Make sum a double instead of integer

haversine_02/src/generator/main.cpp

@@ -23,7 +23,7 @@ i32 main(i32 argc, char *argv[]) {
   if (fp) {
     fwrite(&(arr.count), sizeof(arr.count), 1, fp);
 
-    i64 sum = 0;
+    f64 sum = 0.0;
     for (u64 i = 0; i < arr.count; ++i) {
       f64 distance = haversine_of_degrees(arr.pairs[i], EARTH_RADIUS_KM);
 
@@ -31,7 +31,7 @@ i32 main(i32 argc, char *argv[]) {
 
       sum += distance;
     }
-    printf("%ld\n", sum / arr.count);
+    printf("\nAVERAGE DISTANCE: %f\n", sum / arr.count);
 
     fclose(fp);
   }