Merge pull request DHEERAJHARODE#2624 from Mustafa1765/patch-2

Created a  program for amstrongnumber in c

Author: DHEERAJHARODE

amstrongnumber.c

@@ -0,0 +1,37 @@
+check if it is Armstrong number or not #
+#include <stdio.h>
+#include <math.h>
+
+int main() {
+    int num, originalNum, remainder, n = 0;
+    float result = 0.0;
+
+    // Input the number
+    printf("Enter an integer: ");
+    scanf("%d", &num);
+
+    originalNum = num;
+
+    // Find the number of digits
+    while (originalNum != 0) {
+        originalNum /= 10;
+        ++n;
+    }
+
+    originalNum = num;
+
+    // Calculate the sum of powers of digits
+    while (originalNum != 0) {
+        remainder = originalNum % 10;
+        result += pow(remainder, n);
+        originalNum /= 10;
+    }
+
+    // Check if the number is an Armstrong number
+    if ((int)result == num)
+        printf("%d is an Armstrong number.\n", num);
+    else
+        printf("%d is not an Armstrong number.\n", num);
+
+    return 0;
+}