/tmp/ccrOYEit.o: In function `main':
grader_sungjin.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccwVlX1s.o:sungjin.cpp:(.text.startup+0x0): first defined here
/tmp/ccrOYEit.o: In function `main':
grader_sungjin.cpp:(.text.startup+0x28b): undefined reference to `Init(int, int, int, int*, int*, int*)'
grader_sungjin.cpp:(.text.startup+0x348): undefined reference to `WereSameTerritory(int, int, int, int)'
collect2: error: ld returned 1 exit status
/tmp/ccE49GX7.o: In function `main':
grader_dowoon.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccJNZdL1.o:dowoon.cpp:(.text.startup+0x0): first defined here
/tmp/ccE49GX7.o: In function `main':
grader_dowoon.cpp:(.text.startup+0x2c6): undefined reference to `Guess(int, int)'
collect2: error: ld returned 1 exit status