답안 #1058936

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1058936 2024-08-14T15:11:31 Z RaresFelix 분수 공원 (IOI21_parks) C++17
100 / 100
661 ms 61736 KB
#include "parks.h"
#include <bits/stdc++.h>

using namespace std;

using vi = vector<int>;
using ii = pair<int, int>;

int DX[] = {-1, 0, 1, 0};
int DY[] = {0, 1, 0, -1};
const int MV = 1e9;

struct DSU {
    int nrc;
    vi e;
    DSU(int n) : nrc(n), e(n, -1) {}

    int repr(int u) {
        while(e[u] >= 0) u = e[u];
        return u;
    }

    void join(int u, int v) {
        u = repr(u); v = repr(v);
        if(u == v) return;
        if(e[u] >= e[v]) swap(u, v);
        e[u] += e[v];
        e[v] = u;
        --nrc;
    }
};

int construct_roads(vi x, vi y) {
    auto get_bench_coord = [&](int u, int v) -> pair<ii, ii> {
        int xcm = (x[u] + x[v]) / 2, ycm = (y[u] + y[v]) / 2;
        int dx = 2 - abs(x[u] - x[v]), dy = 2 - abs(y[u] - y[v]);
        return make_pair(ii{xcm - dx / 2, ycm - dy / 2}, ii{xcm + dx / 2, ycm + dy / 2});
    };
    int n = x.size();

    vector<ii> B;
    map<ii, int> Id;

    for(int i = 0; i < n; ++i) 
        Id[ii{x[i], y[i]}] = i;

