Submission #843746

#	Time	Username	Problem	Language	Result	Execution time	Memory
843746		PagodePaiva	A Plus B (IOI23_aplusb)	C++17	Compilation error	0 ms	0 KiB

aplusb

#include "aplusb.h"
#include<bits/stdc++.h>

using namespace std;

std::vector<int> smallest_sums(int N, std::vector<int> A, std::vector<int> B) {
	priority_queue <tuple <int, int, int>> pq;
	pq.push({-A[0]-B[0], 0, 0});
	map <pair <int, int>, int> mark;
	mark[{0, 0}] = 1;
	vector <int> ans;

	for(int i = 0;i < N;i++){
		auto [v, l, r] = pq.top();
		pq.pop();
		v *= -1;

		ans.push_back(v);

		if(!(mark[{l, r+1}] == 1 or (l >= n or r >= n))) pq.push({-A[l]-B[r+1], l, r+1});
		if(!(mark[{l+1, r}] == 1 or (l >= n or r >= n)))pq.push({-A[l+1]-B[r], l+1, r});
	}

	return ans;
}

Compilation message (stderr)

aplusb.cpp: In function 'std::vector<int> smallest_sums(int, std::vector<int>, std::vector<int>)':
aplusb.cpp:20:37: error: 'n' was not declared in this scope
   20 |   if(!(mark[{l, r+1}] == 1 or (l >= n or r >= n))) pq.push({-A[l]-B[r+1], l, r+1});
      |                                     ^
aplusb.cpp:21:37: error: 'n' was not declared in this scope
   21 |   if(!(mark[{l+1, r}] == 1 or (l >= n or r >= n)))pq.push({-A[l+1]-B[r], l+1, r});
      |                                     ^