Problem 34

34.c

@@ -0,0 +1,20 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int factorial[10] = { 1, 1, 2, 6, 24, 120, 720, 5040, 40320, 362880 };
+
+int main (int argc, char* argv[]) {
+    int max = 2540160;  // 7 * 9!
+    int sumOfNum = 0;
+    for (int i = 10; i <= max; i++) {
+        int sumOfDigFact = 0;
+        int remainder = i;
+        while (remainder > 0) {
+            sumOfDigFact += factorial [remainder % 10];
+            remainder /= 10;
+        }
+        if (sumOfDigFact == i)
+            sumOfNum += i;
+    }
+    printf ("%d\n", sumOfNum);
+}