Problem	cat
User	pasit
Submission Time	2026-05-02 02:41:50
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

/usr/bin/ld: /tmp/ccJhCvGk.o: in function `main':
grader.cpp:(.text.startup+0x1f9): undefined reference to `select(int)'
/usr/bin/ld: /tmp/ccM4afFi.o: in function `encode(int)':
cat.cpp:(.text+0x2fa): undefined reference to `same_group(int, int)'
collect2: error: ld returned 1 exit status