Submission #727882

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
727882	2023-04-21T14:10:53 Z	SanguineChameleon	Hexagonal Territory (APIO21_hexagon)	C++17	20 / 100	2000 ms	67920 KB

hexagon

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

#ifdef KAMIRULEZ
	const bool local = true;
	const int subtask = 6;
#else
	const bool local = false;
	const int subtask = -1;
#endif

const long long mod = 1e9 + 7;
const long long one_half = (mod + 1) / 2;
const long long one_third = (mod + 1) / 3;
const int dx[7] = {0, 0, 1, 1, 0, -1, -1};
const int dy[7] = {0, 1, 1, 0, -1, -1, 0};

struct point {
	long long x, y;

	point() {};

	point(long long _x, long long _y): x(_x), y(_y) {};

	point operator*(long long d) {
		return point(x * d, y * d);
	}

	point operator+(point p2) {
		return point(x + p2.x, y + p2.y);
	}

	long long operator^(point p2) {
		return x * p2.y - y * p2.x;
	}
};

point dv[7] = {point(0, 0), point(0, 1), point(1, 1), point(1, 0), point(0, -1), point(-1, -1), point(-1, 0)};

ostream& operator<<(ostream &out, point p) {
	out << "(" << p.x << "," << p.y << ")";
	return out;
}

struct line {
	int type, dir, len;
	point p1, p2;
	int id;

	line() {};

	line(int _type, int _dir, point _p1, point _p2, int _id): type(_type), dir(_dir), p1(_p1), p2(_p2), id(_id) {
		len = p2.x - p1.x + 1;
	};

	long long calc() {
		long long Ly = p1.y;
		long long Ry = p1.y + (dir == 1 ? 0 : len - 1);
		if (type == 1) {
			Ly = 1 - Ly;
			Ry = 1 - Ry;
		}
		return (Ly + Ry) % mod * len % mod * one_half % mod;
	}

	long long eval_x(long long x) {
		if (dir == 1) {
			return p1.y;
		}
		else {
			return p1.y + (x - p1.x);
		}
	}

	void shorten(long long left_x, long long right_x) {
		long long v1 = eval_x(left_x);
		long long v2 = eval_x(right_x);
		p1 = point(left_x, v1);
		p2 = point(right_x, v2);
	}
};

ostream& operator<<(ostream &out, line L) {
	if (L.type == 1) {
		out << "(bottom,";
	}
	else {
		out << "(top,";
	}
	out << L.p1 << "," << L.p2 << ")";
	return out;
}

bool operator<(line L1, line L2) {
	int max_x = max(L1.p1.x, L2.p1.x);
	int v1 = L1.eval_x(max_x);
	int v2 = L2.eval_x(max_x);
	if (v1 != v2) {
		return v1 < v2;
	}
	else {
		return L1.type < L2.type;
	}
};

struct column {
	long long x, left_y, right_y, min_dist, left_min, right_min;

	column() {};

	column(long long _x, long long _left_y, long long _right_y): x(_x), left_y(_left_y), right_y(_right_y) {};

	column(long long _x, long long _left_y, long long _right_y, long long _min_dist, long long _left_min, long long _right_min): x(_x), left_y(_left_y), right_y(_right_y), min_dist(_min_dist), left_min(_left_min), right_min(_right_min) {};

	long long calc(long long A, long long B) {
		long long left_len = (left_min - left_y) % mod;
		long long mid_len = (right_min - left_min + 1) % mod;
		long long right_len = (right_y - right_min) % mod;
		long long A_sum = (right_y - left_y + 1) % mod;
		long long B_sum = (min_dist * mid_len % mod + (min_dist + 1 + min_dist + left_len) * left_len % mod * one_half % mod + (min_dist + 1 + min_dist + right_len) * right_len % mod * one_half % mod) % mod;
		return (A_sum * A + B_sum * B) % mod;
	}
};

