-
Notifications
You must be signed in to change notification settings - Fork 0
/
script.js
101 lines (96 loc) · 3.12 KB
/
script.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
const fs = require('fs');
const path = require('path');
const execSync = require('child_process').execSync;
// 덧셈
function bigNumberAdd(a, b) {
a = a.toString();
b = b.toString();
let result = '', carry = 0;
let len = Math.max(a.length, b.length);
a = a.padStart(len, '0');
b = b.padStart(len, '0');
for (let i = len - 1; i >= 0; i--) {
let sum = Number(a[i]) + Number(b[i]) + carry;
result = (sum % 10) + result;
carry = Math.floor(sum / 10);
}
if (carry > 0) result = carry + result;
return result;
}
// 곱셈
function bigNumberMultiply(a, b) {
a = a.toString();
b = b.toString();
let result = '0';
for (let i = b.length - 1; i >= 0; i--) {
let row = '', carry = 0;
for (let j = a.length - 1; j >= 0; j--) {
let product = Number(b[i]) * Number(a[j]) + carry;
row = (product % 10) + row;
carry = Math.floor(product / 10);
}
if (carry > 0) row = carry + row;
row += '0'.repeat(b.length - 1 - i);
result = bigNumberAdd(result, row);
}
return result;
}
// 뺄셈
function bigNumberSubtract(a, b) {
a = a.toString();
b = b.toString();
if (a == b) {
return "0";
}
let result = '', borrow = 0;
let len = Math.max(a.length, b.length);
a = a.padStart(len, '0');
b = b.padStart(len, '0');
for (let i = len - 1; i >= 0; i--) {
let diff = Number(a[i]) - Number(b[i]) - borrow;
if (diff < 0) {
diff += 10;
borrow = 1;
} else {
borrow = 0;
}
result = diff + result;
}
if (borrow > 0) result = '-' + bigNumberSubtract(b, a);
return result.replace(/^0+/, '');
}
execSync(`git pull origin main`);
let startNum = fs.readFileSync('max', 'utf8');
let endNum;
if (process.argv[2]) {
endNum = bigNumberAdd(startNum, process.argv[2]);
}else{
endNum = bigNumberAdd(startNum, "1");
}
for (let i = startNum; bigNumberSubtract(endNum, i).includes("-") == false && bigNumberSubtract(endNum, i) != "0"; i = bigNumberAdd(i, "1")) {
if (i.slice(-1) % 2 == 0) {
console.log([i, bigNumberMultiply(i, "5").slice(0, -1), "...", "1"]);
continue;
}
n = i;
let HailStoneNumber = [n];
while (n != 1) {
if (n.slice(-1) % 2 == 0) {
n = bigNumberMultiply(n, "5").slice(0, -1);
}else{
n = bigNumberAdd(bigNumberMultiply(n, "3"), "1");
}
if (bigNumberSubtract(i, n).includes("-") == false && bigNumberSubtract(i, n) != "0") {
HailStoneNumber.push("...");
HailStoneNumber.push("1");
break;
}
HailStoneNumber.push(n);
}
console.log(HailStoneNumber);
}
fs.writeFileSync('max', endNum);
execSync(`git config user.name "github-actions[bot]"`);
execSync(`git config user.email "github-actions[bot]@users.noreply.github.com"`);
let commitMessage = endNum - startNum > 1 ? `Calculated from ${bigNumberAdd(startNum, '1')} ~ ${endNum}, no counterexamples` : `Calculated ${endNum}, no counterexample`;
execSync(`git add . && git commit -m "${commitMessage}" && git push`);