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52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
/*
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* C Program to Reverse the String using Both Recursion and Iteration
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*/
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#include <stdio.h>
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#include <string.h>
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/* Function Prototype */
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void disp_str1_rec(char *);
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void main()
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{
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char str1[100], *ptr;
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int len1 = 0, i;
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char ch;
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printf("Enter the string:\n");
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scanf("%[^\n]s", str1);
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ptr = str1;
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len1 = strlen(str1);
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printf("Using iteration:\n");
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for (i = len1 - 1; i >= 0; i--) /* Iterative loop */
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{
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ch = str1[i];
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printf("%c", ch);
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}
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printf("Using recurssion:\n");
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disp_str1_rec(ptr);
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}
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/* Code to reverse the string using Recursion */
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void disp_str1_rec(char *stng)
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{
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char ch;
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if (*stng != '\0')
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{
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ch = *stng;
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stng++;
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disp_str1_rec(stng);
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printf("%c", ch);
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}
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else
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return;
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}
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/*
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*OUTPUT:
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Enter the string:
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welcome to sanfoundry's c programming class
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Using iteration:
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ssalc gnimmargorp c s'yrdnuofnas ot emoclew
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Using recurssion:
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ssalc gnimmargorp c s'yrdnuofnas ot emoclewi
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*/ |