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>
int main(){
float r1 = 0;
float r2 = 0;
float R = 0;
scanf("%f %f",&r1,&r2);
R = 1.0f/(1.0f/r1+1.0f/r2);//总电阻
printf("%.1f\n",R);
return 0;
}
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