oj.uz

Submission #826269

# Submission time Handle Problem Language Result Execution time Memory
826269 2023-08-15T11:50:10 Z loctildore Fountain Parks (IOI21_parks) C++17
70 / 100
 1285 ms 69520 KB 
#include "parks.h"
#include <bits/stdc++.h>
using namespace std;
// trans rights
#define ll long long
#define f first
#define s second
#define endl '\n'
#define all(x) begin(x), end(x)
int n;
vector<int> u, v, a, b;
map<pair<int, int>, int> mp;
set<pair<int, int>> done;

vector<pair<int, int>> dirs = {{0, 2}, {2, 0}, {0, -2}, {-2, 0}};
vector<pair<int, int>> bloc[2] = {{{-1, 1}, {1, 1}, {1, -1}, {-1, -1}}, {{1, 1}, {1, -1}, {-1, -1}, {-1, 1}}};

void dfs(int x, int y, int ldir = 0) {
    done.insert({x, y});
    for (int i = 0; i < 4; i++) {
        int ndir = (ldir + 3 + i) % 4;
        int nx = x + dirs[ndir].f;
        int ny = y + dirs[ndir].s;
        if (mp.find({nx, ny}) == mp.end()) continue;
        if (done.find({nx, ny}) != done.end()) continue;

        int tx = x + bloc[0][ndir].f;
        int ty = y + bloc[0][ndir].s;
        if (done.find({tx, ty}) == done.end()) {
            u.push_back(mp[{x, y}]);
            v.push_back(mp[{nx, ny}]);
            done.insert({tx, ty});
            a.push_back(tx);
            b.push_back(ty);
            dfs(nx, ny, ndir);
            continue;
        }

        tx = x + bloc[1][ndir].f;
        ty = y + bloc[1][ndir].s;
        if (done.find({tx, ty}) == done.end()) {
            u.push_back(mp[{x, y}]);
            v.push_back(mp[{nx, ny}]);
            done.insert({tx, ty});
            a.push_back(tx);
            b.push_back(ty);
            dfs(nx, ny, ndir);
        }
    }
}

int construct_roads(vector<int> xs, vector<int> ys) {
    srand(69);
    n = xs.size();
    for (int i = 0; i < n; i++) {
        mp[{xs[i], ys[i]}] = i;
    }
    int nxt = 0;
    for (int tst = 0; tst < 7; tst++) {
        dfs(xs[nxt], ys[nxt]);
        if (u.size() == n - 1) {
            build(u, v, a, b);
            return 1;
        }
        for (int i = 0; i < n; i++) {
            if (done.find({xs[i], ys[i]}) == done.end()) nxt = i;
        }
        done.clear();
        u.clear();
        v.clear();
        a.clear();
        b.clear();
    }
    return 0;
}

Compilation message

parks.cpp: In function 'int construct_roads(std::vector<int>, std::vector<int>)':
parks.cpp:61:22: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   61 |         if (u.size() == n - 1) {
      |             ~~~~~~~~~^~~~~~~~

Subtask #1
5.0 / 5.0

# 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 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 171 ms 33712 KB Output is correct
10 Correct 13 ms 3924 KB Output is correct
11 Correct 90 ms 18832 KB Output is correct
12 Correct 20 ms 5716 KB Output is correct
13 Correct 205 ms 10888 KB Output is correct
14 Correct 3 ms 468 KB Output is correct
15 Correct 3 ms 468 KB Output is correct
16 Correct 160 ms 28592 KB Output is correct

Subtask #2
10.0 / 10.0

# 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 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 171 ms 33712 KB Output is correct
10 Correct 13 ms 3924 KB Output is correct
11 Correct 90 ms 18832 KB Output is correct
12 Correct 20 ms 5716 KB Output is correct
13 Correct 205 ms 10888 KB Output is correct
14 Correct 3 ms 468 KB Output is correct
15 Correct 3 ms 468 KB Output is correct
16 Correct 160 ms 28592 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 432 ms 66392 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 2 ms 724 KB Output is correct
26 Correct 10 ms 888 KB Output is correct
27 Correct 6 ms 776 KB Output is correct
28 Correct 171 ms 27852 KB Output is correct
29 Correct 240 ms 41600 KB Output is correct
30 Correct 342 ms 55388 KB Output is correct
31 Correct 449 ms 64032 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 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 1 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 9 ms 596 KB Output is correct
44 Correct 5 ms 596 KB Output is correct
45 Correct 229 ms 29916 KB Output is correct
46 Correct 279 ms 43972 KB Output is correct
47 Correct 283 ms 43296 KB Output is correct

