Submission #988666

#	Time	Username	Problem	Language	Result	Execution time	Memory
988666		ElenaBM	Coins (IOI17_coins)	C++17	Compilation error	0 ms	0 KiB

coins

#include "coins.h"
#include <bits/stdc++.h>
using namespace std;

vector<int>coin_flips(vector<int>b, int c){
    vector<int>flips;
    int val = 0;
    for (int i = 0; i < 64; i++){
        if (b[i]){
            val^= i;
        }
    }
    flips.push_back(val^c);
    return flips;
}

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

Compilation message (stderr)

coins.cpp:17:8: error: deduced class type 'vector' in function return type
   17 | vector find_coin(vector <int>b){
      |        ^~~~~~~~~
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: 'template<class _Tp, class _Alloc> class std::vector' declared here
  389 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~