Submission #864240

#	Time	Username	Problem	Language	Result	Execution time	Memory
864240		abcvuitunggio	Coins (IOI17_coins)	C++17	Compilation error	0 ms	0 KiB

coins

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

Compilation message (stderr)

coins.cpp: In function 'int find_coin(std::vector<int>)':
coins.cpp:4:34: error: 'c' was not declared in this scope
    4 | #define F for (int i=0;i<64;i++) c^=b[i]*i;
      |                                  ^
coins.cpp:10:5: note: in expansion of macro 'F'
   10 |     F
      |     ^
coins.cpp:11:12: error: 'c' was not declared in this scope
   11 |     return c;
      |            ^