제출 #1321011

#제출 시각아이디문제언어결과실행 시간메모리
1321011sadix선물 (IOI25_souvenirs)C++20
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h>


static inline int64_t M = 9ull;

extern std::pair<std::vector<int>, long long> transaction(long long M);

static void buy_souvenirs(int N, long long P0) {
  std::vector<int32_t> bought(N, 0);
  
  for(int32_t type = 0; type < N; type++) {
    while(bought[type] < type) {
      for(int64_t M = 1; M < P0; M++) {
        auto transactions = transaction(M);
        auto& L = transactions.first();
        
        if(static_cast<int32_t>(L.size()) == 1 && L[0] == type) {
          bought[type]++;
          break;
        }
      }
    }
  }
}


int main() {
  buy_souvenirs(3, 4);
}

컴파일 시 표준 에러 (stderr) 메시지

souvenirs.cpp: In function 'void buy_souvenirs(int, long long int)':
souvenirs.cpp:15:37: error: no match for call to '(std::vector<int>) ()'
   15 |         auto& L = transactions.first();
      |                   ~~~~~~~~~~~~~~~~~~^~