这个代码怎么改可以达到图片效果啊

Question

123388899485676799hdjjdjdjjskkdkdk

Answer 1

#include <stdio.h>
 
int main()
{
    int a, b;
    scanf("%d", &a);
    scanf("%d", &b);
    if (a > b) { int temp = a; a = b; b = temp; }
    int sum = 0;
    do
    {
        sum += a;
        a += 1;
    }
    while (a <= b);
    printf("%d", sum);
    return 0;
}