Function main

Hackerrank_problems/Bigger is Greater/solution2.cpp:19–45

vector<string> st;

int main() {
	string c;
	int numberOfTestCases;//number of test cases
	cin >> numberOfTestCases;
	for (int i = 0; i < numberOfTestCases; i++) {
		string s;
		cin >> s;
		st.push_back(s);
	}
	for (int i = 0; i < numberOfTestCases; i++) {
		string tmp = st[i];
		string answer;
		do {
			next_permutation(st[i].begin(), st[i].end()); // for sorting 
			if (tmp < st[i])
				answer = st[i];
			tmp = st[i];

		} while (st[i] != tmp);

		if (answer.empty())
			cout << "no answer" << endl;
		else
			cout << answer << endl;
	}
	return 0;
}