Merge pull request #180 from sonal10red100/master

Create binary_to_octal.c

Author: gouravthakur39

binary_to_octal.c

@@ -0,0 +1,35 @@
+#include <math.h>
+#include <stdio.h>
+
+int convert_to_octal(long long binary);
+
+int main() {
+    long long binary;
+    printf("Enter a binary number: ");
+    scanf("%lld", &binary);
+    printf("%lld in binary = %d in octal", binary, convert(binary));
+    return 0;
+}
+
+int convert_to_octal(long long binary) {
+    int octal = 0, decimal = 0, i = 0;
+    
+    //Step 1> convert binary to decimal
+    //Step 2> convert decimal to octal
+    
+    // converting binary to decimal
+    while (binary != 0) {
+        decimal += (binary % 10) * pow(2, i);
+        ++i;
+        binary /= 10;
+    }
+    i = 1;
+
+    // converting to decimal to octal
+    while (decimal != 0) {
+        octal += (decimal % 8) * i;
+        decimal /= 8;
+        i *= 10;
+    }
+    return octal;
+}