commit 389707b4fd2a205dee5abd484815bd06ed6d6270
parent cf5ff5f67efa088e9fa7f206cb371275ad8a1601
Author: Amit Dutta <amitdutta4255@gmail.com>
Date: Mon, 30 Mar 2026 18:32:28 +0530
Add recursive string reversal program in C
Implemented a C program that reverses a string using recursion.
Diffstat:
1 file changed, 43 insertions(+), 0 deletions(-)
diff --git a/Semester_1/practice-c/pc015.c b/Semester_1/practice-c/pc015.c
@@ -0,0 +1,43 @@
+/*
+ * Author: Amit Dutta (amitdutta4255@gmail.com) | Date: 30 Mar 2026
+ * Repo: https://github.com/notamitgamer/bsc
+ * License: MIT
+ */
+
+/* Write a C program to reverse a string using a recursive function. */
+
+#include<stdio.h>
+#include<stdlib.h>
+#include<string.h>
+
+void reverseString(char [], char *, char *);
+
+int main() {
+ char string[101], *p, *start, *end;
+ printf("Enter the string (Max: 100 char): ");
+ if(fgets(string, sizeof(string), stdin) == NULL) {
+ printf("\nError reading input.");
+ exit(1);
+ }
+ p = strchr(string, '\n');
+ if(p) *p = '\0';
+ printf("Before Reverse: %s", string);
+ start = string;
+ end = string + strlen(string) - 1;
+ reverseString(string, start, end);
+ printf("\nAfter reverse: %s", string);
+ return 0;
+}
+
+void reverseString(char str[], char *start, char *end) {
+ if(start >= end) {
+ return;
+ }
+ char temp;
+ temp = *start;
+ *start = *end;
+ *end = temp;
+ start++;
+ end--;
+ reverseString(str, start, end);
+}
