제출 #385258

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
385258		penguinhacker	Zamjena (COCI18_zamjena)	C++14	70 / 70	187 ms	16364 KiB

zamjena

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

#define ll long long
#define ar array

int n, c;
string a[50000], b[50000];
set<string> vis;
map<string, vector<string>> adj;

void dfs(string u) {
	vis.insert(u);
	c += isdigit(u[0]);
	for (string v : adj[u])
		if (vis.find(v) == vis.end())
			dfs(v);
}

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> n;
	for (int i = 0; i < n; ++i)
		cin >> a[i];
	for (int i = 0; i < n; ++i)
		cin >> b[i];
	for (int i = 0; i < n; ++i)
		if (a[i] != b[i]) {
			adj[a[i]].push_back(b[i]);
			adj[b[i]].push_back(a[i]);
		}
	for (auto& x : adj)
		if (vis.find(x.first) == vis.end()) {
			c = 0, dfs(x.first);
			if (c > 1) {
				cout << "NE";
				return 0;
			}
		}
	cout << "DA";
	return 0;
}

• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 14 / 14
• Subtask 4: 14 / 14
• Subtask 5: 14 / 14