题解 | #牛牛的并联电路#
牛牛的并联电路
http://www.nowcoder.com/practice/6e13936b6fc54f52ac22efd6c8e7fef3
#include <stdio.h>
#include <math.h>
int main(){
float r1,r2;
scanf("%f%f",&r1,&r2);
printf("%f",1.0/((1.0/r1)+(1.0/r2)));
return 0;
}
#include <math.h>
int main(){
float r1,r2;
scanf("%f%f",&r1,&r2);
printf("%f",1.0/((1.0/r1)+(1.0/r2)));
return 0;
}
