oj.uz

Submission #435711

# Submission time Handle Problem Language Result Execution time Memory
435711 2021-06-23T15:30:38 Z Mazaalai Fountain Parks (IOI21_parks) C++17
100 / 100
 618 ms 55572 KB 
#include <bits/stdc++.h>
#include "parks.h"
using namespace std;

// vector <int> a1, b1, c1, d1;
// void build(vector <int> a, vector <int> b, vector <int> c, vector <int> d) {
//     a1 = a;
//     b1 = b;
//     c1 = c;
//     d1 = d;
// }
const int N = 2e5 + 5;
int n;
vector <vector <int> > pos;
vector <int> a2, b2, c2, d2, par(N);
map <pair <int, int> , int> fIdx;
set <pair <int, int> > used;
int find(int a) {
    if (par[a] == a) return a;
    return par[a] = find(par[a]);   
}
int merged = 0;
bool merge(int a, int b) {
    a = find(a), b = find(b);
    if (a == b) return 0;
    par[b] = a;
    merged++;
    return 1;
}
void connect(pair <int, int> pt, int i, int j) {
    if (used.count(pt)) return;
    used.insert(pt);
    merge(i, j);
    a2.push_back(i);
    b2.push_back(j);
    c2.push_back(pt.first);
    d2.push_back(pt.second);
}
void xEdge(int x, int y) {
    int X = x+1, Y = y + ((x+y)& 2 ? 1 : -1);
    connect({X, Y}, fIdx[{x, y}], fIdx[{x+2, y}]);
}
void yEdge(int x, int y) {
    int X = x + ((x+y)& 2 ? -1 : 1), Y = y+1;
    connect({X, Y}, fIdx[{x, y}], fIdx[{x, y+2}]);
}
bool custom(vector<int>&a, vector<int>&b) {
    return a < b;
}
int construct_roads(vector<int> X, vector<int> Y) {
    n = X.size();
    for (int i = 0; i < n; i++) 
        pos.push_back({X[i], Y[i], i});
    for (int i = 0; i < N; i++) par[i] = i;
    sort(pos.begin(), pos.end(), custom);
    for (int i = 0; i < n; i++) {
        int id = pos[i][2];
        pair <int, int> cur = {pos[i][0], pos[i][1]};
        // cout << id << " " << cur.first << ' ' << cur.second << '\n';
        fIdx[cur] = id;
        if (fIdx.count({cur.first-2, cur.second})) xEdge(cur.first-2, cur.second);
        if (fIdx.count({cur.first, cur.second-2})) yEdge(cur.first, cur.second-2);
    }
    // cout << "\n";
    int source = find(0);
    // for (int i = 0; i < n; i++) {
    //     cout << i << ' ' << find(i) << '\n';
    // }
    if (merged != n-1) return 0;
    build(a2, b2, c2, d2);
    return 1;
}

// int main() {
//     int n, a, b;
//     freopen("in.txt", "r", stdin);
//     cin >> n;
//     vector <int> x, y;
//     for (int i = 0; i < n; i++) {
//         cin >> a >> b;
//         x.push_back(a);
//         y.push_back(b);
//     }
//     int val = construct_roads(x, y);
//     cout << val << '\n';
//     cout << a1.size() << '\n';
//     for (int i = 0; i < a1.size(); i++) {
//         cout << a1[i] << ' ' << b1[i] << ' ' << c1[i] << ' ' << d1[i] << '\n';
//     }
// }

Compilation message

parks.cpp: In function 'int construct_roads(std::vector<int>, std::vector<int>)':
parks.cpp:65:9: warning: unused variable 'source' [-Wunused-variable]
   65 |     int source = find(0);
      |         ^~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 2 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 2 ms 972 KB Output is correct
6 Correct 2 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 282 ms 25092 KB Output is correct
10 Correct 16 ms 3464 KB Output is correct
11 Correct 124 ms 13980 KB Output is correct
12 Correct 25 ms 4736 KB Output is correct
13 Correct 65 ms 9764 KB Output is correct
14 Correct 2 ms 1228 KB Output is correct
15 Correct 3 ms 1484 KB Output is correct