    for(int i = 0; i < n; ++i) {
        for(int d = 0; d < 4; ++d) {
            int nx = x[i] + 2 * DX[d], ny = y[i] + 2 * DY[d];
            if(Id.count({nx, ny})) {
                int u = Id[{nx, ny}];
                auto [a, b] = get_bench_coord(u, i);
                B.push_back(a);
                B.push_back(b);
            }
        }
    }
    sort(B.begin(), B.end());
    B.resize(unique(B.begin(), B.end()) - B.begin());
    map<ii, int> IdB;
    int m = B.size();
    for(int i = 0; i < m; ++i) {
        IdB[B[i]] = i;
    }
    vi U, V, RA, RB;
    DSU Sol(n);
    auto leaga = [&](int x, int y, int x1, int y1, int x2, int y2) -> bool {
        if(Id.count({x1, y1}) && Id.count({x2, y2})) {
            int u = Id[{x1, y1}], v = Id[{x2, y2}];
            U.push_back(u);
            V.push_back(v);
            RA.push_back(x);
            RB.push_back(y);
            Sol.join(u, v);
            return true;
        }
        return false;
    };
    for(int i = 0; i < m; ++i) {
        auto [x, y] = B[i];
        int tip = ((((x + MV) / 2) & 1) + (((y + MV) / 2) & 1)) % 2;
        if(tip) {
            //leg la ceva vertical
            leaga(x, y, x + 1, y - 1, x + 1, y + 1) ||
            leaga(x, y, x - 1, y - 1, x - 1, y + 1);
        } else {
            //leg la ceva orizontal
            leaga(x, y, x - 1, y + 1, x + 1, y + 1) ||
            leaga(x, y, x - 1, y - 1, x + 1, y - 1);
        }
    }
    if(Sol.nrc != 1) return 0;
    build(U, V, RA, RB);
    return 1;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 221 ms 30056 KB Output is correct
10 Correct 14 ms 3292 KB Output is correct
11 Correct 89 ms 16180 KB Output is correct
12 Correct 20 ms 4820 KB Output is correct
13 Correct 67 ms 12576 KB Output is correct
14 Correct 1 ms 600 KB Output is correct
15 Correct 3 ms 860 KB Output is correct
16 Correct 223 ms 30136 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 221 ms 30056 KB Output is correct
10 Correct 14 ms 3292 KB Output is correct
11 Correct 89 ms 16180 KB Output is correct
12 Correct 20 ms 4820 KB Output is correct
13 Correct 67 ms 12576 KB Output is correct
14 Correct 1 ms 600 KB Output is correct
15 Correct 3 ms 860 KB Output is correct
16 Correct 223 ms 30136 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 620 ms 56736 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 2 ms 604 KB Output is correct
26 Correct 4 ms 988 KB Output is correct
27 Correct 7 ms 1240 KB Output is correct
28 Correct 200 ms 23236 KB Output is correct
29 Correct 307 ms 33788 KB Output is correct
30 Correct 485 ms 46200 KB Output is correct
31 Correct 661 ms 58528 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 436 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 0 ms 436 KB Output is correct
42 Correct 0 ms 344 KB Output is correct
43 Correct 2 ms 876 KB Output is correct
44 Correct 4 ms 1112 KB Output is correct
45 Correct 225 ms 26180 KB Output is correct
46 Correct 355 ms 38784 KB Output is correct
47 Correct 372 ms 38600 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 221 ms 30056 KB Output is correct
10 Correct 14 ms 3292 KB Output is correct
11 Correct 89 ms 16180 KB Output is correct
12 Correct 20 ms 4820 KB Output is correct
13 Correct 67 ms 12576 KB Output is correct
14 Correct 1 ms 600 KB Output is correct
15 Correct 3 ms 860 KB Output is correct
16 Correct 223 ms 30136 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 620 ms 56736 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 2 ms 604 KB Output is correct
26 Correct 4 ms 988 KB Output is correct
27 Correct 7 ms 1240 KB Output is correct
28 Correct 200 ms 23236 KB Output is correct
29 Correct 307 ms 33788 KB Output is correct
30 Correct 485 ms 46200 KB Output is correct
31 Correct 661 ms 58528 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 436 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 0 ms 436 KB Output is correct
42 Correct 0 ms 344 KB Output is correct
43 Correct 2 ms 876 KB Output is correct
44 Correct 4 ms 1112 KB Output is correct
45 Correct 225 ms 26180 KB Output is correct
46 Correct 355 ms 38784 KB Output is correct
47 Correct 372 ms 38600 KB Output is correct
48 Correct 0 ms 344 KB Output is correct
49 Correct 0 ms 440 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 537 ms 56272 KB Output is correct
56 Correct 1 ms 344 KB Output is correct
57 Correct 3 ms 860 KB Output is correct
58 Correct 9 ms 1928 KB Output is correct
59 Correct 17 ms 2900 KB Output is correct
60 Correct 219 ms 29620 KB Output is correct
