제출 #1339274

#제출 시각아이디문제언어결과실행 시간메모리
1339274omsincoconutCoins (IOI17_coins)C++17
컴파일 에러
0 ms0 KiB
#include "coins.h"

std::vector<int> coin_flips(std::vector<int> b, int c) {
    int x = 0;
    for (int i = 0; i < 64; i++) if (b[i]) x ^= i;
    return x^c;
}

int find_coin(std::vector<int> b) {
    int x = 0;
    for (int i = 0; i < 64; i++) if (b[i]) x ^= i;
    return x;
}

컴파일 시 표준 에러 (stderr) 메시지

coins.cpp: In function 'std::vector<int> coin_flips(std::vector<int>, int)':
coins.cpp:6:13: error: could not convert '(x ^ c)' from 'int' to 'std::vector<int>'
    6 |     return x^c;
      |            ~^~
      |             |
      |             int
grader.cpp: In function 'void shuffle(std::vector<int>&)':
grader.cpp:88:23: warning: 'void std::random_shuffle(_RAIter, _RAIter) [with _RAIter = __gnu_cxx::__normal_iterator<int*, vector<int> >]' is deprecated: use 'std::shuffle' instead [-Wdeprecated-declarations]
   88 |         random_shuffle(v.begin(), v.end());
      |         ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/13/algorithm:61,
                 from grader.cpp:5:
/usr/include/c++/13/bits/stl_algo.h:4581:5: note: declared here
 4581 |     random_shuffle(_RandomAccessIterator __first, _RandomAccessIterator __last)
      |     ^~~~~~~~~~~~~~