题解 | #牛牛的并联电路#
牛牛的并联电路
https://www.nowcoder.com/practice/6e13936b6fc54f52ac22efd6c8e7fef3
#include <stdio.h>
int main() {
float a, b,out;
while (scanf("%f %f", &a, &b) != EOF)
{
out = 1.0 /((1.0/a)+(1.0/b));
printf("%f\n", out);
}
return 0;
}
