diff --git a/docs/bad_fortune_statistics.png b/docs/bad_fortune_statistics.png new file mode 100644 index 0000000..9477619 Binary files /dev/null and b/docs/bad_fortune_statistics.png differ diff --git a/docs/fortune_statistics.md b/docs/fortune_statistics.md new file mode 100644 index 0000000..03136c7 --- /dev/null +++ b/docs/fortune_statistics.md @@ -0,0 +1,26 @@ +# Distribution of fortune +### 2000 IPs for 365 days, two groups in total + +| Fortune Status | Percentage (1st time) | Percentage (2nd time) | +|-----------------|------------------------|------------------------| +| 大吉 | 20.33% | 20.30% | +| 中吉 | 14.37% | 14.34% | +| 小吉 | 10.57% | 10.59% | +| 吉 | 14.49% | 14.44% | +| 末吉 | 10.14% | 10.24% | +| 中平 | 14.29% | 14.40% | +| 凶 | 8.64% | 8.60% | +| 大凶 | 7.17% | 7.09% | + +# Distribution statistics of daily fortune events + +Statistical method: The sum of the number of fortune events that occurred for 2,000 random IPs on the same day. + +The x-axis is the index value and the y-axis is the number of times. + +| 宜 (Good Fortune) | 忌 (Bad Fortune) | +|------------------------------------------------|----------------------------------------------| +| ![Good Fortune](./good_fortune_statistics.png) | ![Bad Fortune](./bad_fortune_statistics.png) | + + +[Statistics code](./main.js) diff --git a/docs/fortune_status_statistics.md b/docs/fortune_status_statistics.md deleted file mode 100644 index df71be1..0000000 --- a/docs/fortune_status_statistics.md +++ /dev/null @@ -1,20 +0,0 @@ -# 運勢出現分佈 - -大吉: 20.33% -中吉: 14.37% -小吉: 10.57% -吉: 14.49% -末吉: 10.14% -中平: 14.29% -凶: 8.64% -大凶: 7.17% - -大吉: 20.30% -中吉: 14.34% -小吉: 10.59% -吉: 14.44% -末吉: 10.24% -中平: 14.40% -凶: 8.60% -大凶: 7.09% - diff --git a/docs/good_fortune_statistics.png b/docs/good_fortune_statistics.png new file mode 100644 index 0000000..8003e1f Binary files /dev/null and b/docs/good_fortune_statistics.png differ diff --git a/docs/main.js b/docs/main.js new file mode 100644 index 0000000..4d6939d --- /dev/null +++ b/docs/main.js @@ -0,0 +1,284 @@ +var fs = require('fs') + +const goodFortunes = [ + { + "event": "睡覺", + "description": "品質良好，精神煥發" + }, + { + "event": "做家務", + "description": "整潔使人心情愉悅" + }, + { + "event": "冥想", + "description": "平靜心靈，緩解焦慮" + }, + { + "event": "攝影", + "description": "捕捉到美好瞬間" + }, + { + "event": "喝咖啡", + "description": "精力充沛燃燒脂肪" + }, + { + "event": "朋友聚會", + "description": "充滿歡笑和美好回憶" + }, + { + "event": "體育鍛鍊", + "description": "能量滿滿，效果顯著" + }, + { + "event": "出遊" , + "description": "好天氣，好心情" + }, + { + "event": "吃大餐", + "description": "聯絡感情" + }, + { + "event": "逛書店", + "description": "新書上架，打折推銷" + }, + { + "event": "學新技能", + "description": "快速上手" + }, + { + "event": "唱歌", + "description": "被星探發掘" + }, + { + "event": "上課", + "description": "整天不累，100% 消化" + }, + { + "event": "洗澡", + "description": "重獲能量" + }, + { + "event": "請教問題", + "description": "問題皆獲高人指點" + }, + { + "event": "網購", + "description": "心儀商品皆促銷" + }, + { + "event": "放假", + "description": "休息充電，明日再戰" + }, + { + "event": "早睡", + "description": "好夢連連" + }, + { + "event": "早起", + "description": "朝氣蓬勃，神采飛揚" + }, + { + "event": "發文章", + "description": "瀏覽數暴增" + }, + { + "event": "點外賣", + "description": "準時到達，新鮮好吃" + }, + { + "event": "做善事", + "description": "積善成福" + }, + { + "event": "散步", + "description": "空氣良好，放鬆身心" + } +]; + +const badFortunes = [ + { + "event": "體育鍛鍊", + "description": "不慎受傷" + }, + { + "event": "攝影", + "description": "照片全消失" + }, + { + "event": "出遊", + "description": "天氣不晴朗" + }, + { + "event": "吃大餐", + "description": "被要求請客" + }, + { + "event": "學新技能", + "description": "屢試不爽，始終不懂" + }, + { + "event": "唱歌", + "description": "嗓子發炎" + }, + { + "event": "洗澡", + "description": "水溫不穩" + }, + { + "event": "請教問題", + "description": "疑難雜症，均無解答" + }, + { + "event": "網購", + "description": "錯過促銷" + }, + { + "event": "放假", + "description": "隔日工作量倍增" + }, + { + "event": "晚睡", + "description": "失眠，明日精神渙散" + }, + { + "event": "晚起", + "description": "整天都不順" + }, + { + "event": "發文章", + "description": "搜索枯腸，不知所云" + }, + { + "event": "點外賣", + "description": "路況壅塞，餐點冷掉" + }, + { + "event": "喝咖啡", + "description": "晚上失眠" + }, + { + "event": "散步", + "description": "被害蟲咬傷" + } +]; + +const