61 Correct 315 ms 39492 KB Output is correct
62 Correct 397 ms 47272 KB Output is correct
63 Correct 530 ms 56244 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Correct 0 ms 348 KB Output is correct
67 Correct 437 ms 61736 KB Output is correct
68 Correct 443 ms 59900 KB Output is correct
69 Correct 431 ms 59568 KB Output is correct
70 Correct 6 ms 1496 KB Output is correct
71 Correct 12 ms 2016 KB Output is correct
72 Correct 194 ms 25840 KB Output is correct
73 Correct 324 ms 40696 KB Output is correct
74 Correct 454 ms 51388 KB Output is correct
75 Correct 489 ms 57784 KB Output is correct
76 Correct 439 ms 60860 KB Output is correct
77 Correct 7 ms 1500 KB Output is correct
78 Correct 13 ms 2464 KB Output is correct
79 Correct 205 ms 27076 KB Output is correct
80 Correct 346 ms 42416 KB Output is correct
81 Correct 487 ms 54968 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 221 ms 30056 KB Output is correct
10 Correct 14 ms 3292 KB Output is correct
11 Correct 89 ms 16180 KB Output is correct
12 Correct 20 ms 4820 KB Output is correct
13 Correct 67 ms 12576 KB Output is correct
14 Correct 1 ms 600 KB Output is correct
15 Correct 3 ms 860 KB Output is correct
16 Correct 223 ms 30136 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 406 ms 49640 KB Output is correct
21 Correct 421 ms 49084 KB Output is correct
22 Correct 432 ms 49340 KB Output is correct
23 Correct 385 ms 51892 KB Output is correct
24 Correct 194 ms 18516 KB Output is correct
25 Correct 488 ms 54972 KB Output is correct
26 Correct 482 ms 57020 KB Output is correct
27 Correct 476 ms 61628 KB Output is correct
28 Correct 487 ms 61392 KB Output is correct
29 Correct 516 ms 59832 KB Output is correct
30 Correct 523 ms 59576 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 27 ms 3892 KB Output is correct
33 Correct 75 ms 9812 KB Output is correct
34 Correct 387 ms 49320 KB Output is correct
35 Correct 15 ms 2780 KB Output is correct
36 Correct 88 ms 11720 KB Output is correct
37 Correct 190 ms 24000 KB Output is correct
38 Correct 163 ms 21332 KB Output is correct
39 Correct 233 ms 28104 KB Output is correct
40 Correct 333 ms 38320 KB Output is correct
41 Correct 393 ms 43460 KB Output is correct
42 Correct 512 ms 51892 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 440 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 344 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 2 ms 860 KB Output is correct
55 Correct 4 ms 1112 KB Output is correct
56 Correct 196 ms 26296 KB Output is correct
57 Correct 323 ms 39356 KB Output is correct
58 Correct 306 ms 38904 KB Output is correct
59 Correct 1 ms 344 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 0 ms 348 KB Output is correct
62 Correct 431 ms 61616 KB Output is correct
63 Correct 429 ms 59896 KB Output is correct
64 Correct 443 ms 59572 KB Output is correct
65 Correct 5 ms 1116 KB Output is correct
66 Correct 11 ms 2032 KB Output is correct
67 Correct 196 ms 26072 KB Output is correct
68 Correct 333 ms 41392 KB Output is correct
69 Correct 505 ms 51384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 221 ms 30056 KB Output is correct
10 Correct 14 ms 3292 KB Output is correct
11 Correct 89 ms 16180 KB Output is correct
12 Correct 20 ms 4820 KB Output is correct
13 Correct 67 ms 12576 KB Output is correct
14 Correct 1 ms 600 KB Output is correct
15 Correct 3 ms 860 KB Output is correct
16 Correct 223 ms 30136 KB Output is correct
17 Correct 456 ms 60204 KB Output is correct
18 Correct 489 ms 60744 KB Output is correct
19 Correct 453 ms 49488 KB Output is correct
20 Correct 591 ms 54716 KB Output is correct
21 Correct 503 ms 51628 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 69 ms 8808 KB Output is correct
24 Correct 35 ms 5252 KB Output is correct
25 Correct 142 ms 18556 KB Output is correct
26 Correct 274 ms 30652 KB Output is correct
27 Correct 258 ms 27536 KB Output is correct
28 Correct 316 ms 35624 KB Output is correct
29 Correct 402 ms 41900 KB Output is correct
30 Correct 480 ms 47984 KB Output is correct
31 Correct 568 ms 54700 KB Output is correct
32 Correct 542 ms 57524 KB Output is correct
33 Correct 478 ms 59824 KB Output is correct
34 Correct 7 ms 1500 KB Output is correct
35 Correct 18 ms 2516 KB Output is correct
36 Correct 244 ms 27184 KB Output is correct
37 Correct 378 ms 41912 KB Output is correct
38 Correct 569 ms 54692 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 221 ms 30056 KB Output is correct
10 Correct 14 ms 3292 KB Output is correct
11 Correct 89 ms 16180 KB Output is correct
