Submission #74635058

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Source Code Expand

#include <iostream>
#include <string>
#include <vector>
#include <set>

using namespace std;

void dfs(string& curr, vector<string>& pows, set<int>& res)
{
	for (string& add : pows)
	{
		if (curr.size() + add.size() < 10)
		{
			curr += add;
			res.insert(stoi(curr));
			dfs(curr, pows, res);
			curr.erase(curr.size() - add.size(), add.size());
		}
	}
}

int main(int argc, char *argv[])
{
	vector<string> pows{};
	for (int i = 0; i < 30; ++i)
	{
		pows.push_back(to_string(1 << i));
	}
	set<int> res{};
	string curr = "";
	dfs(curr, pows, res);
	vector<int> a(res.begin(), res.end());
	int n;
	cin >> n;
	cout << a[n - 1] << '\n';
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function 'int main(int, char**)':
./Main.cpp:22:14: warning: unused parameter 'argc' [-Wunused-parameter]
   22 | int main(int argc, char *argv[])
      |          ~~~~^~~~
./Main.cpp:22:26: warning: unused parameter 'argv' [-Wunused-parameter]
   22 | int main(int argc, char *argv[])
      |                    ~~~~~~^~~~~~

Judge Result