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2403 lines (2133 loc) · 90.4 KB
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>CS50P Problem Set 2 – Interactive Student Guide</title>
<meta name="description"
content="Student-facing interactive support guide for CS50P Problem Set 2 with lecture concept mapping, official CS50 links, and an in-browser Python runner." />
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margin: 6px 0;
}
.start-here strong {
display: block;
margin-bottom: 4px;
color: #14532d;
}
/* ── If You're Stuck box ── */
.if-stuck {
background: #fff7ed;
border: 1px solid #fdba74;
border-radius: 8px;
padding: 8px 12px;
margin: 6px 0;
font-size: 0.9rem;
}
.if-stuck strong {
display: block;
margin-bottom: 4px;
color: #7c2d12;
}
/* ── Do / Don't card ── */
.do-dont {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 10px;
}
.dont-box {
background: #fee2e2;
border: 1px solid #fca5a5;
border-radius: 10px;
padding: 10px 12px;
}
.do-box {
background: #dcfce7;
border: 1px solid #86efac;
border-radius: 10px;
padding: 10px 12px;
}
.do-box strong,
.dont-box strong {
display: block;
margin-bottom: 6px;
}
/* ── Accessibility controls ── */
.accessibility-controls {
margin-top: 0;
padding: 10px 12px;
}
.accessibility-controls h2 {
margin: 0;
font-size: 1rem;
}
.accessibility-controls .tools-body {
margin-top: 8px;
}
.control-grid {
display: grid;
grid-template-columns: 1fr;
gap: 6px;
}
.control-grid label {
display: flex;
align-items: center;
gap: 8px;
font-size: 0.93rem;
}
.focus-nav {
margin-top: 8px;
display: flex;
gap: 8px;
flex-wrap: wrap;
align-items: center;
}
.focus-nav .ghost {
min-height: 36px;
padding: 6px 10px;
font-size: 0.82rem;
}
.focus-nav .ghost[hidden] {
display: none;
}
.focus-note {
margin-top: 6px;
color: var(--muted);
font-size: 0.86rem;
}
.compact-collapsible {
margin-top: 8px !important;
padding: 10px 12px;
}
.compact-collapsible .static-title {
margin: 0 0 8px;
color: var(--accent);
font-weight: 700;
font-size: 0.95rem;
}
.now-next {
margin: 6px 0 8px;
padding: 8px 10px;
border-radius: 8px;
border: 1px solid #bfdbfe;
background: #eff6ff;
font-size: 0.9rem;
color: #1e3a8a;
}
.path-steps {
display: flex;
flex-wrap: wrap;
gap: 6px;
margin-bottom: 8px;
}
.path-step {
display: inline-flex;
align-items: center;
border-radius: 999px;
border: 1px solid var(--border);
background: #f8fbff;
color: var(--muted);
font-size: 0.8rem;
padding: 2px 9px;
}
.runner-flow {
margin-top: 8px;
padding: 8px 10px;
border-radius: 8px;
border: 1px solid #cbd5e1;
background: #f8fafc;
}
.runner-flow .flow-title {
color: var(--accent);
font-weight: 700;
font-size: 0.9rem;
margin-bottom: 6px;
}
.runner-flow .checklist {
margin-top: 8px;
}
.layout>.grid>.card {
padding: 10px 12px;
}
.layout>.grid>.card>*:last-child {
margin-bottom: 0;
}
.layout>.grid>.card .callout {
margin-bottom: 0;
}
/* ── Error decoder ── */
.error-decoder ul {
margin-top: 8px;
margin-bottom: 0;
}
.error-decoder li {
margin-bottom: 6px;
}
.error-decoder code {
font-size: 0.84rem;
}
.error-decoder,
.debugging-checklist-card {
padding-bottom: 8px;
}
.error-decoder .callout,
.debugging-checklist-card .callout,
.debugging-checklist-card .checklist {
margin-bottom: 0;
}
/* ── One-problem focus mode ── */
body.mode-focus .problem-tabs {
gap: 0;
}
body.mode-focus .problem-tab {
display: none;
}
body.mode-focus .problem-tab.active {
display: inline-block;
}
/* ── Sensory preference modes ── */
body.mode-calm {
background: linear-gradient(180deg, #f6f8fc 0%, #f7fafc 64%);
}
body.mode-calm .card,
body.mode-calm .problem,
body.mode-calm .callout,
body.mode-calm .specs-bar,
body.mode-calm .start-here,
body.mode-calm .if-stuck,
body.mode-calm .io-example {
box-shadow: none;
filter: saturate(0.85);
}
body.mode-spacious p,
body.mode-spacious li,
body.mode-spacious td,
body.mode-spacious th,
body.mode-spacious .subtle,
body.mode-spacious .callout {
line-height: 1.7;
}
body.mode-large {
font-size: 1.08rem;
}
body.mode-motionless *,
body.mode-motionless *::before,
body.mode-motionless *::after {
animation: none !important;
transition: none !important;
scroll-behavior: auto !important;
}
@media (max-width: 600px) {
.do-dont {
grid-template-columns: 1fr;
}
}
@media (max-width: 980px) {
.top-hero {
margin-top: 8px;
}
}
</style>
</head>
<body>
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<main class="wrap" id="main-content">
<div class="topbar">
<a class="home-link" href="CS50P_Problem_Sets_Home.html" aria-label="Return to CS50P problem sets home">←
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<span class="chip">CS50P</span>
<span class="chip">Problem Set 2</span>
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<h1>CS50P – Problem Set 2 Help Page</h1>
<p class="lead">This page helps you practice each Problem Set 2 skill step by step. If you get stuck,
ask:
<strong>“Which Week 2 idea does this problem want me to use?”</strong>