omas-public

paizaの森練習問題コンテスト過去問題1

スポーツの人数

if文を使用

(() => {

  // define function

omas-public

const createInfo = (start, max) => {
    const threads = GmailApp.getInboxThreads(start, max)
    const matrix = threads.map(v => (
        [
            v.getId(),
            v.getFirstMessageSubject(),
            v.getMessageCount()
        ]
    ))
    return matrix

omas-public

#!/bin/sh

VERSION='90'
TUTOR_DIR="/usr/share/vim/vim$VERSION/tutor"
TUTOR_JA=$(tempfile -p 'ja')
TUTOR=$(tempfile -p 'en')
chmod +w $TUTOR
cp $TUTOR_DIR/tutor.ja.utf-8 $TUTOR_JA
cp $TUTOR_DIR/tutor $TUTOR                                                  

omas-public

JangKeng App

コンピュータとじゃんけんするゲーム

• プレイヤーは手を選択
• コンピュータはランダムで手を選択
• 勝敗を判定して表示

Step 1 [インターフェース表示まで]

omas-public

import React, { useState, useEffect } from 'react'

const ViewForm = ({ text }) => <p>text: {text}</p>

const ActionForm = ({ fn }) => {
  const [inputValue, setInputValue] = useState('')
  const handleChange = (e) => {
    setInputValue(e.target.value)
  }
  const handleClick = e => fn(inputValue)

omas-public

import React, { useState, useEffect } from "react";

import axios from "axios";
const todoDataUrl = "http://localhost:3100/todos";

function App() {
  const [todoList, setTodoList] = useState([]);

  useEffect(() => {
    const fetchData = async () => {

omas-public

import { useState, useEffect } from 'react'
const Clock = props => {
  const [date, setDate] = useState(props.date)
  const tick = () => setDate(new Date())
  useEffect(() => {
    const timerID = setInterval(tick, 1000)
    return () => clearInterval(timerID)
  }, [])
  return (
    <div>

omas-public

import { useEffect, useState } from 'react'

const SampleList = ({ values }) => (
  <ul>
    {
      values.map(({ id, item }) =>
        <li key={id}>{item}</li>
      )
    }
  </ul>

omas-public

import { useState } from 'react'
const FormView = ({ count }) => (
  <p>{count}</p>
)
const ActionView = ({ handleClick }) => (
  <button 
    onClick={handleClick}
  >
    count up
  </button>

omas-public

import React, { useState } from 'react'
import './App.css'

const VueForm = ({ checkedValue }) => (
  <p>
    現在選択されている値：<b>{checkedValue}</b>
  </p>)

const RadioBtnItems = ({ handleChange, checkedValue, values }) => (
  values.map(v =>