// ==UserScript==
// @name         Trim Cf blog content
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  trim codeforces blogs to some paragraphs
// @author       You
// @match        https://mirror.codeforces.com/favourite/blogEntries
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    var num = 1;// change it to the number of paragraphs you want to see
    var list = document.getElementsByClassName("ttypography");
    for(var i = 0; i < list.length; ++i){
        var ptags = list[i].children
        for(var j = parseInt(num); j < ptags.length; ++j){
            ptags[j].style.display = "none";
            console.log(ptags[i]);
        }
    }
})();