View problem - Joyful KMP (KRIII5_JK)

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

Time limit	Memory limit	# of submissions	# of submitted users	Solved #	Accepted user ratio
1000 ms	1024 MiB	22	9	6	66.67%

Problem Source

Joyful KMP Batch Compilation commands