Submission #994694

# Submission time Handle Problem Language Result Execution time Memory
994694 2024-06-08T03:59:04 Z pavement Portal (BOI24_portal) C++17
100 / 100
52 ms 6740 KB
#include <bits/stdc++.h>
using namespace std;

#define pb push_back
#define eb emplace_back
#define int __int128

using ii = pair<int, int>;
using ll = long long;

int N, x[100005], y[100005], dx[100005], dy[100005];
ll _N, _x, _y;

vector<ii> reduce(vector<ii> v) {
	//~ cout << "BEF\n";
	//~ for (auto [x, y] : v) {
		//~ cout << x << ' ' << y << '\n';
	//~ }
	for (int rep = 0; rep < 2; rep++) {
		// reduce 0 and 1
		while (v[0].first && v[1].first) {
			if (v[0].first < 0) {
				v[0].first = -v[0].first;
				v[0].second = -v[0].second;
			}
			if (v[1].first < 0) {
				v[1].first = -v[1].first;
				v[1].second = -v[1].second;
			}
			if (v[1].first > v[0].first) {
				swap(v[0], v[1]);
			}
			int t = v[0].first / v[1].first;
			v[0].first -= t * v[1].first;
			v[0].second -= t * v[1].second;
		}
		if (v[0].first == 0) {
			swap(v[0], v[2]);
		} else {
			swap(v[1], v[2]);
		}
	}
	//~ cout << "AFT\n";
	//~ for (auto [x, y] : v) {
		//~ cout << x << ' ' << y << '\n';
	//~ }
	vector<int> zz;
	vector<ii> oth;
	for (int i = 0; i < 3; i++) {
		if (v[i].first == 0) {
			zz.pb(v[i].second);
		} else {
			oth.pb(v[i]);
		}
	}
	assert(zz.size() >= 2);
	int g = 0;
	for (auto i : zz) {
		g = __gcd(g, i);
	}
	oth.eb(0, g);
	return oth;
}

main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> _N;
	N = _N;
	for (int i = 1; i <= N; i++) {
		cin >> _x >> _y;
		x[i] = _x;
		y[i] = _y;
	}
	vector<ii> vec;
	for (int i = 1; i < N; i++) {
		dx[i] = x[i + 1] - x[i];
		dy[i] = y[i + 1] - y[i];
		if ((int)vec.size() < 3) {
			vec.eb(dx[i], dy[i]);
		}
		if ((int)vec.size() == 3) {
			vec = reduce(vec);
		}
	}
	assert(vec.size() <= 2);
	if (vec.size() <= 1) {
		cout << "-1\n";
	} else {
		if (vec[0].first * vec[1].second == vec[0].second * vec[1].first) {
			cout << "-1\n";
		} else {
			cout << llabs(vec[0].first * vec[1].second - vec[0].second * vec[1].first) << '\n';
		}
	}
}

