結果
| 問題 | No.220 世界のなんとか2 |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2021-03-31 23:42:26 |
| 言語 | TypeScript (5.7.2) |
| 結果 |
AC
|
| 実行時間 | 70 ms / 1,000 ms |
| コード長 | 2,393 bytes |
| コンパイル時間 | 8,509 ms |
| コンパイル使用メモリ | 231,028 KB |
| 実行使用メモリ | 42,092 KB |
| 最終ジャッジ日時 | 2024-12-31 16:35:33 |
| 合計ジャッジ時間 | 10,613 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 19 |
ソースコード
import * as fs from 'fs'
// import * as readline from 'readline'
// const rl = readline.createInterface({ input: process.stdin, output: process.stdout })
// const ask = (query: string) => new Promise<string>((resolve) => rl.question(query, resolve))
// // Don't forget `rl.close()`.
const INT = Math.floor
declare global {
interface Array<T> {
last(): T | undefined
isEmpty(): boolean
}
}
Array.prototype.last = function () {
return this.length === 0 ? undefined : this[this.length - 1]
}
Array.prototype.isEmpty = function () {
return this.length === 0
}
const bigIntMax = (...args: bigint[]) => args.reduce((m, e) => (e > m ? e : m))
const bigIntMin = (...args: bigint[]) => args.reduce((m, e) => (e < m ? e : m))
const bigIntAbs = (arg: bigint) => (arg < 0 ? -arg : arg)
declare const stdin: number
function read_stdin() {
return fs.readFileSync(process.env.NODE_ENV === 'debug' ? stdin : process.stdin.fd, 'utf8')
}
class Input {
readonly inputs: string[]
private index = 0
constructor(str?: string) {
this.inputs = (str ? str : read_stdin()).split(/\s+/)
}
number() {
return Number(this.inputs[this.index++])
}
numbers(n: number) {
return this.inputs.slice(this.index, (this.index += n)).map(Number)
}
bigint() {
return BigInt(this.inputs[this.index++])
}
bigints(n: number) {
return this.inputs.slice(this.index, (this.index += n)).map(BigInt)
}
word() {
return this.inputs[this.index++]
}
words(n: number) {
return this.inputs.slice(this.index, (this.index += n))
}
}
function array<T>(len: number, init: T): T[] {
return Array(len).fill(init)
}
function array2<T>(h: number, w: number, init: T): T[][] {
return array(h, 0).map(() => array(w, init))
}
function main() {
const input = new Input()
const P = input.number()
const HAVENT3 = 0
const HAS3 = 1
let dp = array2(3, 2, 0n)
dp[0][HAVENT3] = 1n
for (let i = 0; i < P; i++) {
const dp2 = array2(3, 2, 0n)
for (let mod3 = 0; mod3 < 3; mod3++) {
for (let n3 = 0; n3 < 2; n3++) {
for (let j = 0; j < 10; j++) {
let curr_mod3 = (mod3 + j) % 3
let curr_n3 = j === 3 ? HAS3 : n3
dp2[curr_mod3][curr_n3] += dp[mod3][n3]
}
}
}
dp = dp2
}
const ans = dp[0][HAVENT3] + dp[0][HAS3] + dp[1][HAS3] + dp[2][HAS3]
console.log((ans - 1n).toString())
}
main()