Subtask #3
15.0 / 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 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 171 ms 33712 KB Output is correct
10 Correct 13 ms 3924 KB Output is correct
11 Correct 90 ms 18832 KB Output is correct
12 Correct 20 ms 5716 KB Output is correct
13 Correct 205 ms 10888 KB Output is correct
14 Correct 3 ms 468 KB Output is correct
15 Correct 3 ms 468 KB Output is correct
16 Correct 160 ms 28592 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 432 ms 66392 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 2 ms 724 KB Output is correct
26 Correct 10 ms 888 KB Output is correct
27 Correct 6 ms 776 KB Output is correct
28 Correct 171 ms 27852 KB Output is correct
29 Correct 240 ms 41600 KB Output is correct
30 Correct 342 ms 55388 KB Output is correct
31 Correct 449 ms 64032 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 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 1 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 9 ms 596 KB Output is correct
44 Correct 5 ms 596 KB Output is correct
45 Correct 229 ms 29916 KB Output is correct
46 Correct 279 ms 43972 KB Output is correct
47 Correct 283 ms 43296 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 0 ms 292 KB Output is correct
53 Correct 0 ms 212 KB Output is correct
54 Correct 0 ms 212 KB Output is correct
55 Correct 515 ms 63256 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 3 ms 808 KB Output is correct
58 Correct 9 ms 2360 KB Output is correct
59 Correct 18 ms 1596 KB Output is correct
60 Correct 217 ms 34480 KB Output is correct
61 Correct 322 ms 44936 KB Output is correct
62 Correct 378 ms 51996 KB Output is correct
63 Correct 555 ms 66432 KB Output is correct
64 Correct 0 ms 212 KB Output is correct
65 Correct 0 ms 212 KB Output is correct
66 Correct 0 ms 212 KB Output is correct
67 Correct 396 ms 61920 KB Output is correct
68 Correct 368 ms 62364 KB Output is correct
69 Correct 414 ms 64740 KB Output is correct
70 Correct 17 ms 852 KB Output is correct
71 Correct 16 ms 1276 KB Output is correct
72 Correct 209 ms 26320 KB Output is correct
73 Correct 333 ms 42540 KB Output is correct
74 Correct 444 ms 52716 KB Output is correct
75 Correct 437 ms 64160 KB Output is correct
76 Correct 432 ms 69160 KB Output is correct
77 Correct 22 ms 1144 KB Output is correct
78 Correct 21 ms 1632 KB Output is correct
79 Correct 188 ms 27276 KB Output is correct
80 Correct 326 ms 41376 KB Output is correct
81 Correct 418 ms 55316 KB Output is correct

Subtask #4
20.0 / 20.0

# 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 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 171 ms 33712 KB Output is correct
10 Correct 13 ms 3924 KB Output is correct
11 Correct 90 ms 18832 KB Output is correct
12 Correct 20 ms 5716 KB Output is correct
13 Correct 205 ms 10888 KB Output is correct
14 Correct 3 ms 468 KB Output is correct
15 Correct 3 ms 468 KB Output is correct
16 Correct 160 ms 28592 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 445 ms 69028 KB Output is correct
21 Correct 417 ms 63988 KB Output is correct
22 Correct 439 ms 61168 KB Output is correct
23 Correct 349 ms 51168 KB Output is correct
24 Correct 103 ms 15820 KB Output is correct
25 Correct 196 ms 15948 KB Output is correct
26 Correct 147 ms 16036 KB Output is correct
27 Correct 318 ms 44304 KB Output is correct
28 Correct 313 ms 44292 KB Output is correct
29 Correct 484 ms 44340 KB Output is correct
30 Correct 471 ms 44240 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 24 ms 4516 KB Output is correct
33 Correct 52 ms 7992 KB Output is correct
34 Correct 380 ms 64980 KB Output is correct
35 Correct 50 ms 1660 KB Output is correct
36 Correct 116 ms 5324 KB Output is correct
37 Correct 135 ms 9308 KB Output is correct
38 Correct 149 ms 18172 KB Output is correct
39 Correct 202 ms 24580 KB Output is correct
40 Correct 279 ms 31272 KB Output is correct
41 Correct 330 ms 38008 KB Output is correct
42 Correct 411 ms 44712 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 0 ms 212 KB Output is correct
54 Correct 6 ms 596 KB Output is correct
55 Correct 5 ms 596 KB Output is correct
56 Correct 183 ms 29976 KB Output is correct
57 Correct 282 ms 44080 KB Output is correct
58 Correct 291 ms 43264 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 0 ms 212 KB Output is correct
61 Correct 0 ms 212 KB Output is correct
62 Correct 416 ms 61856 KB Output is correct
63 Correct 376 ms 62328 KB Output is correct
64 Correct 421 ms 64736 KB Output is correct
65 Correct 13 ms 852 KB Output is correct
66 Correct 20 ms 1276 KB Output is correct
67 Correct 181 ms 26284 KB Output is correct
68 Correct 318 ms 42516 KB Output is correct
69 Correct 488 ms 52768 KB Output is correct

