Submission #1249768

#	Time	Username	Problem	Language	Result	Execution time	Memory
1249768		thabumi	Souvenirs (IOI25_souvenirs)	C++20	Compilation error	0 ms	0 KiB

souvenirs

std::pair<std::vector<int>, long long> transaction(long long M);
void buy_souvenirs(int N, long long P0) {
  if (N == 2) {
    transaction(P0 - 1);
    return;
  }
}

Compilation message (stderr)

souvenirs.cpp:1:6: error: 'pair' in namespace 'std' does not name a template type
    1 | std::pair<std::vector<int>, long long> transaction(long long M);
      |      ^~~~
souvenirs.cpp:1:1: note: 'std::pair' is defined in header '<utility>'; did you forget to '#include <utility>'?
  +++ |+#include <utility>
    1 | std::pair<std::vector<int>, long long> transaction(long long M);
souvenirs.cpp: In function 'void buy_souvenirs(int, long long int)':
souvenirs.cpp:4:5: error: 'transaction' was not declared in this scope
    4 |     transaction(P0 - 1);
      |     ^~~~~~~~~~~