oj.uz

답안 #826263

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
826263 2023-08-15T11:41:00 Z loctildore 분수 공원 (IOI21_parks) C++17
70 / 100
 2351 ms 70396 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(6969);
    n = xs.size();
    for (int i = 0; i < n; i++) {
        mp[{xs[i], ys[i]}] = i;
    }
    for (int tst = 0; tst < 7; tst++) {
        int t = rand() % n;
        dfs(xs[t], ys[t]);
        if (u.size() == n - 1) {
            build(u, v, a, b);
            return 1;
        }
        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

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 0 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 184 ms 30468 KB Output is correct
10 Correct 13 ms 3412 KB Output is correct
11 Correct 82 ms 16292 KB Output is correct
12 Correct 20 ms 5056 KB Output is correct
13 Correct 198 ms 10648 KB Output is correct
14 Correct 3 ms 584 KB Output is correct
15 Correct 3 ms 468 KB Output is correct
16 Correct 166 ms 30676 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 0 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 184 ms 30468 KB Output is correct
10 Correct 13 ms 3412 KB Output is correct
11 Correct 82 ms 16292 KB Output is correct
12 Correct 20 ms 5056 KB Output is correct
13 Correct 198 ms 10648 KB Output is correct
14 Correct 3 ms 584 KB Output is correct
15 Correct 3 ms 468 KB Output is correct
16 Correct 166 ms 30676 KB Output is correct
17 Correct 0 ms 336 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 446 ms 58876 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 2 ms 724 KB Output is correct
26 Correct 8 ms 852 KB Output is correct
27 Correct 5 ms 780 KB Output is correct
28 Correct 144 ms 27848 KB Output is correct
29 Correct 232 ms 39492 KB Output is correct
30 Correct 352 ms 45956 KB Output is correct
31 Correct 437 ms 69208 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 0 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 6 ms 596 KB Output is correct
44 Correct 4 ms 596 KB Output is correct
45 Correct 168 ms 28540 KB Output is correct
46 Correct 272 ms 41780 KB Output is correct
47 Correct 270 ms 41544 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 0 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 184 ms 30468 KB Output is correct
10 Correct 13 ms 3412 KB Output is correct
11 Correct 82 ms 16292 KB Output is correct
12 Correct 20 ms 5056 KB Output is correct
13 Correct 198 ms 10648 KB Output is correct
14 Correct 3 ms 584 KB Output is correct
15 Correct 3 ms 468 KB Output is correct
16 Correct 166 ms 30676 KB Output is correct
17 Correct 0 ms 336 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 446 ms 58876 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 2 ms 724 KB Output is correct
26 Correct 8 ms 852 KB Output is correct
27 Correct 5 ms 780 KB Output is correct
28 Correct 144 ms 27848 KB Output is correct
29 Correct 232 ms 39492 KB Output is correct
30 Correct 352 ms 45956 KB Output is correct
31 Correct 437 ms 69208 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 0 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 6 ms 596 KB Output is correct
44 Correct 4 ms 596 KB Output is correct
45 Correct 168 ms 28540 KB Output is correct
46 Correct 272 ms 41780 KB Output is correct
47 Correct 270 ms 41544 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 0 ms 212 KB Output is correct
55 Correct 439 ms 58480 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 3 ms 852 KB Output is correct
58 Correct 9 ms 2308 KB Output is correct
59 Correct 14 ms 1508 KB Output is correct
60 Correct 187 ms 29636 KB Output is correct
61 Correct 283 ms 41020 KB Output is correct
62 Correct 362 ms 49936 KB Output is correct
63 Correct 445 ms 67292 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 407 ms 57668 KB Output is correct
68 Correct 381 ms 62564 KB Output is correct
69 Correct 386 ms 61408 KB Output is correct
70 Correct 11 ms 980 KB Output is correct
71 Correct 13 ms 1292 KB Output is correct
72 Correct 177 ms 27676 KB Output is correct
73 Correct 305 ms 42748 KB Output is correct
74 Correct 424 ms 59056 KB Output is correct
75 Correct 408 ms 57792 KB Output is correct
76 Correct 384 ms 69220 KB Output is correct
77 Correct 14 ms 1108 KB Output is correct
78 Correct 14 ms 1452 KB Output is correct
79 Correct 174 ms 26012 KB Output is correct
80 Correct 296 ms 39936 KB Output is correct
81 Correct 397 ms 53872 KB Output is correct

