cf-analyzer/index.html at main · arijit4/cf-analyzer · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
  <title>cf.analyzer — coder's edge</title>
  <meta name="description" content="Codeforces profile analysis — problem suggestions, streaks, and progression." />
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  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
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  <link rel="stylesheet" href="style.css">
</head>
<body>
  <div class="app">

    <!-- Background dot grid -->
    <svg class="bg-grid" xmlns="http://www.w3.org/2000/svg" aria-hidden="true">
      <defs>
        <pattern id="dots" width="28" height="28" patternUnits="userSpaceOnUse">
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        </pattern>
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      <rect width="100%" height="100%" fill="url(#dots)"/>
    </svg>

    <!-- Header -->
    <header class="header">
      <div class="container header-inner">
        <div class="brand">
          <div class="brand-logo mono"><span class="brace">{</span>CF<span class="brace">}</span></div>
          <div>
            <div class="brand-name">cf.analyzer</div>
            <div class="brand-sub mono">coder's edge<span class="blink">_</span></div>
          </div>
        </div>
        <div class="api-badge mono"><span class="api-dot"></span>API online</div>
      </div>
    </header>

    <main class="main">
      <div class="container">

        <!-- Hero Search -->
        <section class="hero">
          <div class="hero-left">
            <h1 class="hero-title">
              <span class="mono kw">fn</span> <span class="mono">analyze</span>(<span class="mono param">handle</span>: <span class="mono">str</span>)
              <span class="mono arrow">→</span> <span class="mono ret">insights</span>
            </h1>
            <p class="hero-desc">Enter your Codeforces handle to get problem suggestions, streak tracking, and progression insights.</p>
            <form id="searchForm" class="search-row" autocomplete="off">
              <div class="input-box">
                <span class="mono prompt">$</span>
                <input id="handleInput" type="text" placeholder="tourist" autocapitalize="off" spellcheck="false" required aria-label="Codeforces handle" />
                <span class="mono ext">.cf</span>
              </div>
              <button id="analyzeBtn" class="btn-primary mono" type="submit">analyze</button>
            </form>
            <p class="hero-hint">Press <kbd class="mono">Enter</kbd> to run</p>
          </div>
          <div class="hero-right">
            <div class="code-win">
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                <span class="win-dot red"></span>
                <span class="win-dot yellow"></span>
                <span class="win-dot green"></span>
                <span class="win-title mono">suggestion.cpp</span>
              </div>
              <pre class="win-code mono"><span class="c">// practice pick for @<span id="cppHandle">tourist</span></span>
<span class="kw">auto</span> problem = <span class="fn">pickPracticeProblem</span>(
  <span class="c">/* rating */</span> <span class="num" id="cppRating">1700</span>,
  <span class="c">/* focusTags */</span> {<span class="str" id="cppTags">"dp", "graphs"</span>}
);

<span class="kw">cout</span> << problem.<span class="prop">url</span> << <span class="str">"\n"</span>;
<span class="c">// -> "<a id="cppUrl" href="https://codeforces.com/problemset/problem/1234/D" target="_blank" rel="noopener noreferrer" class="code-link">https://codeforces.com/problemset/problem/1234/D</a>"</span></pre>
            </div>
          </div>
        </section>

        <!-- Loader -->
        <div id="loader" class="loader hidden" aria-live="polite" aria-label="Loading">
          <div class="loader-track"><div class="loader-fill"></div></div>
          <p class="mono loader-text">compiling insights<span class="ellipsis"></span></p>
        </div>

        <!-- Error -->
        <div id="errorBox" class="error-box hidden" role="alert"></div>

        <!-- Results -->
        <section id="results" class="results hidden" aria-live="polite">