16 Correct 235 ms 25128 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 2 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 2 ms 972 KB Output is correct
6 Correct 2 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 282 ms 25092 KB Output is correct
10 Correct 16 ms 3464 KB Output is correct
11 Correct 124 ms 13980 KB Output is correct
12 Correct 25 ms 4736 KB Output is correct
13 Correct 65 ms 9764 KB Output is correct
14 Correct 2 ms 1228 KB Output is correct
15 Correct 3 ms 1484 KB Output is correct
16 Correct 235 ms 25128 KB Output is correct
17 Correct 1 ms 972 KB Output is correct
18 Correct 2 ms 972 KB Output is correct
19 Correct 1 ms 972 KB Output is correct
20 Correct 1 ms 972 KB Output is correct
21 Correct 1 ms 972 KB Output is correct
22 Correct 2 ms 972 KB Output is correct
23 Correct 580 ms 49440 KB Output is correct
24 Correct 2 ms 972 KB Output is correct
25 Correct 3 ms 1356 KB Output is correct
26 Correct 5 ms 1612 KB Output is correct
27 Correct 6 ms 1868 KB Output is correct
28 Correct 208 ms 20324 KB Output is correct
29 Correct 292 ms 29916 KB Output is correct
30 Correct 412 ms 39864 KB Output is correct
31 Correct 532 ms 49352 KB Output is correct
32 Correct 1 ms 972 KB Output is correct
33 Correct 1 ms 972 KB Output is correct
34 Correct 1 ms 972 KB Output is correct
35 Correct 1 ms 972 KB Output is correct
36 Correct 1 ms 972 KB Output is correct
37 Correct 1 ms 972 KB Output is correct
38 Correct 1 ms 972 KB Output is correct
39 Correct 1 ms 972 KB Output is correct
40 Correct 2 ms 972 KB Output is correct
41 Correct 1 ms 972 KB Output is correct
42 Correct 2 ms 972 KB Output is correct
43 Correct 4 ms 1484 KB Output is correct
44 Correct 5 ms 1628 KB Output is correct
45 Correct 196 ms 25172 KB Output is correct
46 Correct 395 ms 36312 KB Output is correct
47 Correct 307 ms 36572 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 2 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 2 ms 972 KB Output is correct
6 Correct 2 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 282 ms 25092 KB Output is correct
10 Correct 16 ms 3464 KB Output is correct
11 Correct 124 ms 13980 KB Output is correct
12 Correct 25 ms 4736 KB Output is correct
13 Correct 65 ms 9764 KB Output is correct
14 Correct 2 ms 1228 KB Output is correct
15 Correct 3 ms 1484 KB Output is correct
16 Correct 235 ms 25128 KB Output is correct
17 Correct 1 ms 972 KB Output is correct
18 Correct 2 ms 972 KB Output is correct
19 Correct 1 ms 972 KB Output is correct
20 Correct 1 ms 972 KB Output is correct
21 Correct 1 ms 972 KB Output is correct
22 Correct 2 ms 972 KB Output is correct
23 Correct 580 ms 49440 KB Output is correct
24 Correct 2 ms 972 KB Output is correct
25 Correct 3 ms 1356 KB Output is correct
26 Correct 5 ms 1612 KB Output is correct
27 Correct 6 ms 1868 KB Output is correct
28 Correct 208 ms 20324 KB Output is correct
29 Correct 292 ms 29916 KB Output is correct
30 Correct 412 ms 39864 KB Output is correct
31 Correct 532 ms 49352 KB Output is correct
32 Correct 1 ms 972 KB Output is correct
33 Correct 1 ms 972 KB Output is correct
34 Correct 1 ms 972 KB Output is correct
35 Correct 1 ms 972 KB Output is correct
36 Correct 1 ms 972 KB Output is correct
37 Correct 1 ms 972 KB Output is correct
38 Correct 1 ms 972 KB Output is correct
39 Correct 1 ms 972 KB Output is correct
40 Correct 2 ms 972 KB Output is correct
41 Correct 1 ms 972 KB Output is correct
