oj.uz

답안 #558828

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
558828 2022-05-08T14:28:08 Z teraqqq 분수 공원 (IOI21_parks) C++17
100 / 100
 437 ms 30520 KB 
#include "parks.h"

#include <iostream>
#include <numeric>
#include <algorithm>
#include <utility>
#include <map>

#include <cassert>

using namespace std;
using vi = vector<int>;
using pi = pair<int, int>;

struct Dsu {
	vector<int> rnk, par;

	Dsu(int n) : rnk(n, 1), par(n) {
		iota(par.begin(), par.end(), 0);
	}

	int root(int v) {
		return v == par[v] ? v : par[v] = root(par[v]);
	}

	bool same(int a, int b) {
		return root(a) == root(b);
	}

	bool unite(int a, int b) {
		a = root(a), b = root(b);
		if (a == b) {
			return false;
		} else {
			if (rnk[a] < rnk[b]) swap(a, b);
			rnk[a] += rnk[b];
			par[b] = a;
			return true;
		}
	}
};


int construct_roads(std::vector<int> x, std::vector<int> y) {
    const int n = x.size();

    vector<int> p(n);
    iota(p.begin(), p.end(), 0);
    sort(p.begin(), p.end(), [&](int i, int j) {
        return make_pair(x[i], y[i]) < make_pair(x[j], y[j]);
    });

    map<pi, int> ord;
    for (int i = 0; i < n; ++i) {
        ord[{x[i], y[i]}] = i;
    }

    Dsu dsu(n);
    vi u, v, a, b;

    int edges = 0;

    auto get_id = [&](int x, int y) {
        if (!ord.count({x, y})) return -1;
        return ord[{x, y}];
    };

    auto get_chair = [&] (int x1, int y1, int x2, int y2) {
        if ((x1 + y1) % 4) swap(x1, x2), swap(y1, y2);
        const int x3 = x1 - (y2 - y1);
        const int y3 = y1 + (x2 - x1);
        return pi {(x2+x3)>>1, (y2+y3)>>1};
    };

    auto add_edge = [&](int x1, int y1, int x2, int y2) {
        if (!ord.count({x1, y1}) || !ord.count({x2, y2})) return;
        const int i = ord[{x1, y1}];
        const int j = ord[{x2, y2}];

        const auto [cx, cy] = get_chair(x1, y1, x2, y2);

        if (dsu.unite(i, j)) {
            u.push_back(i);
            v.push_back(j);
            a.push_back(cx);
            b.push_back(cy);
            edges++;
        }
    };

    for (int i : p) {
        const int px = x[i], py = y[i];

        if (get_id(px-2, py-2) != -1 && get_id(px-2, py) != -1 && get_id(px, py-2) != -1) {
            const auto [nx, ny] = get_chair(px, py, px-2, py);
            if (nx != px - 1 || ny != py - 1) {
                add_edge(px, py, px-2, py);
            } else {
                add_edge(px, py, px, py-2);
            }
        } else {
            add_edge(px, py, px, py-2);
            add_edge(px, py, px-2, py);
        }
    }

