Recently added problemsSaved problems

Categories DLC Contests Groups Teams Board

Solved Problem RankingStreak rankingDOJ Power ranking

Call for TasksLogin Register

DOJ

Community online judge with OI-style subtask scoring, Elo ratings, and Discord-backed certification.

Problems

Problems Categories

Community

Contests Ranking Board Notices Host an external contest Guide

Account

Login Register Judge Status

Policy

Terms of Service DLC Rules Privacy API documentation Language runtimes Contest rank rewards Rating and performance

© 2026 DOJ

All rights reserved

#400 Vector Rails

Problem #400

Vector Rails

vector

School/UCPC/UCPC 2026

Time limit: 1000 ms
Memory limit: 1024 MB
Checker: CUSTOM

Statement

Subtasks

#	Score
1	100

You must log in to submit.

fact_checkJudge statuschevron_right forumProblem boardchevron_right

[0]