Subtask #5
20.0 / 20.0

# 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 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 171 ms 33712 KB Output is correct
10 Correct 13 ms 3924 KB Output is correct
11 Correct 90 ms 18832 KB Output is correct
12 Correct 20 ms 5716 KB Output is correct
13 Correct 205 ms 10888 KB Output is correct
14 Correct 3 ms 468 KB Output is correct
15 Correct 3 ms 468 KB Output is correct
16 Correct 160 ms 28592 KB Output is correct
17 Correct 419 ms 69212 KB Output is correct
18 Correct 414 ms 66788 KB Output is correct
19 Correct 429 ms 69520 KB Output is correct
20 Correct 519 ms 59676 KB Output is correct
21 Correct 394 ms 50888 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 53 ms 8372 KB Output is correct
24 Correct 94 ms 3800 KB Output is correct
25 Correct 152 ms 8124 KB Output is correct
26 Correct 174 ms 11848 KB Output is correct
27 Correct 211 ms 30212 KB Output is correct
28 Correct 325 ms 38180 KB Output is correct
29 Correct 338 ms 45936 KB Output is correct
30 Correct 435 ms 53200 KB Output is correct
31 Correct 497 ms 61044 KB Output is correct
32 Correct 518 ms 64132 KB Output is correct
33 Correct 436 ms 69212 KB Output is correct
34 Correct 20 ms 1148 KB Output is correct
35 Correct 25 ms 1664 KB Output is correct
36 Correct 225 ms 27168 KB Output is correct
37 Correct 306 ms 41340 KB Output is correct
38 Correct 437 ms 55264 KB Output is correct

