Unprimeable numbers: Difference between revisions

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@@ Line 375: / Line 375: @@
                 printf("\n600th unprimeable number: %'u\n", n);
             uint32_t last_digit = n % 10;
-            if (lowest[last_digit] == 0)
+            if (lowest[last_digit] == 0) {
-            {
                 lowest[last_digit] = n;
                 ++found;