HTTP/2 200
date: Sun, 12 Oct 2025 00:19:20 GMT
content-type: text/html; charset=utf-8
content-encoding: gzip
cache-control: public, max-age=86400
referrer-policy: strict-origin-when-cross-origin
x-app-version: v251008-h-251010-1202
x-content-type-options: nosniff
x-frame-options: SAMEORIGIN
x-xss-protection: 1; mode=block
x-middleware-rewrite: /coursesv2/data-structures-coding-interviews-java/challenge-graph-valid-tree
vary: RSC, Next-Router-State-Tree, Next-Router-Prefetch, Accept-Encoding
x-nextjs-cache: HIT
etag: W/"as8o1q24zy7we0"
x-cloud-trace-context: ced514e4111601ffe1dbb69286773e27
via: 1.1 google
alt-svc: h3=":443"; ma=86400
cf-cache-status: MISS
set-cookie: __cf_bm=msUu4tqWy3njGLedIgw6qBAdVMfJEim3pYATQ8gajEM-1760228360-1.0.1.1-5HC4EAR017aAnzOfffHPzrlj_K8JUOObCVxCtVxqVNOvV_GVyvIsieWSgJ1K7KtSlhSks4qXN8IUpxgzv1ifsacEIhvsvGIG1wrkI8qrrtk; path=/; expires=Sun, 12-Oct-25 00:49:20 GMT; domain=.educative.io; HttpOnly; Secure; SameSite=None
strict-transport-security: max-age=31536000; includeSubDomains; preload
server: cloudflare
cf-ray: 98d26cd309f4c172-BLR
Challenge: Graph Valid TreeChallenge: Graph Valid Tree
Challenge: Graph Valid Tree
Try to solve the Graph Valid Tree problem.
We'll cover the following...