badLen = badFortunes.length; +const goodLen = goodFortunes.length; +let num = null; +const dates = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 30]; +const statusLen = 8; +var buckets = {}; +let day = 0; +var run_cnt = 0; + +while (run_cnt != 2000) { + let n1 = parseInt(Math.random() * 255 + 1); + let n2 = parseInt(Math.random() * 255 + 1); + let n3 = parseInt(Math.random() * 255 + 1); + let n4 = parseInt(Math.random() * 255 + 1); + + if (!check_ip_valid(n1, n2, n3, n4)) continue; + + let index = `${n1}.${n2}.${n3}.${n4}`; + // buckets[`${n1}.${n2}.${n3}.${n4}`] = [0, 0, 0, 0, 0, 0, 0, 0]; + buckets[`${n1}.${n2}.${n3}.${n4}`] = [0, 0, 0, 0]; + for (let i = 1; i <= 12; i++) { + for (let j = 1; j <= dates[i - 1]; j++) { + day %= 7; + run(2023, i, j, day, [n1, n2, n3, n4]); + day++; + } + } + + run_cnt++; +} + +fs.writeFile('./res.txt', JSON.stringify(buckets), err => { + console.log(err); +}); + +function check_ip_valid(n1, n2, n3, n4) { + if (n1 > 255 || n2 > 255 || n3 > 255 || n4 > 255) return false; + + // private network + if (n1 === 10) return false; + + // Carrier-grade NAT + if (n1 == 100 && n2 == 64) return false; + + // localhost + if (n1 === 127 && n2 === 0 && n3 === 0) return false; + + // link-local address + if (n1 == 169 && n2 == 254) return false; + + // private network + if (n1 === 172) if (n2 >= 16 && n2 <= 31) return false; + + if (n1 === 192) { + if (n2 === 168) return false; // private network + if (n2 === 0 && n3 === 0) return false; // IANA RFC 5735 + if (n2 === 0 && n3 === 2) return false; // TEST-NET-1 RFC 5735 + if (n2 === 88 && n3 === 99) return false; // 6to4 + } + + if (n1 == 198) { + if (n2 == 18) return false; // RFC 2544 + if (n2 == 51 && n3 == 100) return false; // TEST-NET-2 RFC 5735 + } + + if (n1 == 203 && n3 == 113) return false; // TEST-NET-3 RFC 5735 + + // class D network + if (n1 == 224) return false; + + // class E network + if (n1 == 255) return false; + + return true; +} + +// calculate hash and write result +function run(year, month, date, day, ip) { + let num = ip; + let index = `${ip[0]}.${ip[1]}.${ip[2]}.${ip[3]}`; + let d = new Date(year, month, date); + + // original hash function + let hashDate = Math.round(Math.log10(year * ((month << (Math.log10(num[3]) + day - 1)) * (date << Math.log10(num[2] << day))))); + let seed1 = (num[0] >> hashDate) * (num[1] >> Math.min(hashDate, 2)) + (num[2] << 1) * (num[3] >> 3) + (date << 3) * (month << hashDate) + ((year * day) >> 2); + let seed2 = (num[0] << (hashDate + 2)) * (num[1] << hashDate) + (num[2] << 1) * (num[3] << 3) + (date << (hashDate - 1)) * (month << 4) + (year >> hashDate) + ((date * day) >> 1); + + // decide the status + let status_index = ((seed1 + seed2) % statusLen + statusLen) % statusLen; + // buckets[index][Math.max(status_index - parseInt(day / Math.PI), 0)]++; // old hash + // buckets[index][status_index]++; // current hash + + // make sure the events won't collide + let set = new Set(); + let l1 = (seed1 % goodLen + goodLen) % goodLen; + let l2 = (((seed1 << 1) + date) % goodLen + goodLen) % goodLen; + + while (l1 == l2) { + l2 = (l2 + 1) % goodLen; + } + + set.add(goodFortunes[l1].event); + set.add(goodFortunes[l2].event); + + let r1 = (((seed1 >> 1) + (d.getMonth() << 3)) % badLen + badLen) % badLen; + while (set.has(badFortunes[r1].event)) { + r1 = (r1 + 2) % badLen; + } + set.add(badFortunes[r1].event); + let r2 = ((((((seed1 << 3) + (d.getFullYear() >> 5) * (date << 2)) % badLen) * seed2) >> 6) % badLen + badLen) % badLen; + while (set.has(badFortunes[r2].event)) { + r2 = (r2 + 1) % badLen; + } + + // write l1, l2, r1, r2 + buckets[index][0] = l1; + buckets[index][1] = l2; + buckets[index][2] = r1; + buckets[index][3] = r2; +}