Subtask #6
0 / 30.0

# 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 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 171 ms 33712 KB Output is correct
10 Correct 13 ms 3924 KB Output is correct
11 Correct 90 ms 18832 KB Output is correct
12 Correct 20 ms 5716 KB Output is correct
13 Correct 205 ms 10888 KB Output is correct
14 Correct 3 ms 468 KB Output is correct
15 Correct 3 ms 468 KB Output is correct
16 Correct 160 ms 28592 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 432 ms 66392 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 2 ms 724 KB Output is correct
26 Correct 10 ms 888 KB Output is correct
27 Correct 6 ms 776 KB Output is correct
28 Correct 171 ms 27852 KB Output is correct
29 Correct 240 ms 41600 KB Output is correct
30 Correct 342 ms 55388 KB Output is correct
31 Correct 449 ms 64032 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 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 1 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 9 ms 596 KB Output is correct
44 Correct 5 ms 596 KB Output is correct
45 Correct 229 ms 29916 KB Output is correct
46 Correct 279 ms 43972 KB Output is correct
47 Correct 283 ms 43296 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 0 ms 292 KB Output is correct
53 Correct 0 ms 212 KB Output is correct
54 Correct 0 ms 212 KB Output is correct
55 Correct 515 ms 63256 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 3 ms 808 KB Output is correct
58 Correct 9 ms 2360 KB Output is correct
59 Correct 18 ms 1596 KB Output is correct
60 Correct 217 ms 34480 KB Output is correct
61 Correct 322 ms 44936 KB Output is correct
62 Correct 378 ms 51996 KB Output is correct
63 Correct 555 ms 66432 KB Output is correct
64 Correct 0 ms 212 KB Output is correct
65 Correct 0 ms 212 KB Output is correct
66 Correct 0 ms 212 KB Output is correct
67 Correct 396 ms 61920 KB Output is correct
68 Correct 368 ms 62364 KB Output is correct
69 Correct 414 ms 64740 KB Output is correct
70 Correct 17 ms 852 KB Output is correct
71 Correct 16 ms 1276 KB Output is correct
72 Correct 209 ms 26320 KB Output is correct
73 Correct 333 ms 42540 KB Output is correct
74 Correct 444 ms 52716 KB Output is correct
75 Correct 437 ms 64160 KB Output is correct
76 Correct 432 ms 69160 KB Output is correct
77 Correct 22 ms 1144 KB Output is correct
78 Correct 21 ms 1632 KB Output is correct
79 Correct 188 ms 27276 KB Output is correct
80 Correct 326 ms 41376 KB Output is correct
81 Correct 418 ms 55316 KB Output is correct
82 Correct 0 ms 212 KB Output is correct
83 Correct 0 ms 212 KB Output is correct
84 Correct 1 ms 212 KB Output is correct
85 Correct 445 ms 69028 KB Output is correct
86 Correct 417 ms 63988 KB Output is correct
87 Correct 439 ms 61168 KB Output is correct
88 Correct 349 ms 51168 KB Output is correct
89 Correct 103 ms 15820 KB Output is correct
90 Correct 196 ms 15948 KB Output is correct
91 Correct 147 ms 16036 KB Output is correct
92 Correct 318 ms 44304 KB Output is correct
93 Correct 313 ms 44292 KB Output is correct
94 Correct 484 ms 44340 KB Output is correct
95 Correct 471 ms 44240 KB Output is correct
96 Correct 0 ms 212 KB Output is correct
97 Correct 24 ms 4516 KB Output is correct
98 Correct 52 ms 7992 KB Output is correct
99 Correct 380 ms 64980 KB Output is correct
100 Correct 50 ms 1660 KB Output is correct
101 Correct 116 ms 5324 KB Output is correct
102 Correct 135 ms 9308 KB Output is correct
103 Correct 149 ms 18172 KB Output is correct
104 Correct 202 ms 24580 KB Output is correct
105 Correct 279 ms 31272 KB Output is correct
106 Correct 330 ms 38008 KB Output is correct
107 Correct 411 ms 44712 KB Output is correct
108 Correct 0 ms 212 KB Output is correct
109 Correct 0 ms 212 KB Output is correct
110 Correct 0 ms 212 KB Output is correct
111 Correct 0 ms 212 KB Output is correct
112 Correct 0 ms 212 KB Output is correct
113 Correct 0 ms 212 KB Output is correct
114 Correct 1 ms 212 KB Output is correct
115 Correct 0 ms 212 KB Output is correct
116 Correct 0 ms 212 KB Output is correct
117 Correct 1 ms 212 KB Output is correct
118 Correct 0 ms 212 KB Output is correct
119 Correct 6 ms 596 KB Output is correct
120 Correct 5 ms 596 KB Output is correct
121 Correct 183 ms 29976 KB Output is correct
122 Correct 282 ms 44080 KB Output is correct
123 Correct 291 ms 43264 KB Output is correct
124 Correct 0 ms 212 KB Output is correct
125 Correct 0 ms 212 KB Output is correct
126 Correct 0 ms 212 KB Output is correct
127 Correct 416 ms 61856 KB Output is correct
128 Correct 376 ms 62328 KB Output is correct
129 Correct 421 ms 64736 KB Output is correct
130 Correct 13 ms 852 KB Output is correct
131 Correct 20 ms 1276 KB Output is correct
132 Correct 181 ms 26284 KB Output is correct
133 Correct 318 ms 42516 KB Output is correct
134 Correct 488 ms 52768 KB Output is correct
135 Correct 419 ms 69212 KB Output is correct
136 Correct 414 ms 66788 KB Output is correct
137 Correct 429 ms 69520 KB Output is correct
138 Correct 519 ms 59676 KB Output is correct
139 Correct 394 ms 50888 KB Output is correct
140 Correct 0 ms 212 KB Output is correct
141 Correct 53 ms 8372 KB Output is correct
142 Correct 94 ms 3800 KB Output is correct
143 Correct 152 ms 8124 KB Output is correct
144 Correct 174 ms 11848 KB Output is correct
145 Correct 211 ms 30212 KB Output is correct
146 Correct 325 ms 38180 KB Output is correct
147 Correct 338 ms 45936 KB Output is correct
148 Correct 435 ms 53200 KB Output is correct
149 Correct 497 ms 61044 KB Output is correct
150 Correct 518 ms 64132 KB Output is correct
151 Correct 436 ms 69212 KB Output is correct
152 Correct 20 ms 1148 KB Output is correct
153 Correct 25 ms 1664 KB Output is correct
154 Correct 225 ms 27168 KB Output is correct
155 Correct 306 ms 41340 KB Output is correct
156 Correct 437 ms 55264 KB Output is correct
157 Correct 0 ms 212 KB Output is correct
158 Correct 1 ms 212 KB Output is correct
159 Correct 1 ms 236 KB Output is correct
160 Correct 0 ms 212 KB Output is correct
161 Correct 549 ms 69152 KB Output is correct
162 Correct 457 ms 61292 KB Output is correct
163 Correct 493 ms 54992 KB Output is correct
164 Correct 438 ms 54052 KB Output is correct
165 Correct 1285 ms 66596 KB Output is correct
166 Correct 986 ms 68428 KB Output is correct
167 Incorrect 613 ms 12064 KB Solution announced impossible, but it is possible.
168 Halted 0 ms 0 KB -