    if (edges == n - 1) {
        build(u, v, a, b);
        return 1;
    } else {
        return 0;
    }
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 155 ms 14876 KB Output is correct
10 Correct 12 ms 1976 KB Output is correct
11 Correct 72 ms 8232 KB Output is correct
12 Correct 17 ms 2740 KB Output is correct
13 Correct 45 ms 5492 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 3 ms 468 KB Output is correct
16 Correct 156 ms 14896 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 155 ms 14876 KB Output is correct
10 Correct 12 ms 1976 KB Output is correct
11 Correct 72 ms 8232 KB Output is correct
12 Correct 17 ms 2740 KB Output is correct
13 Correct 45 ms 5492 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 3 ms 468 KB Output is correct
16 Correct 156 ms 14896 KB Output is correct
17 Correct 1 ms 212 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 304 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 386 ms 29424 KB Output is correct
24 Correct 1 ms 304 KB Output is correct
25 Correct 2 ms 468 KB Output is correct
26 Correct 3 ms 568 KB Output is correct
27 Correct 4 ms 724 KB Output is correct
28 Correct 126 ms 12044 KB Output is correct
29 Correct 207 ms 18004 KB Output is correct
30 Correct 308 ms 23664 KB Output is correct
31 Correct 406 ms 29496 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 2 ms 468 KB Output is correct
44 Correct 4 ms 596 KB Output is correct
45 Correct 161 ms 15000 KB Output is correct
46 Correct 271 ms 21548 KB Output is correct
47 Correct 245 ms 21596 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 155 ms 14876 KB Output is correct
10 Correct 12 ms 1976 KB Output is correct
11 Correct 72 ms 8232 KB Output is correct
12 Correct 17 ms 2740 KB Output is correct
13 Correct 45 ms 5492 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 3 ms 468 KB Output is correct
16 Correct 156 ms 14896 KB Output is correct
17 Correct 1 ms 212 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 304 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 386 ms 29424 KB Output is correct
24 Correct 1 ms 304 KB Output is correct
25 Correct 2 ms 468 KB Output is correct
26 Correct 3 ms 568 KB Output is correct
27 Correct 4 ms 724 KB Output is correct
28 Correct 126 ms 12044 KB Output is correct
29 Correct 207 ms 18004 KB Output is correct
30 Correct 308 ms 23664 KB Output is correct
31 Correct 406 ms 29496 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 2 ms 468 KB Output is correct
44 Correct 4 ms 596 KB Output is correct
45 Correct 161 ms 15000 KB Output is correct
46 Correct 271 ms 21548 KB Output is correct
47 Correct 245 ms 21596 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 0 ms 304 KB Output is correct
51 Correct 1 ms 304 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 393 ms 29448 KB Output is correct
56 Correct 1 ms 212 KB Output is correct
57 Correct 3 ms 596 KB Output is correct
58 Correct 11 ms 1232 KB Output is correct
59 Correct 14 ms 1492 KB Output is correct
60 Correct 178 ms 14816 KB Output is correct
61 Correct 231 ms 19972 KB Output is correct
62 Correct 313 ms 24616 KB Output is correct
63 Correct 423 ms 29480 KB Output is correct
64 Correct 1 ms 212 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 0 ms 212 KB Output is correct
67 Correct 341 ms 29492 KB Output is correct
68 Correct 362 ms 29516 KB Output is correct
69 Correct 344 ms 29460 KB Output is correct
70 Correct 5 ms 724 KB Output is correct
71 Correct 12 ms 1192 KB Output is correct
72 Correct 173 ms 14852 KB Output is correct
73 Correct 261 ms 22256 KB Output is correct
74 Correct 422 ms 29476 KB Output is correct
75 Correct 411 ms 29372 KB Output is correct
76 Correct 400 ms 29476 KB Output is correct
77 Correct 5 ms 852 KB Output is correct
78 Correct 12 ms 1372 KB Output is correct
