Submission #645869

#	Time	Username	Problem	Language	Result	Execution time	Memory
645869		TimDee	NoM (RMI21_nom)	C++17	0 / 100	522 ms	276 KiB

Main

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

#define forn(i,n) for (int i=0; i<n; ++i)

void solve() {
	int n,m; cin>>n>>m;
	if (n>5) return;
	vector<int>vis(2*n+1,0);
	vector<int>s;
	forn(i,2*n) s.push_back(i+1);
	int steps=0;
	int ans=0;
	next_permutation(s.begin(), s.end());
	while (1) {
		int paiu=1;
		forn(i,2*n) {
			for (int k=i%m; k<2*n; k+=m) {
				if (k==i) continue;
				if (abs(s[k]-s[i])==n) paiu=0;
			}
		}
		ans+=paiu;
		int scuza=1;
		for (int i=0; i<2*n; ++i) {
			scuza&=(i+1)==s[i];
		}
		if (scuza) break;
		next_permutation(s.begin(), s.end());
	}
	cout<<ans;
	//cout<<" !"<<steps;
}

int32_t main() {
	solve();
	return 0;
}

Compilation message (stderr)

Main.cpp: In function 'void solve()':
Main.cpp:12:6: warning: unused variable 'steps' [-Wunused-variable]
   12 |  int steps=0;
      |      ^~~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 13
• Subtask 4: 0 / 18
• Subtask 5: 0 / 48