Restructuring

solutions/ProjectEuler/021/solve.c

@@ -0,0 +1,28 @@
+#define MAX 10000
+
+#include <stdio.h>
+#include <math.h>
+
+int d( int input) {
+	int sum = 0;
+	int n;
+	for(n=1;n<input;n++) {
+		if(input % n == 0)
+			sum += n;
+	}
+	return sum;
+}
+
+int main( )
+{
+	int result = 0;
+	int number;
+	int d_sum;
+	for(number = 1; number < MAX; number++) {
+		d_sum = d(number);
+		if(number != d_sum && number == d(d_sum)) {
+			result += number;
+		}
+	}
+	printf("%d", result);
+}