79 Correct 173 ms 14880 KB Output is correct
80 Correct 275 ms 22272 KB Output is correct
81 Correct 404 ms 29476 KB Output is correct

Subtask #4
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 155 ms 14876 KB Output is correct
10 Correct 12 ms 1976 KB Output is correct
11 Correct 72 ms 8232 KB Output is correct
12 Correct 17 ms 2740 KB Output is correct
13 Correct 45 ms 5492 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 3 ms 468 KB Output is correct
16 Correct 156 ms 14896 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 304 KB Output is correct
19 Correct 1 ms 300 KB Output is correct
20 Correct 365 ms 30380 KB Output is correct
21 Correct 431 ms 30120 KB Output is correct
22 Correct 353 ms 30104 KB Output is correct
23 Correct 299 ms 25496 KB Output is correct
24 Correct 241 ms 20028 KB Output is correct
25 Correct 317 ms 23088 KB Output is correct
26 Correct 322 ms 23100 KB Output is correct
27 Correct 369 ms 29464 KB Output is correct
28 Correct 349 ms 29420 KB Output is correct
29 Correct 384 ms 29472 KB Output is correct
30 Correct 437 ms 29476 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 21 ms 2760 KB Output is correct
33 Correct 111 ms 10564 KB Output is correct
34 Correct 426 ms 30352 KB Output is correct
35 Correct 11 ms 1620 KB Output is correct
36 Correct 66 ms 6320 KB Output is correct
37 Correct 144 ms 12260 KB Output is correct
38 Correct 138 ms 12508 KB Output is correct
39 Correct 206 ms 16868 KB Output is correct
40 Correct 268 ms 21308 KB Output is correct
41 Correct 360 ms 25864 KB Output is correct
42 Correct 436 ms 30408 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 304 KB Output is correct
45 Correct 1 ms 308 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 300 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 2 ms 468 KB Output is correct
55 Correct 4 ms 608 KB Output is correct
56 Correct 179 ms 14900 KB Output is correct
57 Correct 267 ms 21468 KB Output is correct
58 Correct 290 ms 21424 KB Output is correct
59 Correct 1 ms 212 KB Output is correct
60 Correct 1 ms 212 KB Output is correct
61 Correct 1 ms 212 KB Output is correct
62 Correct 396 ms 29584 KB Output is correct
63 Correct 360 ms 29456 KB Output is correct
64 Correct 335 ms 29328 KB Output is correct
65 Correct 5 ms 724 KB Output is correct
66 Correct 9 ms 1208 KB Output is correct
67 Correct 175 ms 14880 KB Output is correct
68 Correct 265 ms 22312 KB Output is correct
69 Correct 430 ms 29524 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 155 ms 14876 KB Output is correct
10 Correct 12 ms 1976 KB Output is correct
11 Correct 72 ms 8232 KB Output is correct
12 Correct 17 ms 2740 KB Output is correct
13 Correct 45 ms 5492 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 3 ms 468 KB Output is correct
16 Correct 156 ms 14896 KB Output is correct
17 Correct 371 ms 29852 KB Output is correct
18 Correct 363 ms 30008 KB Output is correct
19 Correct 384 ms 30096 KB Output is correct
20 Correct 380 ms 28708 KB Output is correct
21 Correct 314 ms 25940 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 48 ms 5336 KB Output is correct
24 Correct 25 ms 2912 KB Output is correct
25 Correct 106 ms 8888 KB Output is correct
26 Correct 191 ms 14500 KB Output is correct
27 Correct 170 ms 15488 KB Output is correct
28 Correct 239 ms 19308 KB Output is correct
29 Correct 274 ms 23076 KB Output is correct
30 Correct 367 ms 26532 KB Output is correct
31 Correct 395 ms 30492 KB Output is correct
32 Correct 373 ms 29584 KB Output is correct
33 Correct 343 ms 29420 KB Output is correct
34 Correct 7 ms 852 KB Output is correct
35 Correct 13 ms 1468 KB Output is correct
36 Correct 157 ms 14804 KB Output is correct
37 Correct 282 ms 22296 KB Output is correct
38 Correct 432 ms 29476 KB Output is correct

