#include"stdio.h"
#include"math.h"
main()
{
    int s,i;
    s=0;
    i=1;
    while(i<=1000)
    {
        s=pow(-1,i+1)/(2i-1);
        i++;
     }
     printf("%d",s);
}



[Error] cannot convert '__complex__ double' to 'int' in assignment

膜拜大佬