Submission #621133

#	Time	Username	Problem	Language	Result	Execution time	Memory
621133		Elnady	Zamjena (COCI18_zamjena)	C++17	70 / 70	197 ms	15728 KiB

zamjena

#include <bits/stdc++.h>

using namespace std;
#define     endl                '\n'
#define     int                 long long
#define     all(pr1)            pr1.begin(),pr1.end()
#define     alr(pr1)            pr1.rbegin(),pr1.rend()
#define     CEIL(pr1, pr2)      (pr1 + pr2 - 1) / pr2
#define     IOS                 std::ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define		RT(s)				return cout<<s,0
#define		sz(s)				(long long)(s.size())

const long long N = 2e5 + 9, M = 1e9 + 9, MOD = 1e9 + 7, OO = 0x3f3f3f3f, MAX = 2147483647, LOO = 0x3f3f3f3f3f3f3f3f;

bool isNum(char c)
{
	if (c >= '0' && c <= '9')
		return 1;
	return 0;
}

int32_t main()
{
	IOS;
	int n;
	cin >> n;
	vector<string> a(n), b(n);
	multiset <pair<string, string>> st;
	for (int i = 0; i < n; i++)
		cin >> a[i];
	for (int i = 0; i < n; i++)
		cin >> b[i];
	bool can = 1;
	map<string, int> mp;
	map<string, vector<string>> mp2;
	for (int i = 0; i < n && can; i++)
	{
		bool aa = isNum(a[i][0]);
		bool bb = isNum(b[i][0]);
		if (aa && bb)
		{
			if (a[i] != b[i])
				can = 0;
		}
		else if (aa && !bb)
			st.insert({ a[i],b[i] });
		else if (!aa && bb)
			st.insert({ b[i],a[i] });
		else
		{
			mp2[a[i]].push_back(b[i]);
			mp2[b[i]].push_back(a[i]);
		}
	}
	while (can && sz(st))
	{
		pair<string, string> xx = *(st.begin());
		st.erase(st.begin());

		int x = stoi(xx.first);
		string y = xx.second;
		if (mp.find(y) != mp.end() && mp[y] != x)
			can = 0;
		else
		{
			mp[y] = x;

			for (int i = sz(mp2[y]) - 1; i >= 0; i--)
			{
				string z = to_string(x);
				st.insert({ z, mp2[y].back() });
				mp2[y].pop_back();
			}
		}
	}
	cout << (can ? "DA\n" : "NE\n");
}

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