Submission #442641

#	Time	Username	Problem	Language	Result	Execution time	Memory
442641		jesus_coconut	Sob (COCI19_sob)	C++17	0 / 110	3 ms	736 KiB

sob

#include <bits/stdc++.h>
using namespace std;


void solve() {
	int n, m;
	cin >> n >> m;
	list<int> l;
	for (int i = m; i < m + n; ++i) {
		l.push_back(i);
	}
	auto it = l.begin();
	for (int i = n - 1; i >= 0; --i) {
		auto tit = it;
		while ((i & *it) != i && it != l.begin()) {
			--it;
		}
		if ((i & *it) == i) {
			cout << i << ' ' << *it << '\n';
			it = l.erase(it);
			if (it == l.end()) --it;
			continue;
		}
		it = tit;
		while ((i & *it) != i && next(it) != l.end()) {
			++it;
		}
		cout << i << ' ' << *it << '\n';
		it = l.erase(it);
	}
}

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);

	solve();

	return 0;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 29
• Subtask 3: 0 / 39
• Subtask 4: 0 / 32