#include <stdio.h>
float calculateSum(float num[]);
int main() {
  float result, num[] = {23.4, 55, 22.6, 3, 40.5, 18};
  // num array is passed to calculateSum()
  result = calculateSum(num);
  printf("Result = %.2f", result);
  return 0;
}
float calculateSum(float num[]) {
  float sum = 0.0;
  for (int i = 0; i < 6; ++i) {
    sum += num[i];
  }
  return sum;
}