USACO Language Selector

Automatically selects language to submit based on file extension

Du musst eine Erweiterung wie Tampermonkey, Greasemonkey oder Violentmonkey installieren, um dieses Skript zu installieren.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

Sie müssten eine Skript Manager Erweiterung installieren damit sie dieses Skript installieren können

(Ich habe schon ein Skript Manager, Lass mich es installieren!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         USACO Language Selector
// @version      1.0
// @description  Automatically selects language to submit based on file extension
// @match        *usaco.org/index.php?page=viewproblem2&cpid=*
// @namespace https://greasyfork.org/users/731318
// ==/UserScript==

const fileExtensionToLanguage = {
    c: 0, //C
    cpp: 2, //C++11
    java: 3, //Java
    pas: 4, //Pascal
    py: 6, //Python 3.4.0
}

const languageSelector = document.getElementsByName("language")[0]
const fileSelector = document.getElementsByName("sourcefile")[0]

fileSelector.onchange = function () {
    const files = fileSelector.files
    if (files.length > 0) {
        const file = files[0]
        const name = file.name
        const extension = name.substr(name.lastIndexOf(".") + 1)
        if (extension.toLowerCase() in fileExtensionToLanguage) {
            languageSelector.selectedIndex = fileExtensionToLanguage[extension]
        }
    }
}