#M は立候補者の人数を、N は有権者の人数を、K は演説が行われる回数
m,n,k = gets.split(" ").map &:to_i
#誰がどの順番で演説したかを表す整数 a_1, ..., a_K
a = readlines.map &:to_i
#立候補者の人数に応じて、支持者の人数を図れる配列を用紙
r=[]
m.times {r.push(0)}
#すべての演説が終わった後、最も支持者が多い立候補者の番号(複数ある場合は、すべて出力)
a.each do |i|
#誰も支持していない人が、指示をする
if n >0
n -= 1
r[i-1] += 1
end
#他の人を支持している人が、指示をする
r.count.times do |t|
if r[t] >0
r[t] -= 1
r[i-1] += 1
end
end
end
#最大数を返す
r.each_index do |t|
if r[t] == r.max
puts t+1
end
end
group :development do
# Access an interactive console on exception pages or by calling 'console' anywhere in the code.
gem 'web-console', '>= 3.3.0'
gem 'listen', '>= 3.0.5', '< 3.2'
# Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
gem 'spring'
gem 'spring-watcher-listen', '~> 2.0.0'
gem 'pry-rails'
gem 'pry-doc'
gem 'pry-byebug'
gem 'pry-stack_explorer'
gem 'jquery-rails'
gem 'bcrypt'
gem 'carrierwave'
end
application.js
// This is a manifest file that'll be compiled into application.js, which will include all the files// listed below.//// Any JavaScript/Coffee file within this directory, lib/assets/javascripts, or any plugin's// vendor/assets/javascripts directory can be referenced here using a relative path.//// It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the// compiled file. JavaScript code in this file should be added after the last require_* statement.//// Read Sprockets README (https://github.com/rails/sprockets#sprockets-directives) for details// about supported directives.////= require rails-ujs//= require activestorage//= require turbolinks//= require bootstrap-sprockets//= require jquery//= require_tree .
Started POST "/users" for ::1 at 2019-06-26 17:51:29 +0900
Processing by UsersController#create as HTML
Parameters: {"utf8"=>"✓", "authenticity_token"=>"VKkdJMhrlEzltFp
cD4OJLPN/LhgoyBHmIRj7R6Y+1Z/vn2QXJ60dLptQuvzdmYi/FBCRlSHsBljz/BpW9
PaQQg==", "user"=>{"name"=>"***", "email"=>"***", "passeword"=>"***", "password_confimation"=>"[FILTERED]"}, "commit"=>"登録"}Unpermitted parameters: :passeword, :password_confimation
(0.5ms) BEGIN
↳ app/controllers/users_controller.rb:8
(0.3ms) ROLLBACK
↳ app/controllers/users_controller.rb:8
Rendering users/new.html.erb within layouts/application
Rendered users/new.html.erb within layouts/application (2.1ms)
User Load (0.2ms) SELECT `users`.* FROM `users` WHERE `users`.
`id` IS NULL LIMIT 1
↳ app/controllers/concerns/common_actions.rb:5
Completed 200 OK in 69ms (Views: 58.3ms | ActiveRecord: 1.1ms)
Started GET "/users/new" for ::1 at 2019-06-26 17:54:52 +0900
Processing by UsersController#new as HTML
Rendering users/new.html.erb within layouts/application
Rendered users/new.html.erb within layouts/application (2.3ms)
User Load (0.4ms) SELECT `users`.* FROM `users` WHERE `users`.
`id` IS NULL LIMIT 1
↳ app/controllers/concerns/common_actions.rb:5
Completed 200 OK in 83ms (Views: 80.0ms | ActiveRecord: 0.4ms)
ここで以下の記述に注目した
(0.3ms) ROLLBACK
↳ app/controllers/users_controller.rb:8
Rendering users/new.html.erb within layouts/application
Rendered users/new.html.erb within layouts/application (2.1ms)
ActiveRecord::RecordInvalid (Validation failed: Password can't be
blank, Password is too short (minimum is 8 characters), Password i
s invalid):
app/controllers/users_controller.rb:8:in `create'
この画面で記事一覧のタイトルをクリックすると↓
Unable to autoload constant Blog_content, expected /Users/horiguchihiroki/blog/app/models/blog_content.rb to define it
Extracted source (around line #13):
11 def show
12 @blog = Blog_content.find_by(id: params[:id])
13 end
14
15
16
Rails.root: /Users/horiguchihiroki/blog
Application Trace | Framework Trace | Full Trace
app/controllers/blogs_controller.rb:13:in `show'
発生しているエラー(上記が見にくいのでマークダウンにしました)
Unable to autoload constant Blog_content, expected /Users/horiguchihiroki/blog/app/models/blog_content.rb to define it
@blog = Blog_contents.find_by(id: params[:id])
→コントローラのこの部分に赤線
Rails.application.routes.drawdorootto: 'pages#index'resources:blogsdevise_for:users,controllers:{regisrations: 'users/regisrations',sessions: 'users/sessions'}# For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.htmlend
補足でrake routesの結果↓
Prefix Verb URI Pattern Controller#Action
root GET / pages#index
blogs GET /blogs(.:format) blogs#index
POST /blogs(.:format) blogs#create
new_blog GET /blogs/new(.:format) blogs#new
edit_blog GET /blogs/:id/edit(.:format) blogs#edit
