Submission #1758155

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Source Code Expand

#include "iostream"
#include "climits"
#include "list"
#include "queue"
#include "stack"
#include "set"
#include "functional"
#include "algorithm"
#include "string"
#include "map"
#include "iomanip"
#include "cmath"
#include "ctime"

using namespace std;

const long long int MOD = 1000000007;

long long int N, M, K, H, W, L, R;


int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);

	string s;
	getline(cin,s);
	s.push_back(' ');
	set<string>ans;
	string box;
	bool flag = false;
	for (auto i : s) {
		if (i == '@') {
			if (flag) {
				ans.insert(box);
				box.clear();
			}
			flag = true;
		}
		else if (i == ' ') {
			ans.insert(box);
			box.clear();
			flag = false;
		}
		else if(flag){
			box.push_back(i);
		}
	}
	for (auto i : ans) {
		if (i.empty()) {
			continue;
		}
		cout << i << endl;
	}
	return 0;
}

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