Submission #782118

#	Time	Username	Problem	Language	Result	Execution time	Memory
782118		Dan4Life	Coins (IOI17_coins)	C++17	Compilation error	0 ms	0 KiB

coins

#include<vector>
using v=std::vector<int>;
#define F for(int i=0;i<64;i++)c^=b[i]*i;return{c};
v coin_flips(v b,int c){F}
int find_coin(v b,int c=0){F}

Compilation message (stderr)

/usr/bin/ld: /tmp/cccGfUMg.o: in function `main':
grader.cpp:(.text.startup+0x9a1): undefined reference to `find_coin(std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status