdio.h>
#include<stdbool.h>
int findString(char[],char[]);
int main(void)
{
int result;
result=findString("character","har");
if(result!=-1)
printf("It's present\n");
else
printf("it's absent\n");
return 0;
}
int findString(char a[],char b[])
{
int i,j=0,k=0,ind;
bool result;
printf("a = %s\nb = %s\n",a,b);
for(i=0;a[i]==b[0]&&a[i]!='\0';i++)
{
j=i+1;
k=1;
result=true;
while(a[j]==b[k]&&a[j]!='\0'&&b[k]!='\0')
{
j++;
k++;
printf("a[j]= %c",a[j]);
printf("b[k]= %c",b[k]);
}
if(b[k]=='\0')
{
result=true;
return i;
}
else{
result=false;
}
}
return -1;
}
*/