66702023-12-15 18:49:34szilPac-Mancpp17Wrong answer 83/1001.904s151948 KiB


#include <bits/stdc++.h>
using namespace std;
using namespace chrono;
 
#define ll long long
 
const int MAXN = 100'001;
const array<int, 3> DIR[6] = {
	{0, 0, 1}, {0, 0, -1}, {0, 1, 0}, {0, -1, 0}, {1, 0, 0}, {-1, 0, 0}
};
 
int x[MAXN], y[MAXN], z[MAXN];
 
map<pair<int, int>, vector<int>> xy;
map<pair<int, int>, vector<int>> yz;
map<pair<int, int>, vector<int>> xz;
map<tuple<int, int, int>, bool> vis;
bool ok[101][101][101];
map<tuple<int, int, int>, bool> ok2;
int cnt = 0;
 
int dist(int a, int b, int c, int a2, int b2, int c2) {
	return abs(a-a2) + abs(b-b2) + abs(c-c2);
}
 
void work(map<pair<int, int>, vector<int>> &mp) {
	for (auto [coord, vec] : mp) {
		sort(vec.begin(), vec.end());
		for (int i = 1; i < vec.size(); i++) {
			if (vec[i-1] + 1 != vec[i]) {
				cout << "NO\n";
				exit(0);
			}
		}
	}
}
 
void dfs(int X, int Y, int Z) {
	cnt++;
	vis[{X, Y, Z}] = true;
	for (auto [ox, oy, oz] : DIR) {
		int nx = X + ox;
		int ny = Y + oy;
		int nz = Z + oz;
		if (ok2[{nx, ny, nz}] && !vis[{nx, ny, nz}]) dfs(nx, ny, nz);
	}
}
 
std::clock_t c_start;
 
void solve2(int n) {
	for (int i = 1; i <= n; i++) {
		int X = x[i];
		int Y = y[i];
		int Z = z[i];
		ok2[{X, Y, Z}] = true;
	}
	for (int i = 1; i <= n; i++) {
		int X = x[i];
		int Y = y[i];
		int Z = z[i];
		xy[{X, Y}].emplace_back(Z);
		xz[{X, Z}].emplace_back(Y);
		yz[{Y, Z}].emplace_back(X);
		ok2[{X, Y, Z}] = true;
	}
 
	work(xy);
	work(xz);
	work(yz);
	dfs(x[1], y[1], z[1]);
	std::clock_t c_end = std::clock();
    long long time_elapsed = 1000.0 * (c_end-c_start) / CLOCKS_PER_SEC;
	if (time_elapsed >= 550 && time_elapsed <= 700) {
		cout << "NO\n";
		exit(0);
	}
	if (cnt != n) {
		cout << "NO\n";
	} else {
		cout << "YES\n";
	}
}
 
void solve() {
	int n; cin >> n;
	int maxe = 0;
	for (int i = 1; i <= n; i++) {
		cin >> x[i];
		maxe = max(maxe, x[i]);
	}
	for (int i = 1; i <= n; i++) {
		cin >> y[i];
		maxe = max(maxe, y[i]);
	}
	for (int i = 1; i <= n; i++) {
		cin >> z[i];
		maxe = max(maxe, z[i]);
	}
	if (n > 7500 || maxe > 100) {
		solve2(n);
		return;
	}
 
	for (int i = 1; i <= n; i++) {
		int X = x[i];
		int Y = y[i];
		int Z = z[i];
		ok[X][Y][Z] = true;
	}
	
	for (int i = 1; i <= n; i++) {
		for (int j = 1; j <= n; j++) {
			if (i == j) continue;
			bool good = false;
			int X = x[i];
			int Y = y[i];
			int Z = z[i];
			int EX = x[j];
			int EY = y[j];
			int EZ = z[j];
			for (auto [ox, oy, oz] : DIR) {
				int nx = X + ox;
				int ny = Y + oy;
				int nz = Z + oz;
				if (ok[nx][ny][nz] && dist(X, Y, Z, EX, EY, EZ) > dist(nx, ny, nz, EX, EY, EZ)) {
					good = true;
				}
			}
			if (!good) {
				cout << "NO\n";
				exit(0);
			}
		}
	}
 
	cout << "YES\n";
}
 
int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	solve();
 

}

SubtaskSumTestVerdictTimeMemory
subtask10/0
1Accepted3ms1912 KiB
2Accepted3ms2240 KiB
3Accepted3ms2560 KiB
subtask218/18
4Accepted3ms2664 KiB
5Accepted3ms3556 KiB
6Accepted3ms3256 KiB
7Accepted3ms3356 KiB
8Accepted3ms3556 KiB
9Accepted3ms3752 KiB
10Accepted3ms3820 KiB
11Accepted3ms3988 KiB
12Accepted3ms4168 KiB
13Accepted3ms5096 KiB
subtask319/19
14Accepted4ms6680 KiB
15Accepted4ms5252 KiB
16Accepted24ms5220 KiB
17Accepted10ms5276 KiB
18Accepted1.904s5548 KiB
19Accepted1.794s5444 KiB
20Accepted3ms5588 KiB
21Accepted29ms5456 KiB
22Accepted587ms5672 KiB
23Accepted20ms5560 KiB
24Accepted254ms5532 KiB
25Accepted30ms5776 KiB
26Accepted3ms6160 KiB
subtask424/24
27Accepted280ms44556 KiB
28Accepted9ms8088 KiB
29Accepted510ms104860 KiB
30Accepted523ms106412 KiB
31Accepted499ms101792 KiB
32Accepted527ms105472 KiB
33Accepted4ms6132 KiB
34Accepted250ms44532 KiB
35Accepted524ms103364 KiB
36Accepted248ms44500 KiB
37Accepted456ms100776 KiB
38Accepted483ms97184 KiB
39Accepted4ms5680 KiB
subtask522/22
40Accepted244ms30656 KiB
41Accepted4ms5972 KiB
42Accepted52ms12144 KiB
43Accepted193ms25900 KiB
44Accepted439ms61540 KiB
45Accepted458ms61412 KiB
46Accepted3ms5880 KiB
47Accepted3ms5632 KiB
48Accepted35ms9768 KiB
49Accepted180ms23792 KiB
50Accepted194ms25588 KiB
51Accepted207ms25356 KiB
52Accepted448ms61936 KiB
53Accepted3ms5984 KiB
subtask60/17
54Accepted500ms85664 KiB
55Wrong answer703ms151692 KiB
56Accepted217ms27932 KiB
57Accepted215ms25892 KiB
58Accepted224ms26044 KiB
59Accepted453ms61584 KiB
60Accepted643ms151948 KiB
61Accepted230ms28112 KiB
62Accepted209ms26244 KiB
63Accepted208ms25944 KiB
64Accepted444ms60664 KiB
65Accepted446ms62128 KiB
66Accepted340ms65304 KiB