solve "Generate IP Addresses"
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93c201ed1f
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@ -93,7 +93,7 @@ export async function main(ns) {
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}
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}
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}
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// last entry in the table is our awnser
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// last entry in the table is our answer
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return memoizationTable.pop()
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}],
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["Spiralize Matrix", (data) => {
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@ -230,8 +230,133 @@ export async function main(ns) {
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}
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return result
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}],
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// ["Generate IP Addresses", (data) => {
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// }],
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["Generate IP Addresses", (data) => {
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Array.prototype.swap = function (a, b) {
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this[a] = this.splice(b, 1, this[a])[0];
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return this;
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}
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// https://en.wikipedia.org/wiki/Permutation#Generation_in_lexicographic_order
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const permute = (a) => {
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// 1. Find the largest index k such that a[k] < a[k + 1]. If no such index exists, the permutation is the last permutation.
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let k = a.length - 2
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while (a[k] >= a[k + 1]) {
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k--
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if (k < 0) {
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return false
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}
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}
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// 2. Find the largest index l greater than k such that a[k] < a[l].
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let l = a.length - 1
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while (a[k] >= a[l]) {
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l--
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}
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// 3. Swap the value of a[k] with that of a[l].
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a.swap(k, l);
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// 4. Reverse the sequence from a[k + 1] up to and including the final element a[n].
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const length = a.length - (k + 1)
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for (let i = 0; i < length / 2; i++) {
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a.swap(k + 1 + i, a.length - i - 1)
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}
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return true
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}
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const genIp = (data, digitPermutation) => {
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let octets = []
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let i = 0
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for (const digitCount of digitPermutation) {
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let newOctet = data.slice(i, i + digitCount)
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// sanity tests
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if (parseInt(newOctet) > 255) {
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return null
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}
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if (newOctet.length != 1 && newOctet[0] === "0") {
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return null
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}
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octets.push(newOctet)
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i += digitCount
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}
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return octets.join(".")
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}
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// build the couple first permutations
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// dumb, but it works
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let basePermutations = []
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switch (data.length) {
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case 4:
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basePermutations = [
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[1, 1, 1, 1],
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]
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break
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case 5:
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basePermutations = [
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[1, 1, 1, 2],
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]
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break
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case 6:
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basePermutations = [
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[1, 1, 1, 3],
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[1, 1, 2, 2],
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]
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break
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case 7:
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basePermutations = [
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[1, 1, 2, 3],
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[1, 2, 2, 2],
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]
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break
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case 8:
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basePermutations = [
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[1, 2, 2, 3],
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[1, 1, 3, 3],
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[2, 2, 2, 2],
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]
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break
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case 9:
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basePermutations = [
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[2, 2, 2, 3],
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[1, 2, 3, 3],
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]
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break
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case 10:
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basePermutations = [
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[2, 2, 3, 3],
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[1, 3, 3, 3],
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]
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break
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case 11:
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basePermutations = [
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[2, 3, 3, 3],
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]
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break
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case 12:
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basePermutations = [
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[3, 3, 3, 3],
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]
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break
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}
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// permute
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let digitPermutations = []
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for (let i = basePermutations.length - 1; i >= 0; i--) {
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let currentDigitPermutation = basePermutations[i]
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do {
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// keep a copy of the current permutation
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digitPermutations.push(currentDigitPermutation.slice(0))
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} while (permute(currentDigitPermutation)) // permute until we are done
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}
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// generate ips
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let ips = []
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for (const digitPermutation of digitPermutations) {
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const ip = genIp(data, digitPermutation)
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if (ip != null) {
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ips.push(ip)
