Introduction to C language - Calculation 1+3+5+.....+(2n-1)\n

topic

code

#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;
}