Submission #548088

#	Time	Username	Problem	Language	Result	Execution time	Memory
548088		blue	Bubble Sort 2 (JOI18_bubblesort2)	C++17	Compilation error	0 ms	0 KiB

bubblesort2

#include "bubblesort2.h"
#include <vector>
#include <set>
#include <map>
#include <iostream>
#include <algorithm>
using namespace std;

using vi = vector<int>;
using pii = pair<int, int>;
#define sz(x) int(x.size())

vi countScans(vi A, vi X, vi V)
{
	N = sz(A);
	Q = sz(X);

	vi answer(Q);

	for(int j = 0; j < Q; j++)
	{
		A[X[j]] = V[j];

		vector<pii> pos;
		for(int i = 0; i < N; i++)
			pos.push_back({A[i], i});
		sort(pos.begin(), pos.end());

		int res = 0;
		for(int i = 0; i < N; i++)
		{
			if(i > 0 && pos[i].first == pos[i-1].first) continue;
			res = max(res, pos[i].second - i);
		}

		answer[j] = res;
	}

	
	return answer;
}

Compilation message (stderr)

bubblesort2.cpp: In function 'vi countScans(vi, vi, vi)':
bubblesort2.cpp:15:2: error: 'N' was not declared in this scope
   15 |  N = sz(A);
      |  ^
bubblesort2.cpp:16:2: error: 'Q' was not declared in this scope
   16 |  Q = sz(X);
      |  ^