42 Correct 2 ms 972 KB Output is correct
43 Correct 4 ms 1484 KB Output is correct
44 Correct 5 ms 1628 KB Output is correct
45 Correct 196 ms 25172 KB Output is correct
46 Correct 395 ms 36312 KB Output is correct
47 Correct 307 ms 36572 KB Output is correct
48 Correct 1 ms 972 KB Output is correct
49 Correct 1 ms 972 KB Output is correct
50 Correct 1 ms 972 KB Output is correct
51 Correct 1 ms 972 KB Output is correct
52 Correct 1 ms 972 KB Output is correct
53 Correct 1 ms 972 KB Output is correct
54 Correct 1 ms 972 KB Output is correct
55 Correct 616 ms 49548 KB Output is correct
56 Correct 1 ms 972 KB Output is correct
57 Correct 5 ms 1484 KB Output is correct
58 Correct 15 ms 2508 KB Output is correct
59 Correct 14 ms 3092 KB Output is correct
60 Correct 296 ms 25068 KB Output is correct
61 Correct 336 ms 34616 KB Output is correct
62 Correct 420 ms 41168 KB Output is correct
63 Correct 567 ms 49400 KB Output is correct
64 Correct 2 ms 972 KB Output is correct
65 Correct 1 ms 1024 KB Output is correct
66 Correct 1 ms 972 KB Output is correct
67 Correct 509 ms 49420 KB Output is correct
68 Correct 516 ms 49376 KB Output is correct
69 Correct 502 ms 49356 KB Output is correct
70 Correct 6 ms 1920 KB Output is correct
71 Correct 11 ms 2572 KB Output is correct
72 Correct 199 ms 25056 KB Output is correct
73 Correct 322 ms 37580 KB Output is correct
74 Correct 456 ms 49484 KB Output is correct
75 Correct 574 ms 53860 KB Output is correct
76 Correct 496 ms 49364 KB Output is correct
77 Correct 8 ms 2124 KB Output is correct
78 Correct 12 ms 2952 KB Output is correct
79 Correct 203 ms 26168 KB Output is correct
80 Correct 337 ms 39376 KB Output is correct
81 Correct 495 ms 51844 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 2 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 2 ms 972 KB Output is correct
6 Correct 2 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 282 ms 25092 KB Output is correct
10 Correct 16 ms 3464 KB Output is correct
11 Correct 124 ms 13980 KB Output is correct
12 Correct 25 ms 4736 KB Output is correct
13 Correct 65 ms 9764 KB Output is correct
14 Correct 2 ms 1228 KB Output is correct
15 Correct 3 ms 1484 KB Output is correct
16 Correct 235 ms 25128 KB Output is correct
17 Correct 1 ms 1040 KB Output is correct
18 Correct 1 ms 972 KB Output is correct
19 Correct 1 ms 972 KB Output is correct
20 Correct 456 ms 50268 KB Output is correct
21 Correct 458 ms 50012 KB Output is correct
22 Correct 465 ms 50260 KB Output is correct
23 Correct 402 ms 42656 KB Output is correct
24 Correct 262 ms 27632 KB Output is correct
25 Correct 403 ms 40444 KB Output is correct
26 Correct 341 ms 40364 KB Output is correct
27 Correct 475 ms 49284 KB Output is correct
28 Correct 460 ms 49348 KB Output is correct
29 Correct 597 ms 49360 KB Output is correct
30 Correct 492 ms 49348 KB Output is correct
31 Correct 1 ms 972 KB Output is correct
32 Correct 25 ms 4548 KB Output is correct
33 Correct 103 ms 14332 KB Output is correct
34 Correct 463 ms 50388 KB Output is correct
35 Correct 21 ms 2960 KB Output is correct
36 Correct 76 ms 10868 KB Output is correct
37 Correct 204 ms 20728 KB Output is correct
38 Correct 159 ms 20880 KB Output is correct
39 Correct 237 ms 27972 KB Output is correct
40 Correct 300 ms 35824 KB Output is correct
41 Correct 377 ms 43104 KB Output is correct
42 Correct 462 ms 50464 KB Output is correct
