/usr/bin/ld: /tmp/ccCehyJl.o: in function `start_testcase()':
answer.code:(.text+0x0): multiple definition of `start_testcase()'; /tmp/ccLYet0m.o:implementer.cpp:(.text+0x1650): first defined here
/usr/bin/ld: /tmp/ccCehyJl.o: in function `init()':
answer.code:(.text+0x90): multiple definition of `init()'; /tmp/ccLYet0m.o:implementer.cpp:(.text+0x16f0): first defined here
/usr/bin/ld: /tmp/ccCehyJl.o: in function `GetT()':
answer.code:(.text+0x100): multiple definition of `GetT()'; /tmp/ccLYet0m.o:implementer.cpp:(.text+0x1770): first defined here
/usr/bin/ld: /tmp/ccCehyJl.o: in function `GetN()':
answer.code:(.text+0x180): multiple definition of `GetN()'; /tmp/ccLYet0m.o:implementer.cpp:(.text+0x1790): first defined here
/usr/bin/ld: /tmp/ccCehyJl.o: in function `GetQ()':
answer.code:(.text+0x210): multiple definition of `GetQ()'; /tmp/ccLYet0m.o:implementer.cpp:(.text+0x17b0): first defined here
/usr/bin/ld: /tmp/ccCehyJl.o: in function `GetC()':
answer.code:(.text+0x290): multiple definition of `GetC()'; /tmp/ccLYet0m.o:implementer.cpp:(.text+0x17d0): first defined here
/usr/bin/ld: /tmp/ccCehyJl.o: in function `Ask(long long)':
answer.code:(.text+0x320): multiple definition of `Ask(long long)'; /tmp/ccLYet0m.o:implementer.cpp:(.text+0x1880): first defined here
/usr/bin/ld: /tmp/ccCehyJl.o: in function `Answer(long long)':
answer.code:(.text+0x450): multiple definition of `Answer(long long)'; /tmp/ccLYet0m.o:implementer.cpp:(.text+0x17f0): first defined here
collect2: error: ld returned 1 exit status