Increasing gaps between consecutive Niven numbers: Difference between revisions

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@@ Line 42: / Line 42: @@
 // Returns the sum of the digits of n given the
 // sum of the digits of n - 1
-uint64_t digit_sum(uint64_t n, int sum) {
+uint64_t digit_sum(uint64_t n, uint64_t sum) {
     ++sum;
     while (n > 0 && n % 10 == 0) {
@@ Line 60: / Line 60: @@
     setlocale(LC_ALL, "");
-    uint64_t previous = 1, gap = 0;
+    uint64_t previous = 1, gap = 0, sum = 0;
-    int niven_index = 0, gap_index = 1, sum = 0;
+    int niven_index = 0, gap_index = 1;
     printf("Gap index  Gap    Niven index    Niven number\n");