43 Correct 1 ms 972 KB Output is correct
44 Correct 1 ms 972 KB Output is correct
45 Correct 1 ms 972 KB Output is correct
46 Correct 1 ms 972 KB Output is correct
47 Correct 1 ms 972 KB Output is correct
48 Correct 2 ms 972 KB Output is correct
49 Correct 1 ms 972 KB Output is correct
50 Correct 1 ms 972 KB Output is correct
51 Correct 2 ms 972 KB Output is correct
52 Correct 1 ms 972 KB Output is correct
53 Correct 1 ms 972 KB Output is correct
54 Correct 3 ms 1372 KB Output is correct
55 Correct 5 ms 1612 KB Output is correct
56 Correct 251 ms 25132 KB Output is correct
57 Correct 324 ms 36420 KB Output is correct
58 Correct 301 ms 36344 KB Output is correct
59 Correct 1 ms 972 KB Output is correct
60 Correct 1 ms 972 KB Output is correct
61 Correct 1 ms 972 KB Output is correct
62 Correct 509 ms 49448 KB Output is correct
63 Correct 522 ms 49508 KB Output is correct
64 Correct 523 ms 49124 KB Output is correct
65 Correct 6 ms 1868 KB Output is correct
66 Correct 11 ms 2648 KB Output is correct
67 Correct 197 ms 25076 KB Output is correct
68 Correct 321 ms 37704 KB Output is correct
69 Correct 472 ms 49576 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 2 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 2 ms 972 KB Output is correct
6 Correct 2 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 282 ms 25092 KB Output is correct
10 Correct 16 ms 3464 KB Output is correct
11 Correct 124 ms 13980 KB Output is correct
12 Correct 25 ms 4736 KB Output is correct
13 Correct 65 ms 9764 KB Output is correct
14 Correct 2 ms 1228 KB Output is correct
15 Correct 3 ms 1484 KB Output is correct
16 Correct 235 ms 25128 KB Output is correct
17 Correct 519 ms 49824 KB Output is correct
18 Correct 482 ms 49956 KB Output is correct
19 Correct 467 ms 50368 KB Output is correct
20 Correct 499 ms 55572 KB Output is correct
21 Correct 495 ms 45728 KB Output is correct
22 Correct 1 ms 972 KB Output is correct
23 Correct 60 ms 9376 KB Output is correct
24 Correct 42 ms 5164 KB Output is correct
25 Correct 128 ms 15828 KB Output is correct
26 Correct 213 ms 26352 KB Output is correct
27 Correct 227 ms 27816 KB Output is correct
28 Correct 274 ms 35196 KB Output is correct
29 Correct 360 ms 41816 KB Output is correct
30 Correct 402 ms 48044 KB Output is correct
31 Correct 503 ms 54960 KB Output is correct
32 Correct 618 ms 53912 KB Output is correct
33 Correct 506 ms 49456 KB Output is correct
34 Correct 8 ms 2124 KB Output is correct
35 Correct 13 ms 2880 KB Output is correct
36 Correct 199 ms 26228 KB Output is correct
37 Correct 405 ms 39348 KB Output is correct
38 Correct 612 ms 51780 KB Output is correct

Subtask #6
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 2 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 2 ms 972 KB Output is correct
6 Correct 2 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 282 ms 25092 KB Output is correct
10 Correct 16 ms 3464 KB Output is correct
11 Correct 124 ms 13980 KB Output is correct
12 Correct 25 ms 4736 KB Output is correct
13 Correct 65 ms 9764 KB Output is correct
14 Correct 2 ms 1228 KB Output is correct
15 Correct 3 ms 1484 KB Output is correct
16 Correct 235 ms 25128 KB Output is correct
17 Correct 1 ms 972 KB Output is correct
18 Correct 2 ms 972 KB Output is correct
19 Correct 1 ms 972 KB Output is correct
20 Correct 1 ms 972 KB Output is correct
21 Correct 1 ms 972 KB Output is correct
