제출 #1260597

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1260597		robijoy	선물 (IOI25_souvenirs)	C++20	컴파일 에러	0 ms	0 KiB

souvenirs

/*
 *   Starting with the name of almighty ALLAH
 */
#include "souvenirs.h"
// #include <bits/stdc++.h>

using namespace std;

// namespace {
// const int CALLS_CNT_LIMIT = 10000;

// int calls_cnt;
// int N = 3;
// std::vector<long long> P = {11,7,1};
// std::vector<int> Q = {0,0,0};

// void quit(const char* message) {
//   printf("%s\n", message);
//   exit(0);
// }
// } // namespace

// std::pair<std::vector<int>, long long> transaction(long long M) {
//   calls_cnt++;
//   if (calls_cnt > CALLS_CNT_LIMIT)
//     quit("Too many calls");
//   if (M >= P[0] || M < P[N - 1])
//     quit("Invalid argument");

//   std::vector<int> L;
//   long long R = M;
//   for (int i = 0; i < N; i++) {
//     if (R >= P[i]) {
//       R -= P[i];
//       Q[i]++;
//       L.push_back(i);
//     }
//   }
//   return {L, R};
// }

void buy_souvenirs(int N, long long P0) {
  pair<vector<int>,long long> res = transaction(P0-1);
  vector<int> robi = res.first;
  int ret = res.second;
  if(robi.size() == 1) {
      int P1 = (P0 - 1) - ret;
      transaction(P1-1);
      transaction(P1-1);
  } else {
      int x = max(1LL,((((P0-1)-ret)/2)));
      cout<<x<<endl;
      pair<vector<int>,long long> rex = transaction(x);
  }
}

// int main() {
//     buy_souvenirs(3,11);
// }

컴파일 시 표준 에러 (stderr) 메시지

souvenirs.cpp: In function 'void buy_souvenirs(int, long long int)':
souvenirs.cpp:52:7: error: 'cout' was not declared in this scope
   52 |       cout<<x<<endl;
      |       ^~~~
souvenirs.cpp:5:1: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
    4 | #include "souvenirs.h"
  +++ |+#include <iostream>
    5 | // #include <bits/stdc++.h>
souvenirs.cpp:52:16: error: 'endl' was not declared in this scope
   52 |       cout<<x<<endl;
      |                ^~~~
souvenirs.cpp:5:1: note: 'std::endl' is defined in header '<ostream>'; did you forget to '#include <ostream>'?
    4 | #include "souvenirs.h"
  +++ |+#include <ostream>
    5 | // #include <bits/stdc++.h>