Submission #581146

#	Time	Username	Problem	Language	Result	Execution time	Memory
581146		l_reho	A Difficult(y) Choice (BOI21_books)	C++14	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<long long> vals;
    
    for(int i = 1; i <= N; i++){
		long long curr_diff = skim(i);
		vals.push_back(curr_diff);
	}
	

	ll sum = 0;
	
	deque<int> ans;
	vector<int> res;
	
	for(int i = 0; i < K; i++){
		ans.push_back(i+1);
		sum += vals[i];
	}
		
	if(sum >= A && sum <= 2*A){
	
		for(int i = 0; i < K; i++) res.push_back(ans[i]);
			answer(res);
	}
		
	ans.pop_back();
	sum -= vals[K-1];
	
	for(int j = 0; j <= N-K; j++){					
		for(int i = j+K-1; i < N; i++){
			sum += vals[i];
			ans.push_back(i+1);
			// test
			if(sum >= A && sum <= 2*A){
				for(int k = 0; k < K; k++) res.push_back(ans[k]);
				answer(res);
			}
				
			if(sum > 2*A) break;	
			
			sum -= vals[i];
			
			ans.pop_back();	
		}

		
		sum -= vals[j];
		ans.pop_front();
		
		sum += vals[j+K-1];
		ans.push_back(j+K);
		
	}
	
	
	impossible();
}

Compilation message (stderr)

books.cpp: In function 'void solve(int, int, long long int, int)':
books.cpp:27:2: error: 'll' was not declared in this scope
   27 |  ll sum = 0;
      |  ^~
books.cpp:34:3: error: 'sum' was not declared in this scope
   34 |   sum += vals[i];
      |   ^~~
books.cpp:37:5: error: 'sum' was not declared in this scope
   37 |  if(sum >= A && sum <= 2*A){
      |     ^~~
books.cpp:44:2: error: 'sum' was not declared in this scope
   44 |  sum -= vals[K-1];
      |  ^~~