> #include "stdio.h"
> #include "math.h"
> int main()
> {
> 	int n, e;
> 	double l1,l2,a;
> 	scanf("%d%d",&n, &e);
> 	l1 = l2 = 0;
> 	n--, e--;
> 	while(n--) scanf("%lf",&a), l1 += a;
> 	while(e--) scanf("%lf",&a), l2 += a;
> 	l1 = sqrt(l1*l1+l2*l2);
> 	printf("%.0lf\n", ceil(l1));
> }
这样不好吧!