1 <!DOCTYPE html>
2 <html lang="en">
3 <head>
4 <meta charset="UTF-8" />
5 <title>逻辑推理</title>
6 </head>
7 <body>
8 <script>
9 /*
10 一个人去买汽水，1块钱一瓶，三个瓶盖可以换一瓶汽水，2个空瓶可以换一瓶汽水 请问 20块钱
11 总共能买到多少瓶汽水？
12 */
13 var money; //金钱
14 var bottle = 20; //瓶子
15 var cap = 20; //盖子
16 var sum = 20; //总共换的饮料
17 var drink; //总共喝的饮料
18 for (var i = 0; i < 20; i++) {
19 drink = parseInt(bottle / 2) + parseInt(cap / 3);
20 cap = drink + (cap % 3);
21 bottle = drink + (bottle % 2);
22 sum += drink;
23 document.write(
24 "第",
25 i + 1,
26 "次能换: 瓶:" + bottle + " 盖:" + cap + " 饮料:" + drink + "<br>"
27 );
28 if (drink == 0) {
29 document.write("<h3>总共能换" + sum + "瓶饮料<h3>");
30 break;
31 }
32 }
33 </script>
34 </body>
35 </html>
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