22 Correct 2 ms 972 KB Output is correct
23 Correct 580 ms 49440 KB Output is correct
24 Correct 2 ms 972 KB Output is correct
25 Correct 3 ms 1356 KB Output is correct
26 Correct 5 ms 1612 KB Output is correct
27 Correct 6 ms 1868 KB Output is correct
28 Correct 208 ms 20324 KB Output is correct
29 Correct 292 ms 29916 KB Output is correct
30 Correct 412 ms 39864 KB Output is correct
31 Correct 532 ms 49352 KB Output is correct
32 Correct 1 ms 972 KB Output is correct
33 Correct 1 ms 972 KB Output is correct
34 Correct 1 ms 972 KB Output is correct
35 Correct 1 ms 972 KB Output is correct
36 Correct 1 ms 972 KB Output is correct
37 Correct 1 ms 972 KB Output is correct
38 Correct 1 ms 972 KB Output is correct
39 Correct 1 ms 972 KB Output is correct
40 Correct 2 ms 972 KB Output is correct
41 Correct 1 ms 972 KB Output is correct
42 Correct 2 ms 972 KB Output is correct
43 Correct 4 ms 1484 KB Output is correct
44 Correct 5 ms 1628 KB Output is correct
45 Correct 196 ms 25172 KB Output is correct
46 Correct 395 ms 36312 KB Output is correct
47 Correct 307 ms 36572 KB Output is correct
48 Correct 1 ms 972 KB Output is correct
49 Correct 1 ms 972 KB Output is correct
50 Correct 1 ms 972 KB Output is correct
51 Correct 1 ms 972 KB Output is correct
52 Correct 1 ms 972 KB Output is correct
53 Correct 1 ms 972 KB Output is correct
54 Correct 1 ms 972 KB Output is correct
55 Correct 616 ms 49548 KB Output is correct
56 Correct 1 ms 972 KB Output is correct
57 Correct 5 ms 1484 KB Output is correct
58 Correct 15 ms 2508 KB Output is correct
59 Correct 14 ms 3092 KB Output is correct
60 Correct 296 ms 25068 KB Output is correct
61 Correct 336 ms 34616 KB Output is correct
62 Correct 420 ms 41168 KB Output is correct
63 Correct 567 ms 49400 KB Output is correct
64 Correct 2 ms 972 KB Output is correct
65 Correct 1 ms 1024 KB Output is correct
66 Correct 1 ms 972 KB Output is correct
67 Correct 509 ms 49420 KB Output is correct
68 Correct 516 ms 49376 KB Output is correct
69 Correct 502 ms 49356 KB Output is correct
70 Correct 6 ms 1920 KB Output is correct
71 Correct 11 ms 2572 KB Output is correct
72 Correct 199 ms 25056 KB Output is correct
73 Correct 322 ms 37580 KB Output is correct
74 Correct 456 ms 49484 KB Output is correct
75 Correct 574 ms 53860 KB Output is correct
76 Correct 496 ms 49364 KB Output is correct
77 Correct 8 ms 2124 KB Output is correct
78 Correct 12 ms 2952 KB Output is correct
79 Correct 203 ms 26168 KB Output is correct
80 Correct 337 ms 39376 KB Output is correct
81 Correct 495 ms 51844 KB Output is correct
82 Correct 1 ms 1040 KB Output is correct
83 Correct 1 ms 972 KB Output is correct
84 Correct 1 ms 972 KB Output is correct
85 Correct 456 ms 50268 KB Output is correct
86 Correct 458 ms 50012 KB Output is correct
87 Correct 465 ms 50260 KB Output is correct
88 Correct 402 ms 42656 KB Output is correct
89 Correct 262 ms 27632 KB Output is correct
90 Correct 403 ms 40444 KB Output is correct
91 Correct 341 ms 40364 KB Output is correct
92 Correct 475 ms 49284 KB Output is correct
93 Correct 460 ms 49348 KB Output is correct
94 Correct 597 ms 49360 KB Output is correct
95 Correct 492 ms 49348 KB Output is correct
96 Correct 1 ms 972 KB Output is correct
97 Correct 25 ms 4548 KB Output is correct
98 Correct 103 ms 14332 KB Output is correct
99 Correct 463 ms 50388 KB Output is correct
100 Correct 21 ms 2960 KB Output is correct
101 Correct 76 ms 10868 KB Output is correct
