Submission #1003609

#	Time	Username	Problem	Language	Result	Execution time	Memory
1003609		pedroslrey	MalnaRISC (COI21_malnarisc)	C++17	40 / 100	1 ms	348 KiB

malnarisc

#include <bits/stdc++.h>

using namespace std;
using ops = vector<vector<pair<int, int>>>;

ops faz_morro(int n) {
	if (n == 1) return {};

	ops ans(1);
	int m = (n + 1)/2;
	for (int i = 0; i < n/2; ++i)
		ans.back().emplace_back(i, i + m);

	auto xss = faz_morro(n/2);
	auto yss = faz_morro((n + 1)/2);

	for (int i = 0; i < yss.size(); ++i) {
		ans.emplace_back();
		if (i < xss.size())
			for (auto [a, b]: xss[i])
				ans.back().emplace_back(a, b);
		int m = n/2;
		for (auto [a, b]: yss[i])
			ans.back().emplace_back(a + m, b + m);
	}

	return ans;
}

ops solve(int n) {
	if (n == 1) return {};

	auto xss = solve(n/2);
	auto yss = solve((n + 1)/2);

	ops ans;
	for (int i = 0; i < yss.size(); ++i) {
		ans.emplace_back();
		if (i < xss.size())
			for (auto [a, b]: xss[i])
				ans.back().emplace_back(a, b);
		int m = n/2;
		for (auto [a, b]: yss[i])
			ans.back().emplace_back(b + m, a + m);
	}

	auto mss = faz_morro(n);

	for (auto &ms: mss) {
		ans.emplace_back();
		for (auto m: ms)
			ans.back().push_back(m);
	}

	return ans;
}

int main() {
	int n;
	cin >> n;

	ops ans = solve(n);

	cout << ans.size() << "\n";
	for (auto &xs: ans) {
		for (auto [a, b]: xs)
			cout << "CMPSWP R" << a + 1 << " R" << b + 1 << " ";
		cout << "\n";
	}
}

Compilation message (stderr)

malnarisc.cpp: In function 'ops faz_morro(int)':
malnarisc.cpp:17:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |  for (int i = 0; i < yss.size(); ++i) {
      |                  ~~^~~~~~~~~~~~
malnarisc.cpp:19:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |   if (i < xss.size())
      |       ~~^~~~~~~~~~~~
malnarisc.cpp: In function 'ops solve(int)':
malnarisc.cpp:37:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |  for (int i = 0; i < yss.size(); ++i) {
      |                  ~~^~~~~~~~~~~~
malnarisc.cpp:39:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |   if (i < xss.size())
      |       ~~^~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 0 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 0 / 10
• Subtask 6: 10 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10