C Exercises: Print a string in reverse order
C Pointer : Exercise-22 with Solution
Write a program in C to print a string in reverse using a pointer.
Sample Solution:
C Code:
#include <stdio.h>
int main()
{
char str1[50];
char revstr[50];
char *stptr = str1;
char *rvptr = revstr;
int i=-1;
printf("\n\n Pointer : Print a string in reverse order :\n");
printf("------------------------------------------------\n");
printf(" Input a string : ");
scanf("%s",str1);
while(*stptr)
{
stptr++;
i++;
}
while(i>=0)
{
stptr--;
*rvptr = *stptr;
rvptr++;
--i;
}
*rvptr='\0';
printf(" Reverse of the string is : %s\n\n",revstr);
return 0;
}
Sample Output:
Pointer : Print a string in reverse order : ------------------------------------------------ Input a string : w3resource Reverse of the string is : ecruoser3w
Flowchart:

C Programming Code Editor:
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C Programming: Tips of the Day
How to format strings using printf() to get equal length in the output?
You can specify a width on string fields, e.g.
printf("%-20s", "initialization...");
And then whatever's printed with that field will be blank-padded to the width you indicate.
The - left-justifies your text in that field.
Ref : https://bit.ly/34DMOc3
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