Submission #864265

#TimeUsernameProblemLanguageResultExecution timeMemory
864265abcvuitunggioCoins (IOI17_coins)C++17
Compilation error
0 ms0 KiB
#include"coins.h" using V=std::vector<int>; V coin_flips(V b,int c){for(int i=63;i;i--)c^=b[i]*i;return{c};}int find_coin(V b){return coin_flips(b,0);}

Compilation message (stderr)

coins.cpp: In function 'int find_coin(V)':
coins.cpp:3:101: error: cannot convert 'V' {aka 'std::vector<int>'} to 'int' in return
    3 | V coin_flips(V b,int c){for(int i=63;i;i--)c^=b[i]*i;return{c};}int find_coin(V b){return coin_flips(b,0);}
      |                                                                                           ~~~~~~~~~~^~~~~
      |                                                                                                     |
      |                                                                                                     V {aka std::vector<int>}