实验3 2、单步运行程序:按“F8”,每按一次就执行一条语句 File Edit Search Run Compile Debug Pro ject Options Window H Winc ludestdio. h> Run Ctrl+F9 #inc lude<conio. h> Program reset Ctrl+F2 void main ( Go to cursor F Trace into int i Step over F8 float s, sum, ave i HrgumeIIcs. sum=g i=1 printf(" please input the number of students: > scanf( zd.&n) while (i<=n) 3:1 sum: Undefined symbolum 1: Undefined symbol'1' es: Undefined symbo l's' F1 He lp Execute next statement; skip over the current function2、单步运行程序: 按“F8” , 每按一次就执行一条语句 实验3