tsg-ut/mnemo

module.exports = {
    name: 'parity',
    version: 4,
    parts: {
        wireI: null,
        wireL: null,
        wireT: null,
        wireX: null,
        'times-2': null,
        'times-3': null,
        'plus-1': null,
        'plus-2': null,
        'minus-1': null,
        'minus-2': null,
        equal: null,
        add: null,
        sub: null,
        div: null,
        mul: null,
        conditional: null,
        transistor: null,
        diode: null,
    },
    inputX: 9,
    outputX: 9,
    input: [null, null, null],
    output: [null, null, null],
    ioGenerator: (random) => {
        const sumOfDigits = (n) => (
            n.toString().split('').map((d) => parseInt(d)).reduce((a, b) => a + b)
        );

        const parity = (n) => sumOfDigits(n) % 10;

        const inputs = [];

        // Sum of digits is less than 10
        inputs.push((() => {
            let n = null;

            do {
                n = 1000 + Math.floor(9000 * random());
            } while (!(sumOfDigits(n) < 10));

            return n;
        })());

        // Sum of digits is less than 20
        inputs.push((() => {
            let n = null;

            do {
                n = 1000 + Math.floor(9000 * random());
            } while (!(sumOfDigits(n) >= 10 && sumOfDigits(n) < 20));

            return n;
        })());

        // Sum of digits is equal or greater than 20
        inputs.push((() => {
            let n = null;

            do {
                n = 1000 + Math.floor(9000 * random());
            } while (!(sumOfDigits(n) >= 20));

            return n;
        })());

        return {
            input: inputs,
            output: inputs.map(parity),
        };
    },
    width: 19,
    height: 19,
    clockLimit: 500,
    statement: '与えられた四桁の数の各桁の和をmod 10したものを計算してみよう!',
    title: 'パリティ',
};