102 Correct 204 ms 20728 KB Output is correct
103 Correct 159 ms 20880 KB Output is correct
104 Correct 237 ms 27972 KB Output is correct
105 Correct 300 ms 35824 KB Output is correct
106 Correct 377 ms 43104 KB Output is correct
107 Correct 462 ms 50464 KB Output is correct
108 Correct 1 ms 972 KB Output is correct
109 Correct 1 ms 972 KB Output is correct
110 Correct 1 ms 972 KB Output is correct
111 Correct 1 ms 972 KB Output is correct
112 Correct 1 ms 972 KB Output is correct
113 Correct 2 ms 972 KB Output is correct
114 Correct 1 ms 972 KB Output is correct
115 Correct 1 ms 972 KB Output is correct
116 Correct 2 ms 972 KB Output is correct
117 Correct 1 ms 972 KB Output is correct
118 Correct 1 ms 972 KB Output is correct
119 Correct 3 ms 1372 KB Output is correct
120 Correct 5 ms 1612 KB Output is correct
121 Correct 251 ms 25132 KB Output is correct
122 Correct 324 ms 36420 KB Output is correct
123 Correct 301 ms 36344 KB Output is correct
124 Correct 1 ms 972 KB Output is correct
125 Correct 1 ms 972 KB Output is correct
126 Correct 1 ms 972 KB Output is correct
127 Correct 509 ms 49448 KB Output is correct
128 Correct 522 ms 49508 KB Output is correct
129 Correct 523 ms 49124 KB Output is correct
130 Correct 6 ms 1868 KB Output is correct
131 Correct 11 ms 2648 KB Output is correct
132 Correct 197 ms 25076 KB Output is correct
133 Correct 321 ms 37704 KB Output is correct
134 Correct 472 ms 49576 KB Output is correct
135 Correct 519 ms 49824 KB Output is correct
136 Correct 482 ms 49956 KB Output is correct
137 Correct 467 ms 50368 KB Output is correct
138 Correct 499 ms 55572 KB Output is correct
139 Correct 495 ms 45728 KB Output is correct
140 Correct 1 ms 972 KB Output is correct
141 Correct 60 ms 9376 KB Output is correct
142 Correct 42 ms 5164 KB Output is correct
143 Correct 128 ms 15828 KB Output is correct
144 Correct 213 ms 26352 KB Output is correct
145 Correct 227 ms 27816 KB Output is correct
146 Correct 274 ms 35196 KB Output is correct
147 Correct 360 ms 41816 KB Output is correct
148 Correct 402 ms 48044 KB Output is correct
149 Correct 503 ms 54960 KB Output is correct
150 Correct 618 ms 53912 KB Output is correct
151 Correct 506 ms 49456 KB Output is correct
152 Correct 8 ms 2124 KB Output is correct
153 Correct 13 ms 2880 KB Output is correct
154 Correct 199 ms 26228 KB Output is correct
155 Correct 405 ms 39348 KB Output is correct
156 Correct 612 ms 51780 KB Output is correct
157 Correct 2 ms 972 KB Output is correct
158 Correct 1 ms 972 KB Output is correct
159 Correct 2 ms 972 KB Output is correct
160 Correct 1 ms 972 KB Output is correct
161 Correct 589 ms 49696 KB Output is correct
162 Correct 486 ms 50252 KB Output is correct
163 Correct 485 ms 50248 KB Output is correct
164 Correct 478 ms 50244 KB Output is correct
165 Correct 605 ms 50052 KB Output is correct
166 Correct 597 ms 49820 KB Output is correct
167 Correct 101 ms 12752 KB Output is correct
168 Correct 53 ms 6904 KB Output is correct
169 Correct 153 ms 16900 KB Output is correct
170 Correct 295 ms 30956 KB Output is correct
171 Correct 423 ms 40480 KB Output is correct
172 Correct 231 ms 25696 KB Output is correct
173 Correct 278 ms 30408 KB Output is correct
174 Correct 326 ms 35800 KB Output is correct
175 Correct 403 ms 40472 KB Output is correct
176 Correct 466 ms 45668 KB Output is correct
177 Correct 529 ms 50372 KB Output is correct