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() {
int r1,r2;
scanf("%d %d",&r1,&r2);
float count=(float)r1*r2/(r1+r2);
printf("%.1f",count);
return 0;
}
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