Subtask #4
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 0 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 184 ms 30468 KB Output is correct
10 Correct 13 ms 3412 KB Output is correct
11 Correct 82 ms 16292 KB Output is correct
12 Correct 20 ms 5056 KB Output is correct
13 Correct 198 ms 10648 KB Output is correct
14 Correct 3 ms 584 KB Output is correct
15 Correct 3 ms 468 KB Output is correct
16 Correct 166 ms 30676 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 398 ms 60556 KB Output is correct
21 Correct 412 ms 58592 KB Output is correct
22 Correct 429 ms 66208 KB Output is correct
23 Correct 325 ms 53088 KB Output is correct
24 Correct 94 ms 15948 KB Output is correct
25 Correct 116 ms 16048 KB Output is correct
26 Correct 101 ms 15996 KB Output is correct
27 Correct 303 ms 44324 KB Output is correct
28 Correct 299 ms 44344 KB Output is correct
29 Correct 460 ms 44320 KB Output is correct
30 Correct 471 ms 44280 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 23 ms 4692 KB Output is correct
33 Correct 39 ms 8012 KB Output is correct
34 Correct 396 ms 59176 KB Output is correct
35 Correct 34 ms 1620 KB Output is correct
36 Correct 85 ms 5360 KB Output is correct
37 Correct 109 ms 9344 KB Output is correct
38 Correct 147 ms 18020 KB Output is correct
39 Correct 196 ms 24656 KB Output is correct
40 Correct 263 ms 31320 KB Output is correct
41 Correct 331 ms 38052 KB Output is correct
42 Correct 389 ms 44660 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 0 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 0 ms 212 KB Output is correct
53 Correct 0 ms 212 KB Output is correct
54 Correct 5 ms 624 KB Output is correct
55 Correct 4 ms 596 KB Output is correct
56 Correct 174 ms 28456 KB Output is correct
57 Correct 258 ms 41804 KB Output is correct
58 Correct 260 ms 41632 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 390 ms 57612 KB Output is correct
63 Correct 398 ms 62600 KB Output is correct
64 Correct 387 ms 61436 KB Output is correct
65 Correct 11 ms 980 KB Output is correct
66 Correct 13 ms 1288 KB Output is correct
67 Correct 179 ms 27684 KB Output is correct
68 Correct 292 ms 42728 KB Output is correct
69 Correct 412 ms 59168 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 0 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 184 ms 30468 KB Output is correct
10 Correct 13 ms 3412 KB Output is correct
11 Correct 82 ms 16292 KB Output is correct
12 Correct 20 ms 5056 KB Output is correct
13 Correct 198 ms 10648 KB Output is correct
14 Correct 3 ms 584 KB Output is correct
15 Correct 3 ms 468 KB Output is correct
16 Correct 166 ms 30676 KB Output is correct
17 Correct 413 ms 69204 KB Output is correct
18 Correct 393 ms 63040 KB Output is correct
19 Correct 399 ms 69440 KB Output is correct
20 Correct 459 ms 59724 KB Output is correct
21 Correct 375 ms 51044 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 56 ms 8524 KB Output is correct
24 Correct 83 ms 3796 KB Output is correct
25 Correct 134 ms 8140 KB Output is correct
26 Correct 141 ms 11872 KB Output is correct
27 Correct 207 ms 30520 KB Output is correct
28 Correct 283 ms 38056 KB Output is correct
29 Correct 338 ms 45724 KB Output is correct
30 Correct 398 ms 52972 KB Output is correct
31 Correct 466 ms 60840 KB Output is correct
32 Correct 423 ms 57872 KB Output is correct
33 Correct 407 ms 69248 KB Output is correct
34 Correct 18 ms 1132 KB Output is correct
35 Correct 14 ms 1492 KB Output is correct
36 Correct 181 ms 26044 KB Output is correct
37 Correct 291 ms 40000 KB Output is correct
38 Correct 400 ms 53860 KB Output is correct

