计算出他们之间所有整数的和

/*计算出他们之间所有整数的和。*/#include<stdio.h>int main(void){int a,b,sum;sum=0;printf("整数1：");scanf("%d",&a);printf("整数2：");scanf("%d",&b);if(a>b){printf("大于等于%d小于等于%d的所有整数和是",b,a);while(a>=b){sum+=b;b++;}printf("%d\n",sum);}else{printf("大于等于%小于等于%d的所有整数和",a,b);while(b>=a){sum+=a;a++;}printf("%d\n",sum);}return(0);}