ostream& operator<<(ostream &out, column Col) {
	out << "(" << Col.x << ",(" << Col.left_y << "," << Col.right_y << "),min=" << Col.min_dist << ",(" << Col.left_min << "," << Col.right_min << "))";
	return out;
}

struct comp {
	line bottom, top;
	int left_x, right_x, len;
	column left_col, right_col;
	long long sum;

	comp() {};

	comp(line _bottom, line _top, int _left_x, int _right_x): bottom(_bottom), top(_top), left_x(_left_x), right_x(_right_x) {
		bottom.shorten(left_x, right_x);
		top.shorten(left_x, right_x);
		len = right_x - left_x + 1;
	}

	long long calc() {
		long long Ly = top.p1.y - bottom.p1.y + 1;
		long long Ry = top.p2.y - bottom.p2.y + 1;
		return (Ly + Ry) % mod * len % mod * one_half % mod;
	}
};

ostream& operator<<(ostream &out, comp C) {
	out << "(" << C.bottom << "," << C.top << ",(" << C.left_x << "," << C.right_x << "))";
	return out;
}

column move_right_one(column Col1, column Col2) {
	if (Col2.left_y > Col1.right_min + 1) {
		Col2.min_dist = Col2.left_y - (Col1.right_min + 1) + (Col1.min_dist + 1);
		Col2.left_min = Col2.left_y;
		Col2.right_min = Col2.left_y;
		return Col2;
	}
	if (Col2.right_y < Col1.left_min) {
		Col2.min_dist = Col1.left_min - Col2.right_y + (Col1.min_dist + 1);
		Col2.left_min = Col2.right_y;
		Col2.right_min = Col2.right_y;
		return Col2;
	}
	Col2.min_dist = Col1.min_dist + 1;
	Col2.left_min = max(Col2.left_y, Col1.left_min);
	Col2.right_min = min(Col2.right_y, Col1.right_min + 1);
	return Col2;
}

column move_left_one(column Col1, column Col2) {
	if (Col2.left_y > Col1.right_min) {
		Col2.min_dist = Col2.left_y - Col1.right_min + (Col1.min_dist + 1);
		Col2.left_min = Col2.left_y;
		Col2.right_min = Col2.left_y;
		return Col2;
	}
	if (Col2.right_y < Col1.left_min - 1) {
		Col2.min_dist = (Col1.left_min - 1) - Col2.right_y + (Col1.min_dist + 1);
		Col2.left_min = Col2.right_y;
		Col2.right_min = Col2.right_y;
		return Col2;
	}
	Col2.min_dist = Col1.min_dist + 1;
	Col2.left_min = max(Col2.left_y, Col1.left_min - 1);
	Col2.right_min = min(Col2.right_y, Col1.right_min);
	return Col2;
}

pair<long long, column> move_right(column Col, line bottom, line top, long long left_x, long long right_x, long long A, long long B) {
	column cur = Col;
	long long res = cur.calc(A, B);
	for (int x = left_x + 1; x <= right_x; x++) {
		column nxt = move_right_one(cur, column(x, bottom.eval_x(x), top.eval_x(x)));
		res += nxt.calc(A, B);
		res %= mod;
		cur = nxt;
	}
	return make_pair(res, cur);
}

pair<long long, column> move_left(column Col, line bottom, line top, long long right_x, long long left_x, long long A, long long B) {
	column cur = Col;
	long long res = cur.calc(A, B);
	for (int x = right_x - 1; x >= left_x; x--) {
		column nxt = move_left_one(cur, column(x, bottom.eval_x(x), top.eval_x(x)));
		res += nxt.calc(A, B);
		res %= mod;
		cur = nxt;
	}
	return make_pair(res, cur);
}

vector<comp> comps;
vector<vector<int>> adj;

