View problem - Special graph (IZhO13_specialg) :: oj.uz

Language	Compilation command
C11	/usr/bin/gcc -DEVAL -std=gnu11 -O2 -pipe -static -s -o specialg specialg.c -lm
C++20	/usr/bin/g++ -DEVAL -std=gnu++20 -O2 -pipe -static -s -o specialg specialg.cpp
C++17	/usr/bin/g++ -DEVAL -std=gnu++17 -O2 -pipe -static -s -o specialg specialg.cpp
Java	/usr/bin/javac -encoding UTF-8 specialg.java /bin/sh -c echo "Main-Class: specialg" > __manifest__.txt /bin/sh -c jar cfm specialg.jar __manifest__.txt *.class
Pypy 3	/usr/bin/pypy3 -m compileall -b specialg.py /bin/mv specialg.pyc __main__.pyc /usr/bin/zip specialg.pyz.zip __main__.pyc /bin/mv specialg.pyz.zip specialg.pyz

Time limit	Memory limit	# of submissions	# of submitted users	Solved #	Accepted user ratio
1000 ms	64 MiB	230	54	29	53.70%

You must use stdin/stdout as input/output files instead of specialg.in/specialg.out.

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Problem Source

IZhO 2013 Day 1 Problem D