トピック
コード
#include <stdio.h>
int n;
int sum = 0;
int main()
{
int sum_temporary;
int loop_counter;
printf("1+3+5+.....+(2n-1)\n");
printf("Please input 'n' to calculate:");
scanf("%d",&n);
for (int loop_counter = 1; loop_counter < n+1; ++loop_counter)
{
sum_temporary = 2 * loop_counter - 1;
sum = sum + sum_temporary;
}
printf("SUM = %d \n",sum);
return 0;
}