void dfs(int u, int par, long long A, long long B) {
	for (auto v: adj[u]) {
		if (v == par) {
			continue;
		}
		if (comps[u].right_x + 1 == comps[v].left_x) {
			comps[v].left_col = move_right_one(comps[u].right_col, column(comps[v].left_x, comps[v].bottom.p1.y, comps[v].top.p1.y));
			auto p_right = move_right(comps[v].left_col, comps[v].bottom, comps[v].top, comps[v].left_x, comps[v].right_x, A, B);
			comps[v].sum = p_right.first;
			comps[v].right_col = p_right.second;
		}
		else {
			comps[v].right_col = move_left_one(comps[u].left_col, column(comps[v].right_x, comps[v].bottom.p2.y, comps[v].top.p2.y));
			auto p_left = move_left(comps[v].right_col, comps[v].bottom, comps[v].top, comps[v].right_x, comps[v].left_x, A, B);
			comps[v].sum = p_left.first;
			comps[v].left_col = p_left.second;
		}
		dfs(v, u, A, B);
	}
}

int draw_territory(int N, int A, int B, vector<int> D, vector<int> L) {
	if (N == 3 && (!local || subtask == 1 || subtask == 2)) {
		int len = L[0] + 1;
		long long A_sum = 1LL * len * (len + 1) % mod * one_half % mod;
		long long B_sum = 1LL * len * (len - 1) % mod * one_half % mod + (len - 1) * len % mod * (len * 2 - 1) % mod * one_half % mod * one_third % mod;
		return (A_sum * A + B_sum * B) % mod;
	}
	long long L_sum = 0;
	for (int i = 0; i < N; i++) {
		L_sum += L[i];
	}
	if (L_sum <= 2000 && (!local || subtask == 3)) {
		vector<vector<bool>> border(4069, vector<bool>(4069, false));
		vector<vector<int>> dist(4069, vector<int>(4069, -1));
		int cx = 0;
		int cy = 0;
		for (int i = 0; i < N; i++) {
			for (int j = 0; j < L[i]; j++) {
				cx += dx[D[i]];
				cy += dy[D[i]];
				border[cx + 2023][cy + 2023] = true;
			}
		}
		deque<pair<int, int>> q = {{0, 0}};
		dist[0][0] = -2;
		while (!q.empty()) {
			cx = q.front().first;
			cy = q.front().second;
			q.pop_front();
			for (int d = 1; d <= 6; d++) {
				int nx = cx + dx[d];
				int ny = cy + dy[d];
				if (0 <= nx && nx < 4069 && 0 <= ny && ny < 4069 && !border[nx][ny] && dist[nx][ny] == -1) {
					dist[nx][ny] = -2;
					q.push_back({nx, ny});
				}
			}
		}
		q.push_back({2023, 2023});
		dist[2023][2023] = 0;
		long long res = 0;
		while (!q.empty()) {
			cx = q.front().first;
			cy = q.front().second;
			res += 1LL * B * dist[cx][cy] + A;
			res %= mod;
			q.pop_front();
			for (int d = 1; d <= 6; d++) {
				int nx = cx + dx[d];
				int ny = cy + dy[d];
				if (0 <= nx && nx < 4069 && 0 <= ny && ny < 4069 && dist[nx][ny] == -1) {
					dist[nx][ny] = dist[cx][cy] + 1;
					q.push_back({nx, ny});
				}
			}
		}
		return res;
	}
	long long area = 0;
	point cur = point(0, 0);
	vector<point> poly(N);