Compilation message

Main.cpp:65:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   65 | main() {
      | ^~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 4444 KB Output is correct
3 Correct 0 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4440 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 0 ms 4444 KB Output is correct
15 Correct 0 ms 4444 KB Output is correct
16 Correct 0 ms 4444 KB Output is correct
17 Correct 0 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 4444 KB Output is correct
3 Correct 0 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4440 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 0 ms 4444 KB Output is correct
15 Correct 0 ms 4444 KB Output is correct
16 Correct 0 ms 4444 KB Output is correct
17 Correct 0 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4696 KB Output is correct
24 Correct 1 ms 4440 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4440 KB Output is correct
28 Correct 0 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 0 ms 4444 KB Output is correct
31 Correct 0 ms 2396 KB Output is correct
32 Correct 0 ms 4444 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 0 ms 4444 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 26 ms 6644 KB Output is correct
3 Correct 27 ms 6492 KB Output is correct
4 Correct 31 ms 6712 KB Output is correct
5 Correct 27 ms 6492 KB Output is correct
6 Correct 29 ms 6492 KB Output is correct
7 Correct 25 ms 6492 KB Output is correct
8 Correct 25 ms 6488 KB Output is correct
9 Correct 24 ms 6492 KB Output is correct
10 Correct 34 ms 6492 KB Output is correct
11 Correct 27 ms 6492 KB Output is correct
12 Correct 28 ms 6492 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 26 ms 6700 KB Output is correct
15 Correct 26 ms 6492 KB Output is correct
16 Correct 25 ms 6716 KB Output is correct
17 Correct 25 ms 6492 KB Output is correct
18 Correct 35 ms 6492 KB Output is correct
19 Correct 29 ms 6492 KB Output is correct
20 Correct 30 ms 6740 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4440 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 1 ms 4440 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4564 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 0 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4440 KB Output is correct
29 Correct 0 ms 4444 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4440 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 1 ms 4444 KB Output is correct
40 Correct 1 ms 4444 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 4444 KB Output is correct
3 Correct 0 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4440 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 0 ms 4444 KB Output is correct
15 Correct 0 ms 4444 KB Output is correct
16 Correct 0 ms 4444 KB Output is correct
17 Correct 0 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4696 KB Output is correct
24 Correct 1 ms 4440 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4440 KB Output is correct
28 Correct 0 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 0 ms 4444 KB Output is correct
31 Correct 0 ms 2396 KB Output is correct
32 Correct 0 ms 4444 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 0 ms 4444 KB Output is correct
40 Correct 1 ms 4444 KB Output is correct
41 Correct 1 ms 4444 KB Output is correct
42 Correct 0 ms 2396 KB Output is correct
43 Correct 1 ms 4444 KB Output is correct
44 Correct 1 ms 4444 KB Output is correct
45 Correct 1 ms 4444 KB Output is correct
46 Correct 1 ms 4444 KB Output is correct
47 Correct 1 ms 4444 KB Output is correct
48 Correct 1 ms 4444 KB Output is correct
49 Correct 1 ms 4444 KB Output is correct
50 Correct 1 ms 4440 KB Output is correct
51 Correct 1 ms 4444 KB Output is correct
52 Correct 1 ms 4444 KB Output is correct
53 Correct 1 ms 4444 KB Output is correct
54 Correct 1 ms 2392 KB Output is correct
55 Correct 1 ms 4440 KB Output is correct
56 Correct 1 ms 4444 KB Output is correct
57 Correct 1 ms 4444 KB Output is correct
58 Correct 1 ms 4564 KB Output is correct
59 Correct 1 ms 4444 KB Output is correct
60 Correct 1 ms 4444 KB Output is correct
61 Correct 1 ms 4444 KB Output is correct
62 Correct 1 ms 4444 KB Output is correct
63 Correct 1 ms 4444 KB Output is correct
64 Correct 0 ms 4444 KB Output is correct
65 Correct 1 ms 4444 KB Output is correct
