Submission #1006135

#	Time	Username	Problem	Language	Result	Execution time	Memory
1006135		Abdullah_Alodaibi	Coins (IOI17_coins)	C++17	Compilation error	0 ms	0 KiB

coins

#include <coins.h>
vector<int> coin_flips(vector<int> b, int c){
    ll x=0;
    for(int i=0;i<b.size();i++){
        x+=b[i]*i;
        x%=b.size();
    }
    b[((c+b.size())-x)%b.size()]=(b[((c+b.size())-x)%b.size()]+1)%2;
    return b;
}
int find_coin(vector<int> b){
    ll x=0;
    for(int i=0;i<b.size();i++){
        x+=b[i]*i;
        x%=b.size();
    }
    return x;
}

Compilation message (stderr)

coins.cpp:2:1: error: 'vector' does not name a type
    2 | vector<int> coin_flips(vector<int> b, int c){
      | ^~~~~~
coins.cpp:11:15: error: 'int find_coin' redeclared as different kind of entity
   11 | int find_coin(vector<int> b){
      |               ^~~~~~
In file included from coins.cpp:1:
coins.h:4:5: note: previous declaration 'int find_coin(std::vector<int>)'
    4 | int find_coin(std::vector<int> b);
      |     ^~~~~~~~~
coins.cpp:11:15: error: 'vector' was not declared in this scope
   11 | int find_coin(vector<int> b){
      |               ^~~~~~
coins.cpp:11:15: note: suggested alternatives:
In file included from /usr/include/c++/10/vector:67,
                 from coins.h:1,
                 from coins.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:389:11: note:   'std::vector'
  389 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
In file included from coins.h:1,
                 from coins.cpp:1:
/usr/include/c++/10/vector:86:13: note:   'std::pmr::vector'
   86 |       using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
      |             ^~~~~~
coins.cpp:11:22: error: expected primary-expression before 'int'
   11 | int find_coin(vector<int> b){
      |                      ^~~