Login
Register
QOJ.ac
QOJ
QOJ
Contests
Category
Problems
Submissions
Hack!
Blogs
PKU v. THU (Preliminary Round 2)
Time Limit: 3 s
Memory Limit: 256 MB
Total points: 100
[
0
]
# 789. One-Way Streets
Statistics
Statement
Submit
Custom Test
Editorial
The problem was used in the following contest:
Central European Olympiad in Informatics 2017 Day 1
Source code:answer
Language
C++ 98
C++ 11
C++ 14
C++ 17
C++ 20
C++ 23
C 89
C 99
C 11
D
Python 3
Java 8
Java 11
Pascal
Rust
Upload by editor
Upload from local
use advanced editor
Browse
Submit
Source code:answer
Language
C++ 98
C++ 11
C++ 14
C++ 17
C++ 20
C++ 23
C 89
C 99
C 11
D
Python 3
Java 8
Java 11
Pascal
Rust
Upload by editor
Upload from local
use advanced editor
Browse
Text file:input.txt
Upload by editor
Upload from local
use advanced editor
Browse
Run