	for (int i = 0; i < N; i++) {
		poly[i] = cur;
		cur = cur + (dv[D[i]] * L[i]);
	}
	for (int i = 0; i < N; i++) {
		area += poly[i] ^ poly[(i + 1) % N];
	}
	if (area < 0) {
		reverse(D.begin(), D.end());
		for (int i = 0; i < N; i++) {
			if (D[i] <= 3) {
				D[i] += 3;
			}
			else {
				D[i] -= 3;
			}
		}
		reverse(L.begin(), L.end());
		cur = point(0, 0);
		for (int i = 0; i < N; i++) {
			poly[i] = cur;
			cur = cur + (dv[D[i]] * L[i]);
		}
	}
	vector<line> lines;
	vector<int> prv_x;
	for (int i = 0; i < N; i++) {
		point prv = poly[(i + (N - 1)) % N];
		point cur = poly[i];
		point nxt1 = poly[(i + 1) % N];
		point nxt2 = poly[(i + 2) % N];
		if (cur.x < nxt1.x) {
			point p1 = cur;
			point p2 = nxt1;
			int dir = (cur.y == nxt1.y ? 1 : 2);
			if (prv.x < cur.x) {
				if (dir == 1) {
					p1 = p1 + point(1, 0);
				}
				else {
					p1 = p1 + point(1, 1);
				}
			}
			if (prv.x == cur.x && prv.y < cur.y) {
				if (dir == 1) {
					p1 = p1 + point(1, 0);
				}
				else {
					p1 = p1 + point(1, 1);
				}
			}
			if (nxt1.x == nxt2.x && nxt1.y > nxt2.y) {
				if (dir == 1) {
					p2 = p2 + point(-1, 0);
				}
				else {
					p2 = p2 + point(-1, -1);
				}
			}
			if (p1.x <= p2.x) {
				lines.emplace_back(1, dir, p1, p2, lines.size());
				prv_x.push_back(p1.x);
			}
		}
		if (cur.x > nxt1.x) {
			point p1 = nxt1;
			point p2 = cur;
			int dir = (cur.y == nxt1.y ? 1 : 2);
			if (prv.x > cur.x) {
				if (dir == 1) {
					p2 = p2 + point(-1, 0);
				}
				else {
					p2 = p2 + point(-1, -1);
				}
			}
			if (prv.x == cur.x && prv.y > cur.y) {
				if (dir == 1) {
					p2 = p2 + point(-1, 0);
				}
				else {
					p2 = p2 + point(-1, -1);
				}
			}
			if (nxt1.x == nxt2.x && nxt1.y < nxt2.y) {
				if (dir == 1) {
					p1 = p1 + point(1, 0);
				}
				else {
					p1 = p1 + point(1, 1);
				}
			}
			if (p1.x <= p2.x) {
				lines.emplace_back(2, dir, p1, p2, lines.size());
				prv_x.push_back(p1.x);
			}
		}
	}
	vector<pair<int, pair<int, int>>> events;
	for (int i = 0; i < (int)lines.size(); i++) {
		events.push_back(make_pair(lines[i].p1.x - 1, make_pair(2, i)));
		events.push_back(make_pair(lines[i].p1.x, make_pair(0, i)));
		events.push_back(make_pair(lines[i].p2.x, make_pair(1, i)));
	}
	sort(events.begin(), events.end());
	set<line, less<>> S;
	for (auto e: events) {
		int cur_x = e.first;
		int type = e.second.first;
		line L = lines[e.second.second];
		auto it = (type == 0 ? S.insert(L).first : S.lower_bound(L));
		if (type == 1) {
			if (it->type == 1 && next(it) != S.end()) {
				auto bottom = it;
				auto top = next(it);
				if (prv_x[bottom->id] <= cur_x && prv_x[top->id] <= cur_x) {
