Submission #546454

#	Time	Username	Problem	Language	Result	Execution time	Memory
546454		d4xn	A Difficult(y) Choice (BOI21_books)	C++17	Compilation error	0 ms	0 KiB

books

#include <bits/stdc++.h>

#include "books.h"

using namespace std;
//
// --- Sample implementation for the task books ---
//
// To compile this program with the sample grader, place:
//     books.h books_sample.cpp sample_grader.cpp
// in a single folder and run:
//     g++ books_sample.cpp sample_grader.cpp
// in this folder.
//

#define int long long

void solve(int N, int K, long long A, int S) {
    // TODO implement this function
    // impossible()
    // answer()
    // puedo hacer S preguntas
    // hay N libros
    // ordenados de mayor a menor por precio
    // tengo que comprar K
    // y la suma tiene que ser >= A y <= A*2

    vector<int> v(N+1);
    for (int i = 1; i <= N; i++) {
        v[i] = skim[i];
    }

    for (int i = 1; i <= N-2; i++) {
        for (int j = i+1; j <= N-1; j++) {
            for (int i = j+1; k <= N; k++) {
                int x = v[i] + v[j] + v[k];
                if (A <= x && x <= A*2) {
                    answer({i, j, k});
                }
            }
        }
    }

    impossible();
}

Compilation message (stderr)

books.cpp: In function 'void solve(long long int, long long int, long long int, long long int)':
books.cpp:30:22: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   30 |         v[i] = skim[i];
      |                      ^
books.cpp:30:22: error: invalid conversion from 'long long int (*)(int)' to '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} [-fpermissive]
   30 |         v[i] = skim[i];
      |                ~~~~~~^
      |                      |
      |                      long long int (*)(int)
books.cpp:35:31: error: 'k' was not declared in this scope
   35 |             for (int i = j+1; k <= N; k++) {
      |                               ^
books.cpp:38:37: error: could not convert '{i, j, k}' from '<brace-enclosed initializer list>' to 'std::vector<int>'
   38 |                     answer({i, j, k});
      |                                     ^
      |                                     |
      |                                     <brace-enclosed initializer list>