From d133d49d717819fba0fd22c1fcd619b797afc806 Mon Sep 17 00:00:00 2001
From: Zeron <84472661+EGZOZBORUSU@users.noreply.github.com>
Date: Sat, 27 Sep 2025 21:41:08 +0300
Subject: [PATCH] Create lab2_2.c

Iterative factorial calculator. Computes n! using a loop (not recursion) with error handling for negative inputs.
---
 lab2_2.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 lab2_2.c

diff --git a/lab2_2.c b/lab2_2.c
new file mode 100644
index 0000000..44381a2
--- /dev/null
+++ b/lab2_2.c
@@ -0,0 +1,21 @@
+long long factorial(int n) {
+    long long result = 1;
+    for (int i = 1; i <= n; i++) {
+        result *= i;
+    }
+    return result;
+}
+
+int main() {
+    int n;
+    printf("Enter n: ");
+    scanf("%d", &n);
+
+    if (n < 0) {
+        printf("Error: n must be >= 0\n");
+    } else {
+        printf("%d! = %lld\n", n, factorial(n));
+    }
+
+    return 0;
+}