プログラム基礎Ⅱの小テストを変数無しで解いてみる試みその１

t071-func.c

#include <stdio.h>

int sum(const int num[],const int count,const int result){

  if (count == 0) {
    return result + num[count];
  } else {
    sum(num,(count-1),(result + num[count]));
  }
}

int main(void)
{
  const int num[10] = {10,9,8,7,6,5,4,3,2,1};

  printf("sum = %d\n", sum(num,9,0));
  
  return 0;
}