					comps.emplace_back(*bottom, *top, prv_x[bottom->id], cur_x);
					prv_x[bottom->id] = cur_x + 1;
					prv_x[top->id] = cur_x + 1;
				}
			}
			if (it->type == 2 && it != S.begin()) {
				auto bottom = prev(it);
				auto top = it;
				if (prv_x[bottom->id] <= cur_x && prv_x[top->id] <= cur_x) {
					comps.emplace_back(*bottom, *top, prv_x[bottom->id], cur_x);
					prv_x[bottom->id] = cur_x + 1;
					prv_x[top->id] = cur_x + 1;
				}
			}
			S.erase(it);
		}
		if (type == 2) {
			if (it != S.end() && it != S.begin()) {
				auto bottom = prev(it);
				auto top = it;
				if (bottom->type == 1 && top->type == 2) {
					if (prv_x[bottom->id] <= cur_x && prv_x[top->id] <= cur_x) {
						comps.emplace_back(*bottom, *top, prv_x[bottom->id], cur_x);
						prv_x[bottom->id] = cur_x + 1;
						prv_x[top->id] = cur_x + 1;
					}
				}
			}
		}
	}
	adj.resize(comps.size());
	events.clear();
	for (int i = 0; i < (int)comps.size(); i++) {
		events.push_back(make_pair(comps[i].right_x + 1, make_pair(comps[i].bottom.p2.y, i)));
		events.push_back(make_pair(comps[i].left_x, make_pair(comps[i].bottom.p1.y, -i - 1)));
	}
	sort(events.begin(), events.end());
	int lid = -1;
	int rid = -1;
	int edge_cnt = 0;
	for (auto e: events) {
		if (e.second.second >= 0) {
			lid = e.second.second;
		}
		else {
			rid = -e.second.second - 1;
		}
		if (lid >= 0 && rid >= 0 && comps[lid].right_x + 1 == comps[rid].left_x && max(comps[lid].bottom.p2.y, comps[rid].bottom.p1.y) - 1 <= min(comps[lid].top.p2.y, comps[rid].top.p1.y)) {
			adj[lid].push_back(rid);
			adj[rid].push_back(lid);
			edge_cnt++;
		}
	}
	assert(edge_cnt + 1 == (int)comps.size());
	if (B == 0 && (!local || subtask == 4 || subtask == 5)) {
		long long res = 0;
		for (auto C: comps) {
			res += C.calc();
			res %= mod;
		}
		if (res < 0) {
			res += mod;
		}
		res = res * A % mod;
		return res;
	}
	int root = -1;
	for (int i = 0; i < (int)comps.size(); i++) {
		auto C = comps[i];
		if (C.left_x <= 0 && 0 <= C.right_x) {
			int left_y = C.bottom.eval_x(0);
			int right_y = C.top.eval_x(0);
			if (left_y <= 0 && 0 <= right_y) {
				column mid_col(0, left_y, right_y, 0, 0, 0);
				auto p_left = move_left(mid_col, C.bottom, C.top, 0, C.left_x, A, B);
				auto p_right = move_right(mid_col, C.bottom, C.top, 0, C.right_x, A, B);
				comps[i].left_col = p_left.second;
				comps[i].right_col = p_right.second;
				comps[i].sum = (p_left.first + p_right.first + mod - mid_col.calc(A, B)) % mod;
				root = i;
				break;
			}
		}
	}
	dfs(root, -1, A, B);
	long long res = 0;
	for (auto C: comps) {
		res += C.sum;
		res %= mod;
	}
	return res;
}

