题解 | #求小球落地5次后所经历的路程和第5次反弹的高度#
求小球落地5次后所经历的路程和第5次反弹的高度
https://www.nowcoder.com/practice/2f6f9339d151410583459847ecc98446
const readline = require('readline'); const rl = readline.createInterface({ input: process.stdin, output: process.stdout }); rl.on('line', function (line) { // 字符串转成数字 let s = line * 1 let h = s / 2 for(let i = 0; i < 4; i++){ // 所经过的路程 s += h*2 // 反弹高度 h /= 2 } console.log(s) console.log(h) });