Submission #1308871

#	Time	Username	Problem	Language	Result	Execution time	Memory
1308871		thnhann	Coins (IOI17_coins)	C++20	Compilation error	0 ms	0 KiB

coins

#include "coins.h"

std::vector<int> coin_flips(std::vector<int> b, int c) {
    std::vector<int> flips(1);
    flip[0] = 4;
    if(c == 0)
    {
        if(b[0] == 1 && b[2] == 1)
            flip[0] = 2;
    }
    if(c == 1)
    {
        if(b[0] == 1 && b[2] == 1)
        {
            if(b[1] == 0)
                flip[0] = 1;
        }
        if(b[0] == 1 && b[2] == 0)
            flip[0] = 0;
        if(b[0] == 0 && b[2] == 1)
            flip[0] = 2;
    }
    if(c == 2)
    {

        if(b[0] == 1 && b[2] == 1)
            flip[0] = 0;
    }
    return flip;
}

int find_coin(std::vector<int> b) {
    int c;
    if(b[0] == 1 && b[2] == 0) return 0;
    if(b[0] == 0 && b[2] == 1) return 2;
    return 1;
}

Compilation message (stderr)

coins.cpp: In function 'std::vector<int> coin_flips(std::vector<int>, int)':
coins.cpp:5:5: error: 'flip' was not declared in this scope; did you mean 'flips'?
    5 |     flip[0] = 4;
      |     ^~~~
      |     flips
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)
      |     ^~~~~~~~~~~~~~