Subtask #1

3.0 / 3.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct

Subtask #2

6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	296 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct

Subtask #3

11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	654 ms	67568 KB	Output is correct
2	Correct	816 ms	67564 KB	Output is correct
3	Correct	672 ms	67580 KB	Output is correct
4	Correct	853 ms	67572 KB	Output is correct
5	Correct	660 ms	67640 KB	Output is correct
6	Correct	692 ms	67916 KB	Output is correct
7	Correct	659 ms	67920 KB	Output is correct
8	Correct	637 ms	67664 KB	Output is correct
9	Correct	641 ms	67772 KB	Output is correct
10	Correct	664 ms	67556 KB	Output is correct
11	Correct	656 ms	67536 KB	Output is correct
12	Correct	654 ms	67692 KB	Output is correct
13	Correct	619 ms	67536 KB	Output is correct
14	Correct	636 ms	67668 KB	Output is correct
15	Correct	652 ms	67684 KB	Output is correct
16	Correct	738 ms	67572 KB	Output is correct
17	Correct	729 ms	67532 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct

Subtask #4

0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	9 ms	3304 KB	Output is correct
3	Correct	2 ms	1032 KB	Output is correct
4	Correct	2 ms	596 KB	Output is correct
5	Correct	5 ms	1804 KB	Output is correct
6	Correct	9 ms	3204 KB	Output is correct
7	Runtime error	36 ms	16304 KB	Execution killed with signal 6
8	Halted	0 ms	0 KB	-

Subtask #5

0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	9 ms	3200 KB	Output is correct
5	Correct	2 ms	1076 KB	Output is correct
6	Correct	2 ms	596 KB	Output is correct
7	Correct	6 ms	1804 KB	Output is correct
8	Correct	9 ms	3332 KB	Output is correct
9	Runtime error	34 ms	16400 KB	Execution killed with signal 6
10	Halted	0 ms	0 KB	-

Subtask #6

0 / 19.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	692 ms	67800 KB	Output is correct
2	Correct	653 ms	67520 KB	Output is correct
3	Correct	677 ms	67504 KB	Output is correct
4	Correct	705 ms	67568 KB	Output is correct
5	Correct	759 ms	67712 KB	Output is correct
6	Correct	665 ms	67792 KB	Output is correct
7	Correct	677 ms	67552 KB	Output is correct
8	Correct	724 ms	67548 KB	Output is correct
9	Correct	758 ms	67536 KB	Output is correct
10	Correct	702 ms	67676 KB	Output is correct
11	Correct	693 ms	67680 KB	Output is correct
12	Correct	656 ms	67680 KB	Output is correct
13	Correct	644 ms	67916 KB	Output is correct
14	Correct	646 ms	67556 KB	Output is correct
15	Correct	655 ms	67576 KB	Output is correct
16	Correct	667 ms	67568 KB	Output is correct
17	Correct	658 ms	67572 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	7 ms	3304 KB	Output is correct
20	Correct	2 ms	1032 KB	Output is correct
21	Correct	1 ms	596 KB	Output is correct
22	Correct	5 ms	1804 KB	Output is correct
23	Correct	8 ms	3204 KB	Output is correct
24	Runtime error	32 ms	16308 KB	Execution killed with signal 6
25	Halted	0 ms	0 KB	-

Subtask #7

0 / 18.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Execution timed out	2088 ms	212 KB	Time limit exceeded
6	Halted	0 ms	0 KB	-

Subtask #8

0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	621 ms	67696 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	624 ms	67488 KB	Output is correct
7	Correct	629 ms	67676 KB	Output is correct
8	Correct	622 ms	67668 KB	Output is correct
9	Correct	641 ms	67536 KB	Output is correct
10	Correct	646 ms	67572 KB	Output is correct
11	Correct	686 ms	67564 KB	Output is correct
12	Correct	652 ms	67540 KB	Output is correct
13	Correct	651 ms	67652 KB	Output is correct
14	Correct	661 ms	67532 KB	Output is correct
15	Correct	631 ms	67532 KB	Output is correct
16	Correct	625 ms	67560 KB	Output is correct
17	Correct	650 ms	67524 KB	Output is correct
18	Correct	637 ms	67576 KB	Output is correct
19	Correct	637 ms	67532 KB	Output is correct
20	Correct	652 ms	67564 KB	Output is correct
21	Correct	636 ms	67672 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	7 ms	3304 KB	Output is correct
24	Correct	2 ms	1032 KB	Output is correct
25	Correct	1 ms	560 KB	Output is correct
26	Correct	5 ms	1804 KB	Output is correct
27	Correct	9 ms	3204 KB	Output is correct
28	Runtime error	34 ms	16320 KB	Execution killed with signal 6
29	Halted	0 ms	0 KB	-