Submission #7096091

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Source Code Expand

#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
const int INF = (1<<30);
const ll INFLL = (1ll<<60);
const ll MOD = (ll)(1e9+7);

#define l_ength size

void mul_mod(ll& a, ll b){
	a *= b;
	a %= MOD;
}

void add_mod(ll& a, ll b){
	a = (a<MOD)?a:(a-MOD);
	b = (b<MOD)?b:(b-MOD);
	a += b;
	a = (a<MOD)?a:(a-MOD);
}

void dfs(string s, int t){
	if(s.l_ength()<t){
		dfs(s+"a",t);
		dfs(s+"b",t);
		dfs(s+"c",t);
		return;
	}
	cout << s << endl;
}

int main(void){
	int n;
	cin >> n;
	dfs("",n);
	return 0;
}

Submission Info

Judge Result