View problem - Round words (IZhO13_rowords) :: oj.uz

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

Time limit	Memory limit	# of submissions	# of submitted users	Solved #	Accepted user ratio
2000 ms	128 MiB	308	63	29	46.03%

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

Problem Source

IZhO 2013 Day 2 Problem G