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() {
double r1 = 0.0;
double r2 = 0.0;
scanf("%lf %lf", &r1,&r2);
printf("%lf", (r1 * r2) / (r1 + r2));
return 0;
}
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