          <!-- Row 1: Profile -->
          <div class="card profile-card">
            <div class="profile-left">
              <div class="avatar-wrap">
                <img id="avatar" class="avatar" alt="avatar" />
                <span id="rankBadge" class="rank-badge mono">unrated</span>
              </div>
              <div class="profile-info">
                <div class="handle-row">
                  <span id="handleDisplay" class="handle mono">handle</span>
                  <span id="country" class="country">Earth</span>
                </div>
                <div class="rating-row">
                  <div class="r-block">
                    <div class="r-label">rating</div>
                    <div id="rating" class="r-val mono">—</div>
                  </div>
                  <div class="r-divider"></div>
                  <div class="r-block">
                    <div class="r-label">max</div>
                    <div id="maxRating" class="r-val mono">—</div>
                  </div>
                  <div class="r-divider"></div>
                  <div class="r-block">
                    <div class="r-label">last Δ</div>
                    <div id="lastDelta" class="r-val mono">—</div>
                  </div>
                </div>
              </div>
            </div>
            <div class="profile-stats">
              <div class="pstat">
                <div class="pstat-val mono" id="solvedCount">—</div>
                <div class="pstat-label">solved</div>
              </div>
              <div class="pstat">
                <div class="pstat-val mono" id="totalSubs">—</div>
                <div class="pstat-label">submissions</div>
              </div>
              <div class="pstat">
                <div class="pstat-val mono" id="contribution">—</div>
                <div class="pstat-label">contribution</div>
              </div>
            </div>
            <div class="profile-weak">
              <div class="weak-title">weak areas</div>
              <div id="weakTags" class="tag-list"></div>
            </div>
          </div>

          <!-- Row 2: Streak + Suggestion -->
          <div class="two-col">

            <!-- Streak -->
            <div class="card">
              <div class="card-header">
                <span class="card-title">streak & activity</span>
                <span class="card-meta mono" id="streakWindowMeta">last 70 days</span>
              </div>
              <div class="streak-row">
                <div class="streak-stat">
                  <div class="streak-val mono" id="currentStreak">0</div>
                  <div class="streak-lbl">current <span>🔥</span></div>
                </div>
                <div class="streak-stat">
                  <div class="streak-val mono" id="maxStreak">0</div>
                  <div class="streak-lbl">longest</div>
                </div>
                <div class="streak-stat">
                  <div class="streak-val mono" id="activeDays">0</div>
                  <div class="streak-lbl">active days</div>
                </div>
              </div>
              <div id="activityCalendar" class="calendar"></div>
              <div class="cal-legend">
                <span>less</span>
                <span class="leg l0"></span><span class="leg l1"></span>
                <span class="leg l2"></span><span class="leg l3"></span>
                <span>more</span>
              </div>
            </div>

            <!-- Problem Suggestion -->
            <div class="card">
              <div class="card-header">
                <span class="card-title">suggested problem</span>
                <button id="newProblemBtn" class="btn-ghost btn-refresh mono" type="button">new ⟳</button>
              </div>
              <div id="problemCard" class="problem-area">
                <p class="empty-state">Enter a handle to get suggestions</p>
              </div>
            </div>

          </div>

          <!-- Row 3: Rating Chart -->
          <div class="card">
            <div class="card-header">
              <span class="card-title">rating progression</span>
              <span class="card-meta mono" id="contestCount">0 contests</span>
            </div>
            <div class="chart-area">
              <canvas id="ratingChart"></canvas>
            </div>
            <div class="chart-footer">
              <div class="cfstat"><div class="cfstat-label">best rank</div><div class="cfstat-val mono" id="bestRank">#—</div></div>
              <div class="cfstat"><div class="cfstat-label">worst rank</div><div class="cfstat-val mono" id="worstRank">#—</div></div>
              <div class="cfstat"><div class="cfstat-label">avg Δ/contest</div><div class="cfstat-val mono" id="avgDelta">—</div></div>
            </div>
          </div>

          <!-- Row 4: Distribution -->
          <div class="card">
            <div class="card-header">
              <span class="card-title">solved by rating</span>
              <span class="card-meta mono">distribution</span>
            </div>
            <div id="ratingBars" class="bars"></div>
          </div>

        </section>
      </div>
    </main>

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      <div class="container footer-inner">
        <span class="mono footer-left">cf.analyzer v3.0 · <a href="https://codeforces.com" target="_blank" rel="noopener" class="link">codeforces.com</a></span>
        <span class="mono footer-right">client-side only · no tracking</span>
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