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input/code.cpp: In function 'int main()':
input/code.cpp:13:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j=0;j<ve[i-1].size();j++){
               ~^~~~~~~~~~~~~~~
input/code.cpp:17:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j=0;j<ve[i-1].size();j++){
               ~^~~~~~~~~~~~~~~

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

int n;
int m;

vector<string> ve[21];
int main(){
	cin >> n >> m;
	ve[0].push_back("0");
	ve[0].push_back("1");
	for(int i=1;i<n;i++){
		for(int j=0;j<ve[i-1].size();j++){
			ve[i].push_back("0"+ve[i-1][j]);
			//cout << ve[i-1][j] << " " << ve[i-1][ve[i-1].size()-j-1] << "\n";
		}
		for(int j=0;j<ve[i-1].size();j++){
			ve[i].push_back("1"+ve[i-1][ve[i-1].size()-j-1]);
		}	
	}
	for(int i=0;i<n;i++){
		for(auto u : ve[i]){
//			cout << u << " ";
		}
//		cout << "\n";
	}
	cout << ve[n-1][m-1];
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: RUNTIME ERROR

Test 4

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 5

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 6

Group: 2

Verdict: RUNTIME ERROR

Test 7

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 8

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 9

Group: 2

Verdict: RUNTIME ERROR

Test 10

Group: 2

Verdict: TIME LIMIT EXCEEDED