pgm to reverse string using arrays i.e god is love becomes
love is god)
(assumption:only space is used for seperation of words)
no addtional memory used.i.e no temporary arrays can used.
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#include<stdio.h>
#include<conio.h>
int main()
{
int i,j,length;
char a[] = "god is love";
length = strlen(a);
printf("The Given String is\n%s\n",a);
printf("The Resulted String is\n");
for(i=length-1;i>=0;i--)
{
if(a[i] == ' ')
{
for(j=i+1; a[j] != ' ' && a[j] != '\0';j++)
{
printf("%c",a[j]);
}
printf("%c",a[i]);
}
}
i++;
while(a[i] !=' ')
{
printf("%c",a[i]);
i++;
}
printf("\n");
}
| Is This Answer Correct ? | 14 Yes | 2 No |
Answer / abdur rab
#include <stdio.h>
void reverse_string ( char* cp_string, int start, int end )
{
if ( cp_string && ( start < end ) ) {
*( cp_string + start ) ^= *( cp_string +
end )
^= *( cp_string + start ) ^= *(
cp_string + end );
reverse_string ( cp_string, ++start, --
end );
}
}
int main ( int argc, char* argv [] )
{
char ca_array [12]={"Hello World"};
char* cp_ptr = NULL;
char* cp_ptr_temp = NULL;
printf ( "\n Before Reverse :%s", ca_array );
reverse_string ( ca_array, 0, strlen ( ca_array ) -
1 );
cp_ptr_temp = cp_ptr = ca_array;
while ( NULL != ( cp_ptr_temp = (char*) strchr (
cp_ptr_temp, ' ' ) ) ) {
reverse_string ( cp_ptr, 0, ( cp_ptr_temp -
cp_ptr ) - 1 );
cp_ptr = ++cp_ptr_temp;
}
// change the final word
reverse_string ( cp_ptr, 0, ( ( strlen (
ca_array ) - 1 ) - ( cp_ptr - ca_array ) ) );
printf ( "\n After Reverse by Words :%s",
ca_array );
return ( 0 );
}
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / ruchi
#include<stdio.h>
#include<conio.h>
int main()
{
int i=0,c;
char a[20];
printf("\nEnter the string");
while((a[i++]=getchar())!='\n');
printf("\nReverse of the string is ");
for(c=i;c>=0;c++)
{
printf("%c"a[c]);
}
getch();
}
| Is This Answer Correct ? | 1 Yes | 5 No |
Answer / paaru
#include<stdio.h>
#include<conio.h>
#include<string.h>
void main()
{
char a[20],i;
printf("\n\nEnter the string:");
gets(a);
for(i=strlen(a)-1;i>=0;i++)
{
printf("%d"a[i]);
}
getch();
}
| Is This Answer Correct ? | 1 Yes | 7 No |
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