66 Correct 1 ms 4444 KB Output is correct
67 Correct 1 ms 4440 KB Output is correct
68 Correct 0 ms 4444 KB Output is correct
69 Correct 1 ms 4444 KB Output is correct
70 Correct 1 ms 4444 KB Output is correct
71 Correct 1 ms 4444 KB Output is correct
72 Correct 1 ms 4444 KB Output is correct
73 Correct 1 ms 4440 KB Output is correct
74 Correct 1 ms 4444 KB Output is correct
75 Correct 1 ms 4444 KB Output is correct
76 Correct 1 ms 4444 KB Output is correct
77 Correct 1 ms 4444 KB Output is correct
78 Correct 1 ms 4444 KB Output is correct
79 Correct 1 ms 4444 KB Output is correct
80 Correct 2 ms 4444 KB Output is correct
81 Correct 1 ms 4444 KB Output is correct
82 Correct 1 ms 4444 KB Output is correct
83 Correct 1 ms 4444 KB Output is correct
84 Correct 1 ms 4444 KB Output is correct
85 Correct 1 ms 4508 KB Output is correct
86 Correct 1 ms 4440 KB Output is correct
87 Correct 1 ms 4444 KB Output is correct
88 Correct 1 ms 2396 KB Output is correct
89 Correct 2 ms 4444 KB Output is correct
90 Correct 1 ms 4444 KB Output is correct
91 Correct 1 ms 4444 KB Output is correct
92 Correct 1 ms 4444 KB Output is correct
93 Correct 2 ms 4440 KB Output is correct
94 Correct 1 ms 4444 KB Output is correct
95 Correct 1 ms 4444 KB Output is correct
96 Correct 1 ms 4444 KB Output is correct
97 Correct 1 ms 4444 KB Output is correct
98 Correct 1 ms 4444 KB Output is correct
99 Correct 1 ms 4444 KB Output is correct
100 Correct 1 ms 4440 KB Output is correct
101 Correct 1 ms 4444 KB Output is correct
102 Correct 2 ms 4440 KB Output is correct
103 Correct 1 ms 4444 KB Output is correct
104 Correct 1 ms 4444 KB Output is correct
105 Correct 1 ms 4444 KB Output is correct
106 Correct 1 ms 4596 KB Output is correct
107 Correct 1 ms 4440 KB Output is correct
108 Correct 1 ms 4444 KB Output is correct
109 Correct 1 ms 4440 KB Output is correct
110 Correct 1 ms 4444 KB Output is correct
111 Correct 1 ms 4444 KB Output is correct
112 Correct 0 ms 4444 KB Output is correct
113 Correct 0 ms 4444 KB Output is correct
114 Correct 1 ms 4444 KB Output is correct
115 Correct 1 ms 4444 KB Output is correct
116 Correct 1 ms 4444 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 4444 KB Output is correct
3 Correct 0 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4440 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 0 ms 4444 KB Output is correct
15 Correct 0 ms 4444 KB Output is correct
16 Correct 0 ms 4444 KB Output is correct
17 Correct 0 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4696 KB Output is correct
24 Correct 1 ms 4440 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4440 KB Output is correct
28 Correct 0 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 0 ms 4444 KB Output is correct
31 Correct 0 ms 2396 KB Output is correct
32 Correct 0 ms 4444 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 0 ms 4444 KB Output is correct
40 Correct 1 ms 2396 KB Output is correct
41 Correct 26 ms 6644 KB Output is correct
42 Correct 27 ms 6492 KB Output is correct
43 Correct 31 ms 6712 KB Output is correct
44 Correct 27 ms 6492 KB Output is correct
45 Correct 29 ms 6492 KB Output is correct
46 Correct 25 ms 6492 KB Output is correct
47 Correct 25 ms 6488 KB Output is correct
48 Correct 24 ms 6492 KB Output is correct
49 Correct 34 ms 6492 KB Output is correct
50 Correct 27 ms 6492 KB Output is correct
51 Correct 28 ms 6492 KB Output is correct
52 Correct 1 ms 2392 KB Output is correct
53 Correct 26 ms 6700 KB Output is correct
54 Correct 26 ms 6492 KB Output is correct
55 Correct 25 ms 6716 KB Output is correct
56 Correct 25 ms 6492 KB Output is correct
57 Correct 35 ms 6492 KB Output is correct
58 Correct 29 ms 6492 KB Output is correct
59 Correct 30 ms 6740 KB Output is correct
60 Correct 1 ms 4444 KB Output is correct
61 Correct 1 ms 4444 KB Output is correct
62 Correct 0 ms 2396 KB Output is correct
63 Correct 1 ms 4444 KB Output is correct
64 Correct 1 ms 4444 KB Output is correct
65 Correct 1 ms 4444 KB Output is correct
66 Correct 1 ms 4444 KB Output is correct
67 Correct 1 ms 4444 KB Output is correct
68 Correct 1 ms 4444 KB Output is correct
69 Correct 1 ms 4444 KB Output is correct
70 Correct 1 ms 4440 KB Output is correct
71 Correct 1 ms 4444 KB Output is correct
72 Correct 1 ms 4444 KB Output is correct