Subtask #6
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 155 ms 14876 KB Output is correct
10 Correct 12 ms 1976 KB Output is correct
11 Correct 72 ms 8232 KB Output is correct
12 Correct 17 ms 2740 KB Output is correct
13 Correct 45 ms 5492 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 3 ms 468 KB Output is correct
16 Correct 156 ms 14896 KB Output is correct
17 Correct 1 ms 212 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 304 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 386 ms 29424 KB Output is correct
24 Correct 1 ms 304 KB Output is correct
25 Correct 2 ms 468 KB Output is correct
26 Correct 3 ms 568 KB Output is correct
27 Correct 4 ms 724 KB Output is correct
28 Correct 126 ms 12044 KB Output is correct
29 Correct 207 ms 18004 KB Output is correct
30 Correct 308 ms 23664 KB Output is correct
31 Correct 406 ms 29496 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 2 ms 468 KB Output is correct
44 Correct 4 ms 596 KB Output is correct
45 Correct 161 ms 15000 KB Output is correct
46 Correct 271 ms 21548 KB Output is correct
47 Correct 245 ms 21596 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 0 ms 304 KB Output is correct
51 Correct 1 ms 304 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 393 ms 29448 KB Output is correct
56 Correct 1 ms 212 KB Output is correct
57 Correct 3 ms 596 KB Output is correct
58 Correct 11 ms 1232 KB Output is correct
59 Correct 14 ms 1492 KB Output is correct
60 Correct 178 ms 14816 KB Output is correct
61 Correct 231 ms 19972 KB Output is correct
62 Correct 313 ms 24616 KB Output is correct
63 Correct 423 ms 29480 KB Output is correct
64 Correct 1 ms 212 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 0 ms 212 KB Output is correct
67 Correct 341 ms 29492 KB Output is correct
68 Correct 362 ms 29516 KB Output is correct
69 Correct 344 ms 29460 KB Output is correct
70 Correct 5 ms 724 KB Output is correct
71 Correct 12 ms 1192 KB Output is correct
72 Correct 173 ms 14852 KB Output is correct
73 Correct 261 ms 22256 KB Output is correct
74 Correct 422 ms 29476 KB Output is correct
75 Correct 411 ms 29372 KB Output is correct
76 Correct 400 ms 29476 KB Output is correct
77 Correct 5 ms 852 KB Output is correct
78 Correct 12 ms 1372 KB Output is correct
79 Correct 173 ms 14880 KB Output is correct
80 Correct 275 ms 22272 KB Output is correct
81 Correct 404 ms 29476 KB Output is correct
82 Correct 0 ms 212 KB Output is correct
83 Correct 1 ms 304 KB Output is correct
84 Correct 1 ms 300 KB Output is correct
85 Correct 365 ms 30380 KB Output is correct
86 Correct 431 ms 30120 KB Output is correct
87 Correct 353 ms 30104 KB Output is correct
88 Correct 299 ms 25496 KB Output is correct
89 Correct 241 ms 20028 KB Output is correct
90 Correct 317 ms 23088 KB Output is correct
91 Correct 322 ms 23100 KB Output is correct
92 Correct 369 ms 29464 KB Output is correct
93 Correct 349 ms 29420 KB Output is correct
94 Correct 384 ms 29472 KB Output is correct
95 Correct 437 ms 29476 KB Output is correct
96 Correct 1 ms 212 KB Output is correct
97 Correct 21 ms 2760 KB Output is correct
98 Correct 111 ms 10564 KB Output is correct
99 Correct 426 ms 30352 KB Output is correct
100 Correct 11 ms 1620 KB Output is correct
101 Correct 66 ms 6320 KB Output is correct
102 Correct 144 ms 12260 KB Output is correct
103 Correct 138 ms 12508 KB Output is correct
104 Correct 206 ms 16868 KB Output is correct
105 Correct 268 ms 21308 KB Output is correct
106 Correct 360 ms 25864 KB Output is correct
107 Correct 436 ms 30408 KB Output is correct
108 Correct 1 ms 212 KB Output is correct
109 Correct 1 ms 304 KB Output is correct
110 Correct 1 ms 308 KB Output is correct
111 Correct 1 ms 212 KB Output is correct
112 Correct 1 ms 212 KB Output is correct
113 Correct 1 ms 212 KB Output is correct
114 Correct 1 ms 300 KB Output is correct
115 Correct 1 ms 212 KB Output is correct
116 Correct 1 ms 212 KB Output is correct
117 Correct 1 ms 212 KB Output is correct
118 Correct 1 ms 212 KB Output is correct
119 Correct 2 ms 468 KB Output is correct
120 Correct 4 ms 608 KB Output is correct
121 Correct 179 ms 14900 KB Output is correct
122 Correct 267 ms 21468 KB Output is correct
123 Correct 290 ms 21424 KB Output is correct
124 Correct 1 ms 212 KB Output is correct
125 Correct 1 ms 212 KB Output is correct
126 Correct 1 ms 212 KB Output is correct
127 Correct 396 ms 29584 KB Output is correct
128 Correct 360 ms 29456 KB Output is correct
129 Correct 335 ms 29328 KB Output is correct
130 Correct 5 ms 724 KB Output is correct
131 Correct 9 ms 1208 KB Output is correct
132 Correct 175 ms 14880 KB Output is correct
133 Correct 265 ms 22312 KB Output is correct
134 Correct 430 ms 29524 KB Output is correct
135 Correct 371 ms 29852 KB Output is correct
136 Correct 363 ms 30008 KB Output is correct
137 Correct 384 ms 30096 KB Output is correct
138 Correct 380 ms 28708 KB Output is correct
139 Correct 314 ms 25940 KB Output is correct
140 Correct 1 ms 212 KB Output is correct
141 Correct 48 ms 5336 KB Output is correct
142 Correct 25 ms 2912 KB Output is correct
143 Correct 106 ms 8888 KB Output is correct
144 Correct 191 ms 14500 KB Output is correct
145 Correct 170 ms 15488 KB Output is correct
146 Correct 239 ms 19308 KB Output is correct
147 Correct 274 ms 23076 KB Output is correct
148 Correct 367 ms 26532 KB Output is correct
149 Correct 395 ms 30492 KB Output is correct
150 Correct 373 ms 29584 KB Output is correct
151 Correct 343 ms 29420 KB Output is correct
152 Correct 7 ms 852 KB Output is correct
153 Correct 13 ms 1468 KB Output is correct
154 Correct 157 ms 14804 KB Output is correct
155 Correct 282 ms 22296 KB Output is correct
156 Correct 432 ms 29476 KB Output is correct
157 Correct 1 ms 340 KB Output is correct
158 Correct 1 ms 212 KB Output is correct
159 Correct 1 ms 212 KB Output is correct
160 Correct 1 ms 212 KB Output is correct
161 Correct 426 ms 29976 KB Output is correct
162 Correct 434 ms 30520 KB Output is correct
163 Correct 413 ms 30296 KB Output is correct
164 Correct 435 ms 30216 KB Output is correct
165 Correct 430 ms 30100 KB Output is correct
166 Correct 434 ms 29860 KB Output is correct
167 Correct 85 ms 7396 KB Output is correct
168 Correct 43 ms 4132 KB Output is correct
169 Correct 116 ms 10004 KB Output is correct
170 Correct 240 ms 18356 KB Output is correct
171 Correct 375 ms 23996 KB Output is correct
172 Correct 180 ms 15400 KB Output is correct
173 Correct 243 ms 18352 KB Output is correct
174 Correct 264 ms 21348 KB Output is correct
175 Correct 322 ms 24228 KB Output is correct
176 Correct 390 ms 27336 KB Output is correct
177 Correct 426 ms 30376 KB Output is correct