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| const identity = v => v | |
| const join = (sep = '\n') => array => array.join(sep) | |
| const split = (sep = ' ') => string => string.split(sep) | |
| const seq = (size, start) => [...Array(size)].map((_, i) => i + start) | |
| const inputs = (file = '/dev/stdin') => { | |
| const stream = require('fs').readFileSync(file, 'utf-8').trim() | |
| const toArray = sep => fn => iter => Array.from(split(sep)(iter), fn) | |
| return { | |
| readCols: (fn = identity) => toArray(' ')(fn)(stream), | |
| readRows: (fn = identity) => toArray('\n')(fn)(stream), | |
| readStream: (fn = identity) => fn(stream), | |
| readMatrix: (fn = identity) => toArray('\n')(identity)(stream) | |
| .map(toArray(' ')(fn)) | |
| } | |
| } | |
| const outputs = v => { | |
| const _print = fn => v => console.log(fn(v)) | |
| return { | |
| toLine: () => _print(identity)(v), | |
| toCols: () => _print(join(' '))(v), | |
| toRows: () => _print(join('\n'))(v), | |
| toJSON: () => _print(JSON.stringify)(v), | |
| toMatrix: () => _print(join('\n'))(v.map(join(' '))) | |
| } | |
| } | |
| const product = (...iters) => iters.reduce( | |
| (a, b) => a.flatMap(d => b.map(e => [d, e].flat()))) | |
| // 即時実行関数(main) | |
| (() => { | |
| // define function | |
| const fn = (N, M) => { | |
| // ここに処理を書く | |
| return [seq(N, 1), seq(M, 1)] | |
| } | |
| // declare varriable | |
| const [N, M] = inputs().readCols(Number) | |
| // processing | |
| const result = fn(N, M) | |
| // display | |
| outputs(result).toJSON() | |
| })() |
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