Submission #575014

#	Time	Username	Problem	Language	Result	Execution time	Memory
575014		m_fenais	A Difficult(y) Choice (BOI21_books)	C++14	0 / 100	488 ms	300 KiB

books

#include "books.h"
typedef long long ll;
using namespace std;
void solve(int N, int K, long long A, int S) {
  vector<long long> v;
  v.push_back(0);
  for(int i=1; i<=N; i++){
    v.push_back(skim(i));
  }
  for(int i=1; i<=v.size()-2; i++)
  {
    for(int j=i+1; j<=v.size()-1; j++)
    {
      for(int z=j+1; z<=v.size(); z++)
      {
        ll cnt = v[i] + v[j] + v[z];
        if(cnt <= A*2 && cnt >= A)
        {
          vector<int> ans;
          ans.push_back(i);
          ans.push_back(j);
          ans.push_back(z);
          answer(ans);
        }
      }
    }
  }
  impossible();
}

Compilation message (stderr)

books.cpp: In function 'void solve(int, int, long long int, int)':
books.cpp:10:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |   for(int i=1; i<=v.size()-2; i++)
      |                ~^~~~~~~~~~~~
books.cpp:12:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     for(int j=i+1; j<=v.size()-1; j++)
      |                    ~^~~~~~~~~~~~
books.cpp:14:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |       for(int z=j+1; z<=v.size(); z++)
      |                      ~^~~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 15
• Subtask 3: 0 / 10
• Subtask 4: 0 / 15
• Subtask 5: 0 / 15
• Subtask 6: 0 / 20
• Subtask 7: 0 / 20