Submission #1308869

#	Time	Username	Problem	Language	Result	Execution time	Memory
1308869		thnhann	Coins (IOI17_coins)	C++20	Compilation error	0 ms	0 KiB

coins

#include <iostream>
#include <string>
#include <bits/stdc++.h>

#define int long long

using namespace std;

int[] coin_flips(int[] b, int c)
{
    int filp[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;
    }
}

int find_coin(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:9:4: error: structured binding declaration cannot have type 'long long int'
    9 | int[] coin_flips(int[] b, int c)
      |    ^~
coins.cpp:9:4: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
coins.cpp:9:4: error: empty structured binding declaration
coins.cpp:9:7: error: expected initializer before 'coin_flips'
    9 | int[] coin_flips(int[] b, int c)
      |       ^~~~~~~~~~
coins.cpp:38:21: error: expected ',' or '...' before 'b'
   38 | int find_coin(int[] b)
      |                     ^
coins.cpp: In function 'long long int find_coin(long long int*)':
coins.cpp:41:8: error: 'b' was not declared in this scope
   41 |     if(b[0] == 1 && b[2] == 0) return 0;
      |        ^
coins.cpp:42:8: error: 'b' was not declared in this scope
   42 |     if(b[0] == 0 && b[2] == 1) return 2;
      |        ^
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)
      |     ^~~~~~~~~~~~~~