Node.jsバックアップアルゴリズム3

1. 11021 A+B-7

const readline = require("readline");

const rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout,
});

let input = [],
    i = 1,
    result = "";

rl.on("line", function (line) {
    input.push(line);
}).on("close", function () {
    const count = Number(input[0]);

    for (i; i <= count; i++) {
        const sum = input[i].split(" ").reduce(function (acc, cur) {
            return Number(acc) + Number(cur);
        }, 0);

        result += `Case #${i}: ${sum}\n`;
    }

    console.log(result);
    process.exit();
});

2. 11022 A+B-8

const readline = require("readline");

const rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout,
});

let input = [],
    i = 1,
    result = "";
function createText(arr) {
    let _result = "";
    let _sum = 0;
    const arrayLength = arr.length;

    for (let j = 0; j < arrayLength; j++) {
        if (j !== arrayLength - 1) {
            _result += `${arr[j]} + `;
        } else {
            _result += `${arr[j]}`;
        }

        _sum += Number(arr[j]);
    }

    return `${_result} = ${_sum}\n`;
}

rl.on("line", function (line) {
    input.push(line);
}).on("close", function () {
    const count = parseInt(input[0]);

    for (i; i <= count; i++) {
        result += `Case #${i}: ${createText(input[i].split(" "))}`;
    }

    console.log(result);

    process.exit();
});

2438星-1拍摄

const fs = require("fs");
const input = fs.readFileSync("/dev/stdin");

function solution(loopCount) {
    let result = "";
    let i = 1;

    for (i; i <= loopCount; i++) {
        let j = 0;
        let starString = "";

        for (j; j < i; j++) {
            starString += "*";
        }

        result += starString + "\n";
    }

    console.log(result);
}

solution(input);

2439星-2を撮影

const fs = require("fs");
const input = fs.readFileSync("/dev/stdin");

function solution(loopCount) {
    let result = "",
        i = 0;

    for (i; i < loopCount; i++) {
        // 1.
        let j = loopCount - i - 1,
            // 2.
            k = i + 1,
            starString = "";

        for (j; j > 0; j--) {
            starString += " ";
        }

        for (k; k > 0; k--) {
            starString += "*";
        }

        result += starString + "\n";
    }

    console.log(result);
}

solution(input);