From f31eba4c5ff1dd7608497a381f6fd7eab9a5451f Mon Sep 17 00:00:00 2001
From: ayushaman4651 <73748590+ayushaman4651@users.noreply.github.com>
Date: Sat, 31 Oct 2020 20:47:34 +0530
Subject: [PATCH] Create Program  to find factorial of a number in C

 find factorial of a number in C
---
 Program  to find factorial of a number in C | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 Program  to find factorial of a number in C

diff --git a/Program  to find factorial of a number in C b/Program  to find factorial of a number in C
new file mode 100644
index 0000000..07b09ea
--- /dev/null
+++ b/Program  to find factorial of a number in C	
@@ -0,0 +1,19 @@
+#include <stdio.h>
+int main() {
+    int n, i;
+    unsigned long long fact = 1;
+    printf("Enter an integer: ");
+    scanf("%d", &n);
+
+    // shows error if the user enters a negative integer
+    if (n < 0)
+        printf("Error! Factorial of a negative number doesn't exist.");
+    else {
+        for (i = 1; i <= n; ++i) {
+            fact *= i;
+        }
+        printf("Factorial of %d = %llu", n, fact);
+    }
+
+    return 0;
+}