Submission #58665467

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Source Code Expand

#include <bits/stdc++.h>
#include<atcoder/all>
#define rep(i,n) for(int i=0;i<n;i++)
using namespace std;
using namespace atcoder;
#define all(a) a.begin(),a.end()
typedef long long ll;
typedef pair<ll,ll> P;
typedef modint998244353 mi;

vector<string>dfs(string s,int l,int height){
	if(l==0){
		if(height==0)return {s};
		else return{};
	}
	if(height<0)return {};
	vector<string>l1=dfs(s+'(',l-1,height+1),l2=dfs(s+')',l-1,height-1);
	l1.insert(l1.end(),l2.begin(),l2.end());
	return l1;
}


int main(){
	int n;cin>>n;
	vector<string>ans=dfs("",n,0);
	sort(all(ans));
	rep(i,ans.size())cout<<ans[i]<<endl;
}  

Submission Info

Compile Error

Main.cpp: In function ‘int main()’:
Main.cpp:3:31: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::vector<std::__cxx11::basic_string<char> >::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
    3 | #define rep(i,n) for(int i=0;i<n;i++)
      |                               ^
Main.cpp:27:9: note: in expansion of macro ‘rep’
   27 |         rep(i,ans.size())cout<<ans[i]<<endl;
      |         ^~~

Judge Result