Submission #318544

#	Time	Username	Problem	Language	Result	Execution time	Memory
318544		lucaperju	Coins (IOI17_coins)	C++14	Compilation error	0 ms	0 KiB

coins

std::vector<int> coin_flips(std::vector<int> b, int c) {
  return {find_coin(b) ^ c};
}

int find_coin(std::vector<int> b) {
  int s = 0;
  for (int i = 0; i < 64; i++)
    s ^= b[i] * i;
  return s;
}

Compilation message (stderr)

coins.cpp:1:6: error: 'vector' in namespace 'std' does not name a template type
    1 | std::vector<int> coin_flips(std::vector<int> b, int c) {
      |      ^~~~~~
coins.cpp:1:1: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'?
  +++ |+#include <vector>
    1 | std::vector<int> coin_flips(std::vector<int> b, int c) {
coins.cpp:5:20: error: 'vector' is not a member of 'std'
    5 | int find_coin(std::vector<int> b) {
      |                    ^~~~~~
coins.cpp:5:20: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'?
coins.cpp:5:27: error: expected primary-expression before 'int'
    5 | int find_coin(std::vector<int> b) {
      |                           ^~~