第1个回答 2011-11-06
Dim a, b, c, d As Integer
a = Val(Text1.Text)
b = Val(Text2.Text)
c = 0
d = a
Do While d <= b
c = c + d
d = d + 1
Loop
MsgBox "值为" & c
#include<stdio.h>
int main()
{
int i,sum=0;
for(i=1;i<=100;i++)
sum+=i;
printf("Sum = %d\n",sum);
} 程序运行结果:4950