不同的方法

/* Note:Your choice is C IDE */#include "stdio.h"void main(){    int i=0;    int sum=0;    while(i<=100){    sum+=i;    i=i+2;}    printf("%d",sum);}

/* Note:Your choice is C IDE */#include "stdio.h"void main(){    int i=0;    int sum=0;    while(i<100){    i=i+2;        sum+=i;}    printf("%d",sum);    }