求 1-100之间 偶数和

# include <stdio.h>

//求 1-100之间 偶数和 
void forMethod(void);
void whileMethod(void);
int main(void) 
{
     whileMethod();
     forMethod();
}

void whileMethod(void){
    printf("这是打印while出来的%\n"); 
    int i = 1;
    int sum = 0;
    while(i<=100)
    {
        if(i%2== 0)
        {      
          sum = sum + i;
        } 
        ++i;
    }   
    printf("%d\n", sum);
}


void forMethod(void){
    printf("这是打印for出来的%\nd");
    int i;
    int sum = 0;
    
    for(i=2; i<=100; ++i)
    {
       if(i%2== 0) 
       {
         sum = sum + i;
       }
      
      
    }
     printf("sum = %d\n", sum);
}