Submission #1252157

#	Time	Username	Problem	Language	Result	Execution time	Memory
1252157		bzzzzzzzzzz	Souvenirs (IOI25_souvenirs)	C++20	Compilation error	0 ms	0 KiB

souvenirs

#include <bits/stdc++.h>
using namespace std;
using ll = long long;

void buy_souvenirs(int N, long long P0) {
  if (N == 2) {
    pair<vector<int>, ll> p = transaction(P0 - 1);
  } else if (N == 3) {
    auto [v, s] = transaction(P0 - 1);
    if ((int)v.size() == 1) {
      transaction(P0 - s - 2);
      transaction(P0 - s - 2);
    } else {
      transaction((P0 - 1 - s) / 2);
    }
  } else {
    long long z = P0 - 1;
    int p = 0;
    for (int i = 1; i < N - 1; i++) {
      auto [v, s] = transaction(z);
      if ((int)v.size() == 2 || s == 1) {
        p++;
        z--;
        for (int j = 1; j < i; j++) {
          transaction(z);
        }
        z--;
      } else {
        for (int j = 1; j < i; j++) {
          transaction(z);
        }
        z--;
      }
    }
    for (int i = 0; i < N - 1 - p; i++) {
        transaction(z);
    }
  }
}

Compilation message (stderr)

souvenirs.cpp: In function 'void buy_souvenirs(int, long long int)':
souvenirs.cpp:7:31: error: 'transaction' was not declared in this scope
    7 |     pair<vector<int>, ll> p = transaction(P0 - 1);
      |                               ^~~~~~~~~~~
souvenirs.cpp:9:19: error: 'transaction' was not declared in this scope
    9 |     auto [v, s] = transaction(P0 - 1);
      |                   ^~~~~~~~~~~
souvenirs.cpp:20:21: error: 'transaction' was not declared in this scope
   20 |       auto [v, s] = transaction(z);
      |                     ^~~~~~~~~~~
souvenirs.cpp:36:9: error: 'transaction' was not declared in this scope
   36 |         transaction(z);
      |         ^~~~~~~~~~~