Subtask #6
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 0 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 184 ms 30468 KB Output is correct
10 Correct 13 ms 3412 KB Output is correct
11 Correct 82 ms 16292 KB Output is correct
12 Correct 20 ms 5056 KB Output is correct
13 Correct 198 ms 10648 KB Output is correct
14 Correct 3 ms 584 KB Output is correct
15 Correct 3 ms 468 KB Output is correct
16 Correct 166 ms 30676 KB Output is correct
17 Correct 0 ms 336 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 446 ms 58876 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 2 ms 724 KB Output is correct
26 Correct 8 ms 852 KB Output is correct
27 Correct 5 ms 780 KB Output is correct
28 Correct 144 ms 27848 KB Output is correct
29 Correct 232 ms 39492 KB Output is correct
30 Correct 352 ms 45956 KB Output is correct
31 Correct 437 ms 69208 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 0 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 6 ms 596 KB Output is correct
44 Correct 4 ms 596 KB Output is correct
45 Correct 168 ms 28540 KB Output is correct
46 Correct 272 ms 41780 KB Output is correct
47 Correct 270 ms 41544 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 0 ms 212 KB Output is correct
55 Correct 439 ms 58480 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 3 ms 852 KB Output is correct
58 Correct 9 ms 2308 KB Output is correct
59 Correct 14 ms 1508 KB Output is correct
60 Correct 187 ms 29636 KB Output is correct
61 Correct 283 ms 41020 KB Output is correct
62 Correct 362 ms 49936 KB Output is correct
63 Correct 445 ms 67292 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 407 ms 57668 KB Output is correct
68 Correct 381 ms 62564 KB Output is correct
69 Correct 386 ms 61408 KB Output is correct
70 Correct 11 ms 980 KB Output is correct
71 Correct 13 ms 1292 KB Output is correct
72 Correct 177 ms 27676 KB Output is correct
73 Correct 305 ms 42748 KB Output is correct
74 Correct 424 ms 59056 KB Output is correct
75 Correct 408 ms 57792 KB Output is correct
76 Correct 384 ms 69220 KB Output is correct
77 Correct 14 ms 1108 KB Output is correct
78 Correct 14 ms 1452 KB Output is correct
79 Correct 174 ms 26012 KB Output is correct
80 Correct 296 ms 39936 KB Output is correct
81 Correct 397 ms 53872 KB Output is correct
82 Correct 0 ms 212 KB Output is correct
83 Correct 0 ms 212 KB Output is correct
84 Correct 0 ms 212 KB Output is correct
85 Correct 398 ms 60556 KB Output is correct
86 Correct 412 ms 58592 KB Output is correct
87 Correct 429 ms 66208 KB Output is correct
88 Correct 325 ms 53088 KB Output is correct
89 Correct 94 ms 15948 KB Output is correct
90 Correct 116 ms 16048 KB Output is correct
91 Correct 101 ms 15996 KB Output is correct
92 Correct 303 ms 44324 KB Output is correct
93 Correct 299 ms 44344 KB Output is correct
94 Correct 460 ms 44320 KB Output is correct
95 Correct 471 ms 44280 KB Output is correct
96 Correct 0 ms 212 KB Output is correct
97 Correct 23 ms 4692 KB Output is correct
98 Correct 39 ms 8012 KB Output is correct
99 Correct 396 ms 59176 KB Output is correct
100 Correct 34 ms 1620 KB Output is correct
101 Correct 85 ms 5360 KB Output is correct
102 Correct 109 ms 9344 KB Output is correct
103 Correct 147 ms 18020 KB Output is correct
104 Correct 196 ms 24656 KB Output is correct
105 Correct 263 ms 31320 KB Output is correct
106 Correct 331 ms 38052 KB Output is correct
107 Correct 389 ms 44660 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 0 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 0 ms 212 KB Output is correct
118 Correct 0 ms 212 KB Output is correct
119 Correct 5 ms 624 KB Output is correct
120 Correct 4 ms 596 KB Output is correct
121 Correct 174 ms 28456 KB Output is correct
122 Correct 258 ms 41804 KB Output is correct
123 Correct 260 ms 41632 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 390 ms 57612 KB Output is correct
128 Correct 398 ms 62600 KB Output is correct
129 Correct 387 ms 61436 KB Output is correct
130 Correct 11 ms 980 KB Output is correct
131 Correct 13 ms 1288 KB Output is correct
132 Correct 179 ms 27684 KB Output is correct
133 Correct 292 ms 42728 KB Output is correct
134 Correct 412 ms 59168 KB Output is correct
135 Correct 413 ms 69204 KB Output is correct
136 Correct 393 ms 63040 KB Output is correct
137 Correct 399 ms 69440 KB Output is correct
138 Correct 459 ms 59724 KB Output is correct
139 Correct 375 ms 51044 KB Output is correct
140 Correct 0 ms 212 KB Output is correct
141 Correct 56 ms 8524 KB Output is correct
142 Correct 83 ms 3796 KB Output is correct
143 Correct 134 ms 8140 KB Output is correct
144 Correct 141 ms 11872 KB Output is correct
145 Correct 207 ms 30520 KB Output is correct
146 Correct 283 ms 38056 KB Output is correct
147 Correct 338 ms 45724 KB Output is correct
148 Correct 398 ms 52972 KB Output is correct
149 Correct 466 ms 60840 KB Output is correct
150 Correct 423 ms 57872 KB Output is correct
151 Correct 407 ms 69248 KB Output is correct
152 Correct 18 ms 1132 KB Output is correct
153 Correct 14 ms 1492 KB Output is correct
154 Correct 181 ms 26044 KB Output is correct
155 Correct 291 ms 40000 KB Output is correct
156 Correct 400 ms 53860 KB Output is correct
157 Correct 1 ms 212 KB Output is correct
158 Correct 0 ms 212 KB Output is correct
159 Correct 0 ms 212 KB Output is correct
160 Correct 0 ms 212 KB Output is correct
161 Correct 486 ms 69204 KB Output is correct
162 Correct 446 ms 65780 KB Output is correct
163 Correct 410 ms 54332 KB Output is correct
164 Correct 453 ms 60592 KB Output is correct
165 Correct 2060 ms 67464 KB Output is correct
166 Correct 2351 ms 70396 KB Output is correct
167 Incorrect 515 ms 12140 KB Solution announced impossible, but it is possible.
168 Halted 0 ms 0 KB -