编程，输入1个正实数eps，计算并输出下式的值，直到最后一项的绝对值小于eps。

#include #include int main(){ int sign = 1; double a = 1.0; double eps = 0; double s = 0.0, b = 1.0; printf("Input eps=\n"); scanf("%lf", &eps); //while (fabs(a)eps) { s = s + a; b = b + 4; sign = -sign; a = sign /