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}
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}
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return ips
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}],
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["HammingCodes: Integer to Encoded Binary", (data) => {
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const dataBits = data.toString(2).split("").map(x => parseInt(x))
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@ -330,12 +455,12 @@ export async function main(ns) {
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const plaintext = data[0].split("")
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const key = data[1].split("")
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let anwser = ""
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let answer = ""
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let keyIndex = 0
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for (const char of plaintext) {
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anwser += cypher(char, key[keyIndex++ % key.length])
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answer += cypher(char, key[keyIndex++ % key.length])
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}
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return anwser
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return answer
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}]
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])
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@ -347,7 +472,7 @@ export async function main(ns) {
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// ns.codingcontract.createDummyContract("Array Jumping Game") // ok
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// ns.codingcontract.createDummyContract("Array Jumping Game II") //ok
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// ns.codingcontract.createDummyContract("Merge Overlapping Intervals") // ok
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// ns.codingcontract.createDummyContract("Generate IP Addresses")
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// ns.codingcontract.createDummyContract("Generate IP Addresses") // ok
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// ns.codingcontract.createDummyContract("Algorithmic Stock Trader I")
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// ns.codingcontract.createDummyContract("Algorithmic Stock Trader II")
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// ns.codingcontract.createDummyContract("Algorithmic Stock Trader III")
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@ -367,45 +492,45 @@ export async function main(ns) {
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// ns.codingcontract.createDummyContract("Encryption I: Caesar Cipher") // ok
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// ns.codingcontract.createDummyContract("Encryption II: Vigenère Cipher") // ok
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// const server = "home"
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// for (const contract of ns.ls(server, '.cct')) {
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// const contractType = ns.codingcontract.getContractType(contract, server)
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// ns.print(`found contract ${contract} of type "${contractType}" on server ${server}`)
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// if (solvers.has(contractType)) {
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// ns.print("attempting to solve")
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// const anwser = solvers.get(contractType)(ns.codingcontract.getData(contract, server))
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// const reward = ns.codingcontract.attempt(anwser, contract, server)
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// if (reward == "") {
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// ns.print(`ERROR: failed to solve contract! anwser = ${anwser}`)
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// break
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// }
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// else {
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// ns.print(reward)
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// }
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// }
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// else {
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// ns.print(`WARNING: unknown contract type: ${contractType}`)
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// }
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// }
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for (const server of getServers()) {
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for (const contract of ns.ls(server, '.cct')) {
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const contractType = ns.codingcontract.getContractType(contract, server)
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ns.print(`found contract ${contract} of type "${contractType}" on server ${server}`)
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if (solvers.has(contractType)) {
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const anwser = solvers.get(contractType)(ns.codingcontract.getData(contract, server))
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const reward = ns.codingcontract.attempt(anwser, contract, server)
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if (anwser == "") {
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ns.print(`ERROR: failed to solve contract! anwser = ${anwser}`)
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break
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}
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else {
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ns.print(reward)
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}
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const server = "home"
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for (const contract of ns.ls(server, '.cct')) {
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const contractType = ns.codingcontract.getContractType(contract, server)
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ns.print(`found contract ${contract} of type "${contractType}" on server ${server}`)
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if (solvers.has(contractType)) {
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ns.print("attempting to solve")
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const answer = solvers.get(contractType)(ns.codingcontract.getData(contract, server))
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const reward = ns.codingcontract.attempt(answer, contract, server)
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if (reward == "") {
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ns.print(`ERROR: failed to solve contract! answer = ${answer}`)
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break
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}
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else {
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ns.print(`WARNING: unknown contract type: ${contractType}`)
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ns.print(reward)
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}
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}
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else {
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ns.print(`WARNING: unknown contract type: ${contractType}`)
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}
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}
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// for (const server of getServers()) {
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// for (const contract of ns.ls(server, '.cct')) {
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// const contractType = ns.codingcontract.getContractType(contract, server)
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// ns.print(`found contract ${contract} of type "${contractType}" on server ${server}`)
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// if (solvers.has(contractType)) {
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// const answer = solvers.get(contractType)(ns.codingcontract.getData(contract, server))
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// const reward = ns.codingcontract.attempt(answer, contract, server)
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// if (answer == "") {
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// ns.print(`ERROR: failed to solve contract! answer = ${answer}`)
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// break
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// }
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// else {
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// ns.print(reward)
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// }
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// }
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// else {
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// ns.print(`WARNING: unknown contract type: ${contractType}`)
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// }
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// }
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// }
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}
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