Submission #680859

#	Time	Username	Problem	Language	Result	Execution time	Memory
680859		YENGOYAN	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.
//

void solve(int n, int k, long long a, int s) {
    // TODO implement this function
    vector<ll> vec(n);
    for (int i = 0; i < n; ++i) vec[i] = skim(i + 1);
    long long sm = 0;
    for (int i = 0; i < k; ++i) sm += vec[i];
    deque<int> ans;
    for (int i = 1; i <= k; ++i) ans.push_back(i);
    if (sm >= a && sm <= 2 * a) {
        vector<int> res;
        for (int& x : ans) res.push_back(x);
        answer(res);
        return;
    }
    for (int i = 1; i < n; ++i) {
        ans.pop_front();
        ans.push_back(i + k);
        sm -= vec[i - 1];
        sm += vec[i + k - 1];
        if (sm >= a && sm <= 2 * a) {
            vector<int> res;
            for (int& x : ans) res.push_back(x);
            answer(res);
            return;
        }
    }
    impossible();

}

Compilation message (stderr)

books.cpp: In function 'void solve(int, int, long long int, int)':
books.cpp:18:12: error: 'll' was not declared in this scope
   18 |     vector<ll> vec(n);
      |            ^~
books.cpp:18:14: error: template argument 1 is invalid
   18 |     vector<ll> vec(n);
      |              ^
books.cpp:18:14: error: template argument 2 is invalid
books.cpp:19:36: error: invalid types 'int[int]' for array subscript
   19 |     for (int i = 0; i < n; ++i) vec[i] = skim(i + 1);
      |                                    ^
books.cpp:21:42: error: invalid types 'int[int]' for array subscript
   21 |     for (int i = 0; i < k; ++i) sm += vec[i];
      |                                          ^
books.cpp:33:18: error: invalid types 'int[int]' for array subscript
   33 |         sm -= vec[i - 1];
      |                  ^
books.cpp:34:18: error: invalid types 'int[int]' for array subscript
   34 |         sm += vec[i + k - 1];
      |                  ^