Submission #533770

#	Time	Username	Problem	Language	Result	Execution time	Memory
533770		FronPaw	Ronald (COCI17_ronald)	C++14	75 / 120	45 ms	2244 KiB

ronald

#include <bits/stdc++.h>
#define int long long
using namespace std;
map <int, int> fr;
bool ok1 (int n)
{
	bool good = true;
	int cate = n - 1;
	for (auto it:fr)
		if (it.second != cate)
			good = false;
	return good;
}
main ()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int n, m;
	cin >> n >> m;
	for (int i = 1;i<=m;++i)
	{
		int a, b;
		cin >> a >> b;
		fr[a]++, fr[b]++;
	}
	if (ok1(n))
	{
		cout << "DA";
		return 0;
	}
	bool ok = 1;
	for (auto it:fr)
	{
		if (it.second % 2 == 0)
			ok = 0;
	}
	if (ok == 1)
		cout << "DA";
	else
		cout << "NE";
	return 0;
}

Compilation message (stderr)

ronald.cpp:14:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   14 | main ()
      | ^~~~

• Subtask 1: 15 / 15
• Subtask 2: 15 / 15
• Subtask 3: 0 / 15
• Subtask 4: 15 / 15
• Subtask 5: 0 / 15
• Subtask 6: 0 / 15
• Subtask 7: 15 / 15
• Subtask 8: 15 / 15