Submission #737030

#	Time	Username	Problem	Language	Result	Execution time	Memory
737030		jk410	Present (RMI21_present)	C++17	8 / 100	1 ms	452 KiB

Main

#include <bits/stdc++.h>
using namespace std;
int T;
const int N = 8;
int gcd(int x, int y) {
	while (y) {
		int tmp = x % y;
		x = y;
		y = tmp;
	}
	return x;
}
bool check(int x) {
	vector<int> v;
	for (int i = 0; i < N; i++) {
		if (x & (1 << i))
			v.push_back(i + 1);
	}
	int sz = (int)v.size();
	for (int i = 0; i < sz; i++) {
		for (int j = i + 1; j < sz; j++) {
			if (!(x & (1 << gcd(v[i], v[j]) - 1)))
				return false;
		}
	}
	return true;
}
int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	vector<int> v;
	v.push_back(0);
	for (int i = 1; i < (1 << N); i++) {
		if (check(i))
			v.push_back(i);
	}
	cin >> T;
	while (T--) {
		int k;
		cin >> k;
		k = v[k];
		vector<int> ans;
		for (int i = 0; i < N; i++) {
			if (k & (1 << i))
				ans.push_back(i + 1);
		}
		cout << (int)ans.size() << " ";
		for (int i : ans)
			cout << i << " ";
		cout << "\n";
	}
	return 0;
}

Compilation message (stderr)

Main.cpp: In function 'bool check(int)':
Main.cpp:22:36: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   22 |    if (!(x & (1 << gcd(v[i], v[j]) - 1)))
      |                    ~~~~~~~~~~~~~~~~^~~

• Subtask 1: 8 / 8
• Subtask 2: 0 / 21
• Subtask 3: 0 / 41
• Subtask 4: 0 / 14
• Subtask 5: 0 / 16