제출 #1285351

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1285351		vache_kocharyan	Zamjena (COCI18_zamjena)	C++20	0 / 70	1096 ms	3144 KiB

zamjena

#define _CRT_SECURE_NO_WARNINGS

#include <bits/stdc++.h>
#include <unordered_map>
#include <unordered_set>
#include <cassert>

using namespace std;

typedef long long ll;

#define ss second
#define ff first
#define all(X) X.begin(), X.end()
#define rall(X) X.rbegin(), X.rend()
#define cinall(X) for(auto &i:X)cin >> i
#define printall(X) for(auto &i:X)cout << i
#define printFromTo(cont, i, j, ch) for(int _ = i; _ <= j; _++)cout << cont[_] << ch
#define readFromTo(cont, i, j) for(int _ = i; _ <= j; _++)cin >> cont[_]
#define fillFromTo(cont, i, j, x) for(int _ = i; _ <= j; _++)cont[_] = x;
#define pb push_back

#define MAKE_UNIQUE_KEEP_ORDER(vec) do { \
	unordered_set<decltype((vec).front())> seen; \
	(vec).erase(remove_if((vec).begin(), (vec).end(), [&](auto &val) { \
		if (seen.count(val)) return true; \
		seen.insert(val); \
		return false; \
	}), (vec).end()); \
} while(0)

#define UNIQUE_SORT(vec) do { \
	sort((vec).begin(), (vec).end()); \
	(vec).erase(unique((vec).begin(), (vec).end()), (vec).end()); \
} while(0)

#define yes cout << "YES" << endl
#define no cout << "NO" << endl
#define MIN(v) *min_element(all(v))
#define MAX(v) *max_element(all(v))
#define LB(c, x) (lower_bound((c).begin(), (c).end(), (x)) - (c).begin())
#define UB(c, x) (upper_bound((c).begin(), (c).end(), (x)) - (c).begin())

const int N = 350 + 5;
const int LOG = 30;
const long long INFLL = 1e18;
const int INF = 1e9;
const long double epsilon = 0.000001;
const long long mod = 1e9 + 7;

constexpr ll TEN[] = {
	1LL,
	10LL,
	100LL,
	1000LL,
	10000LL,
	100000LL,
	1000000LL,
	10000000LL,
	100000000LL,
	1000000000LL,
	10000000000LL,
	100000000000LL,
	1000000000000LL,
	10000000000000LL,
	100000000000000LL,
	1000000000000000LL,
	10000000000000000LL,
	100000000000000000LL,
	1000000000000000000LL,
};

long long binPowByMod(long long x, long long power, long long modx) {
	long long res = 1;
	long long base = x % modx;
	while (power > 0) {
		if (power & 1) res = (res * base) % modx;
		base = (base * base) % modx;
		power >>= 1;
	}
	return res;
}

void set_IO(string str = "")
{
	if (!str.empty()) {
		freopen((str + ".in").c_str(), "r", stdin);
		freopen((str + ".out").c_str(), "w", stdout);
	}
}

vector<string>v1, v2;

void nain()
{
	cout << "NE";
}

void ja()
{
	cout << "DA";
}

bool is(char c)
{
	if (c >= '0' && c <= '9')return true;
	else return false;
}

void solve()
{
	v1.clear();
	v2.clear();

	int n;
	cin >> n;

	map<string, int>mp;
	for (int i = 0; i < n; i++)
	{
		string s;
		cin >> s;

		v1.push_back(s);
		if (is(s[0]))
			mp[v1[i]] = stoi(s);
		else
			mp[v1[i]] = -1;
	}
	for (int i = 0; i < n; i++)
	{
		string s;
		cin >> s;

		v2.push_back(s);
		if (is(s[0]))
			mp[v2[i]] = stoi(s);
		else
			mp[v2[i]] = -1;
	}

	for (int i = 0; i < n; i++)
	{
		if (mp[v1[i]] != mp[v2[i]] && (is(v1[i][0]) && is(v2[i][0]))) { nain(); return; }
	}

	int it = n * 2;
	while (it--) {
		for (int i = 0; i < n; i++)
		{
			if (is(v1[i][0]))
			{
				if (!is(v2[i][0]))
				{
					if (mp[v2[i]] != -1)
					{
						if (mp[v2[i]] != mp[v1[i]])
						{
							nain();
							return;
						}
					}
					else
					{
						mp[v2[i]] = mp[v1[i]];
						v2[i] = v1[i];
					}
				}
			}
			if (is(v2[i][0]))
			{
				if (!is(v1[i][0]))
				{
					if (mp[v1[i]] != -1)
					{
						if (mp[v1[i]] != mp[v2[i]])
						{
							nain();
							return;
						}
					}
					else
					{
						mp[v1[i]] = mp[v2[i]];
						v1[i] = v2[i];
					}
				}
			}
		}
	}

	ja();
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	int t = 1;
	cin >> t;
	while (t--) {
		solve();
		cout << endl;
	}
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

zamjena.cpp: In function 'void set_IO(std::string)':
zamjena.cpp:87:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   87 |                 freopen((str + ".in").c_str(), "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
zamjena.cpp:88:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   88 |                 freopen((str + ".out").c_str(), "w", stdout);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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