#include <stdio.h>
int main(viod)
{
    int i = 0;
    double date[100];
    double date1 = 0.0;
    double date2 = 0.0;
    for(i=0;0<=i && 100>i;i++)
    {
        date[i]=(2i+2)*(2i+3)*(2i+4);
        if(i %2 ==0)
            date1 +=date[i];
        else
            date2 -=date[i];
    }
    printf("%lf",(date1+date2)*4.0+3.0);
    return 0;
}

好的谢谢