blog GET /blogs/:id(.:format) blogs#show
PATCH /blogs/:id(.:format) blogs#update
PUT /blogs/:id(.:format) blogs#update
DELETE /blogs/:id(.:format) blogs#destroy
new_user_session GET /users/sign_in(.:format) users/sessions#new
user_session POST /users/sign_in(.:format) users/sessions#create
destroy_user_session DELETE /users/sign_out(.:format) users/sessions#destroy
new_user_password GET /users/password/new(.:format) devise/passwords#new
edit_user_password GET /users/password/edit(.:format) devise/passwords#edit
user_password PATCH /users/password(.:format) devise/passwords#update
PUT /users/password(.:format) devise/passwords#update
POST /users/password(.:format) devise/passwords#create
cancel_user_registration GET /users/cancel(.:format) devise/registrations#cancel
new_user_registration GET /users/sign_up(.:format) devise/registrations#new
edit_user_registration GET /users/edit(.:format) devise/registrations#edit
user_registration PATCH /users(.:format) devise/registrations#update
PUT /users(.:format) devise/registrations#update
DELETE /users(.:format) devise/registrations#destroy
POST /users(.:format) devise/registrations#create
rails_service_blob GET /rails/active_storage/blobs/:signed_id/*filename(.:format) active_storage/blobs#show
rails_blob_representation GET /rails/active_storage/representations/:signed_blob_id/:variation_key/*filename(.:format) active_storage/representations#show
rails_disk_service GET /rails/active_storage/disk/:encoded_key/*filename(.:format) active_storage/disk#show
update_rails_disk_service PUT /rails/active_storage/disk/:encoded_token(.:format) active_storage/disk#update
rails_direct_uploads POST /rails/active_storage/direct_uploads(.:format) active_storage/direct_uploads#create
$ bin/rails db:migrate:status
database: backbone_development
Status Migration ID Migration Name
--------------------------------------------------
up 20190608225735 Create user
down 20190622004922 Add email to user
database: library_development
Status Migration ID Migration Name
--------------------------------------------------
up 20190608225808 Create book
down 20190622005021 Add isbn to book
どちらか1つのデータベースのマイグレーションの状態を知りたい場合は、 status に続けて :backbone か :library を指定します。
$ bin/rails db:migrate:status:backbone
database: backbone_development
Status Migration ID Migration Name
--------------------------------------------------
up 20190608225735 Create user
down 20190622004922 Add email to user
$ bin/rails db:migrate:status:library
database: library_development
Status Migration ID Migration Name
--------------------------------------------------
up 20190608225808 Create book
down 20190622005021 Add isbn to book
-title:How to write web sites with slimauthor:R. Robota, T. Tanakajournal:Ruby Journalyear:2010volume:10page:1-7arxiv:1234.56789-title:Using YAML file with slimauthor:R. Robotajournal:Journal of Slimyear:2018volume:8page:1275-title:This is a sample file for Slim and YAMLauthor:S. Yaml, T. XML and R. Robotajournal:J. Yaml. Phys.year:2017volume:3page:12-18arxiv:1908.01234
Running via Spring preloader in process 1893
create app/mailers/contact_mailer.rb
invoke erb
create app/views/contact_mailer
invoke rspec
create spec/mailers/contact_mailer_spec.rb
create spec/mailers/previews/contact_mailer_preview.rb
#入力の受付
input_line = gets.chomp.split(" ")
#文字を配列になおす
collect = input_line[1].split("") #答えの文字列
testings = input_line[2].split("") #受け取った文字列
#試行回数をカウントする変数
a = 0
testings.each do
#もしも文字列が一致すれば、終了して試行回数を表示する
if collect == testings
puts a
break
else
#文字列が一致しなければ、配列を入れ替える
t = testings[0]
testings.shift()
testings.push(t)
end
a += 1
end
a + b = c
または
a - b = c
などで、a,b,cのいずれかが、虫食いになっている場合の、回答作成方法
実際のコード
#入力は、 a + b = x や、 a - x = c などの形で来る
#入力の受付
input_line = gets.chomp.split(" ")
#それぞれ変数に代入する
#これ一行でも表せる。 a,enzan, b, equal, c = input_line.to_a
a = input_line[0]
b = input_line[2]
c = input_line[4]
enzan = input_line[1]
#"x"の位置と、"enzan"の値によって、出力する計算式を変える。
if a == "x"
if enzan == "+"
puts c.to_i - b.to_i
else
puts c.to_i + b.to_i
end
elsif b == "x"
if enzan == "+"
puts c.to_i - a.to_i
else
puts a.to_i - c.to_i
end
else
if enzan == "+"
puts a.to_i + b.to_i
else
puts a.to_i - b.to_i
end
end
Running via Spring preloader in process 40810
invoke active_record
create db/migrate/20190626153731_create_impressions_table.rb
create config/initializers/impression.rb
