Submission #947807

#	Time	Username	Problem	Language	Result	Execution time	Memory
947807		biank	A Plus B (IOI23_aplusb)	C++17	Compilation error	0 ms	0 KiB

aplusb

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

using namespace std;

#define sz(x) int(x.size())

using ii = pair<int, int>;
using vi = vector<int>;

vi smallest_sums(int N, vi A, vi B) {
    priority_queue<pair<int, ii>, vector<pair<int, ii>>, greater<pair<int, ii>>> pq;
    set<ii> visited;
    auto push = [&](int i, int j) {
        pq.emplace(a[i] + b[j], {i, j});
        vis.emplace(i, j);
    };
    push(0, 0);
    vi ans;
    while (sz(ans) < N) {
        auto [sum, pos] = pq.top();
        ans.push_back(sum);
        pq.pop();
        auto [i, j] = pos;
        if (i + 1 < N && !vis.count({i + 1, j})) {
            push(i + 1, j);
        }
        if (j + 1 < N && !vis.count({i, j + 1})) {
            push(i, j + 1);
        }
    }
	return {};
}

Compilation message (stderr)

aplusb.cpp: In lambda function:
aplusb.cpp:15:20: error: 'a' was not declared in this scope
   15 |         pq.emplace(a[i] + b[j], {i, j});
      |                    ^
aplusb.cpp:15:27: error: 'b' was not declared in this scope
   15 |         pq.emplace(a[i] + b[j], {i, j});
      |                           ^
aplusb.cpp:16:9: error: 'vis' was not declared in this scope; did you mean 'vi'?
   16 |         vis.emplace(i, j);
      |         ^~~
      |         vi
aplusb.cpp: In function 'vi smallest_sums(int, vi, vi)':
aplusb.cpp:25:27: error: 'vis' was not declared in this scope; did you mean 'vi'?
   25 |         if (i + 1 < N && !vis.count({i + 1, j})) {
      |                           ^~~
      |                           vi
aplusb.cpp:28:27: error: 'vis' was not declared in this scope; did you mean 'vi'?
   28 |         if (j + 1 < N && !vis.count({i, j + 1})) {
      |                           ^~~
      |                           vi