Submission #1339603

#	Time	Username	Problem	Language	Result	Execution time	Memory
1339603		lucas110550	Souvenirs (IOI25_souvenirs)	C++20	Compilation error	0 ms	0 KiB

souvenirs

#include <vector>
#include <utility>

void buy_souvenirs(int N, long long P0)
{
    long long M1 = P0 - 1;
    auto [L1, R1] = transaction(M1);

    if (L1.size() == 2) {
        long long S  = M1 - R1;
        long long M2 = S / 2;
        transaction(M2);
        return;
    }

    long long P1 = M1 - R1;
    long long M  = P1 - 1;
    transaction(M);
    transaction(M);
}

Compilation message (stderr)

souvenirs.cpp: In function 'void buy_souvenirs(int, long long int)':
souvenirs.cpp:7:21: error: 'transaction' was not declared in this scope
    7 |     auto [L1, R1] = transaction(M1);
      |                     ^~~~~~~~~~~