제출 #1339689

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1339689		AMel0n	Coins (IOI17_coins)	C++20	0 / 100	5 ms	580 KiB

coins

#include "coins.h"
using namespace std;

vector<int> coin_flips(vector<int> b, int c) {
    int x = 0;
    for(int &i: b) x ^= i;
    return {x ^ c}; // toggle coin x for the xor to be 0, toggle coin x^c for the xor to be c
}

int find_coin(vector<int> b) {
    int x = 0;
    for(int &i: b) x ^= i;
    return x;
}

컴파일 시 표준 에러 (stderr) 메시지

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)
      |     ^~~~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 15
• Subtask 3: 0 / 10
• Subtask 4: 0 / 15
• Subtask 5: 0 / 50