73 Correct 1 ms 4444 KB Output is correct
74 Correct 1 ms 2392 KB Output is correct
75 Correct 1 ms 4440 KB Output is correct
76 Correct 1 ms 4444 KB Output is correct
77 Correct 1 ms 4444 KB Output is correct
78 Correct 1 ms 4564 KB Output is correct
79 Correct 1 ms 4444 KB Output is correct
80 Correct 1 ms 4444 KB Output is correct
81 Correct 1 ms 4444 KB Output is correct
82 Correct 1 ms 4444 KB Output is correct
83 Correct 1 ms 4444 KB Output is correct
84 Correct 0 ms 4444 KB Output is correct
85 Correct 1 ms 4444 KB Output is correct
86 Correct 1 ms 4444 KB Output is correct
87 Correct 1 ms 4440 KB Output is correct
88 Correct 0 ms 4444 KB Output is correct
89 Correct 1 ms 4444 KB Output is correct
90 Correct 1 ms 4444 KB Output is correct
91 Correct 1 ms 4444 KB Output is correct
92 Correct 1 ms 4444 KB Output is correct
93 Correct 1 ms 4440 KB Output is correct
94 Correct 1 ms 4444 KB Output is correct
95 Correct 1 ms 4444 KB Output is correct
96 Correct 1 ms 4444 KB Output is correct
97 Correct 1 ms 4444 KB Output is correct
98 Correct 1 ms 4444 KB Output is correct
99 Correct 1 ms 4444 KB Output is correct
100 Correct 2 ms 4444 KB Output is correct
101 Correct 1 ms 4444 KB Output is correct
102 Correct 1 ms 4444 KB Output is correct
103 Correct 1 ms 4444 KB Output is correct
104 Correct 1 ms 4444 KB Output is correct
105 Correct 1 ms 4508 KB Output is correct
106 Correct 1 ms 4440 KB Output is correct
107 Correct 1 ms 4444 KB Output is correct
108 Correct 1 ms 2396 KB Output is correct
109 Correct 2 ms 4444 KB Output is correct
110 Correct 1 ms 4444 KB Output is correct
111 Correct 1 ms 4444 KB Output is correct
112 Correct 1 ms 4444 KB Output is correct
113 Correct 2 ms 4440 KB Output is correct
114 Correct 1 ms 4444 KB Output is correct
115 Correct 1 ms 4444 KB Output is correct
116 Correct 1 ms 4444 KB Output is correct
117 Correct 1 ms 4444 KB Output is correct
118 Correct 1 ms 4444 KB Output is correct
119 Correct 1 ms 4444 KB Output is correct
120 Correct 1 ms 4440 KB Output is correct
121 Correct 1 ms 4444 KB Output is correct
122 Correct 2 ms 4440 KB Output is correct
123 Correct 1 ms 4444 KB Output is correct
124 Correct 1 ms 4444 KB Output is correct
125 Correct 1 ms 4444 KB Output is correct
126 Correct 1 ms 4596 KB Output is correct
127 Correct 1 ms 4440 KB Output is correct
128 Correct 1 ms 4444 KB Output is correct
129 Correct 1 ms 4440 KB Output is correct
130 Correct 1 ms 4444 KB Output is correct
131 Correct 1 ms 4444 KB Output is correct
132 Correct 0 ms 4444 KB Output is correct
133 Correct 0 ms 4444 KB Output is correct
134 Correct 1 ms 4444 KB Output is correct
135 Correct 1 ms 4444 KB Output is correct
136 Correct 1 ms 4444 KB Output is correct
137 Correct 27 ms 6720 KB Output is correct
138 Correct 27 ms 6492 KB Output is correct
139 Correct 31 ms 6492 KB Output is correct
140 Correct 30 ms 6492 KB Output is correct
141 Correct 26 ms 6488 KB Output is correct
142 Correct 2 ms 4700 KB Output is correct
143 Correct 2 ms 4700 KB Output is correct
144 Correct 4 ms 4700 KB Output is correct
145 Correct 4 ms 4700 KB Output is correct
146 Correct 5 ms 4700 KB Output is correct
147 Correct 6 ms 4696 KB Output is correct
148 Correct 1 ms 2396 KB Output is correct
149 Correct 52 ms 6652 KB Output is correct
150 Correct 37 ms 6492 KB Output is correct
151 Correct 27 ms 6632 KB Output is correct
152 Correct 30 ms 6488 KB Output is correct
153 Correct 32 ms 6592 KB Output is correct
154 Correct 28 ms 6640 KB Output is correct
155 Correct 26 ms 6720 KB Output is correct
156 Correct 27 ms 6432 KB Output is correct
157 Correct 29 ms 6440 KB Output is correct
158 Correct 30 ms 6384 KB Output is correct
159 Correct 28 ms 6344 KB Output is correct
160 Correct 30 ms 6440 KB Output is correct
161 Correct 26 ms 6204 KB Output is correct
162 Correct 31 ms 6232 KB Output is correct
163 Correct 24 ms 6348 KB Output is correct
164 Correct 23 ms 6208 KB Output is correct
165 Correct 30 ms 6112 KB Output is correct
166 Correct 32 ms 6188 KB Output is correct
167 Correct 27 ms 6204 KB Output is correct
168 Correct 23 ms 6176 KB Output is correct
169 Correct 23 ms 6104 KB Output is correct
170 Correct 21 ms 6204 KB Output is correct
171 Correct 1 ms 4444 KB Output is correct
172 Correct 1 ms 4444 KB Output is correct
173 Correct 1 ms 4444 KB Output is correct