12 Correct 20 ms 4820 KB Output is correct
13 Correct 67 ms 12576 KB Output is correct
14 Correct 1 ms 600 KB Output is correct
15 Correct 3 ms 860 KB Output is correct
16 Correct 223 ms 30136 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 620 ms 56736 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 2 ms 604 KB Output is correct
26 Correct 4 ms 988 KB Output is correct
27 Correct 7 ms 1240 KB Output is correct
28 Correct 200 ms 23236 KB Output is correct
29 Correct 307 ms 33788 KB Output is correct
30 Correct 485 ms 46200 KB Output is correct
31 Correct 661 ms 58528 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 436 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 0 ms 436 KB Output is correct
42 Correct 0 ms 344 KB Output is correct
43 Correct 2 ms 876 KB Output is correct
44 Correct 4 ms 1112 KB Output is correct
45 Correct 225 ms 26180 KB Output is correct
46 Correct 355 ms 38784 KB Output is correct
47 Correct 372 ms 38600 KB Output is correct
48 Correct 0 ms 344 KB Output is correct
49 Correct 0 ms 440 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 537 ms 56272 KB Output is correct
56 Correct 1 ms 344 KB Output is correct
57 Correct 3 ms 860 KB Output is correct
58 Correct 9 ms 1928 KB Output is correct
59 Correct 17 ms 2900 KB Output is correct
60 Correct 219 ms 29620 KB Output is correct
61 Correct 315 ms 39492 KB Output is correct
62 Correct 397 ms 47272 KB Output is correct
63 Correct 530 ms 56244 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Correct 0 ms 348 KB Output is correct
67 Correct 437 ms 61736 KB Output is correct
68 Correct 443 ms 59900 KB Output is correct
69 Correct 431 ms 59568 KB Output is correct
70 Correct 6 ms 1496 KB Output is correct
71 Correct 12 ms 2016 KB Output is correct
72 Correct 194 ms 25840 KB Output is correct
73 Correct 324 ms 40696 KB Output is correct
74 Correct 454 ms 51388 KB Output is correct
75 Correct 489 ms 57784 KB Output is correct
76 Correct 439 ms 60860 KB Output is correct
77 Correct 7 ms 1500 KB Output is correct
78 Correct 13 ms 2464 KB Output is correct
79 Correct 205 ms 27076 KB Output is correct
80 Correct 346 ms 42416 KB Output is correct
81 Correct 487 ms 54968 KB Output is correct
82 Correct 0 ms 344 KB Output is correct
83 Correct 0 ms 348 KB Output is correct
84 Correct 0 ms 348 KB Output is correct
85 Correct 406 ms 49640 KB Output is correct
86 Correct 421 ms 49084 KB Output is correct
87 Correct 432 ms 49340 KB Output is correct
88 Correct 385 ms 51892 KB Output is correct
89 Correct 194 ms 18516 KB Output is correct
90 Correct 488 ms 54972 KB Output is correct
91 Correct 482 ms 57020 KB Output is correct
92 Correct 476 ms 61628 KB Output is correct
93 Correct 487 ms 61392 KB Output is correct
94 Correct 516 ms 59832 KB Output is correct
95 Correct 523 ms 59576 KB Output is correct
96 Correct 0 ms 344 KB Output is correct
97 Correct 27 ms 3892 KB Output is correct
98 Correct 75 ms 9812 KB Output is correct
99 Correct 387 ms 49320 KB Output is correct
100 Correct 15 ms 2780 KB Output is correct
101 Correct 88 ms 11720 KB Output is correct
102 Correct 190 ms 24000 KB Output is correct
103 Correct 163 ms 21332 KB Output is correct
104 Correct 233 ms 28104 KB Output is correct
105 Correct 333 ms 38320 KB Output is correct
106 Correct 393 ms 43460 KB Output is correct
107 Correct 512 ms 51892 KB Output is correct
108 Correct 0 ms 348 KB Output is correct
109 Correct 0 ms 440 KB Output is correct
110 Correct 0 ms 348 KB Output is correct
111 Correct 0 ms 348 KB Output is correct
112 Correct 0 ms 348 KB Output is correct
113 Correct 0 ms 348 KB Output is correct
114 Correct 0 ms 348 KB Output is correct
115 Correct 0 ms 348 KB Output is correct
116 Correct 0 ms 348 KB Output is correct
117 Correct 0 ms 344 KB Output is correct
118 Correct 0 ms 348 KB Output is correct
119 Correct 2 ms 860 KB Output is correct
120 Correct 4 ms 1112 KB Output is correct
121 Correct 196 ms 26296 KB Output is correct
122 Correct 323 ms 39356 KB Output is correct
123 Correct 306 ms 38904 KB Output is correct
124 Correct 1 ms 344 KB Output is correct
125 Correct 0 ms 348 KB Output is correct
126 Correct 0 ms 348 KB Output is correct
127 Correct 431 ms 61616 KB Output is correct
128 Correct 429 ms 59896 KB Output is correct
129 Correct 443 ms 59572 KB Output is correct
130 Correct 5 ms 1116 KB Output is correct
131 Correct 11 ms 2032 KB Output is correct
132 Correct 196 ms 26072 KB Output is correct
133 Correct 333 ms 41392 KB Output is correct
134 Correct 505 ms 51384 KB Output is correct
135 Correct 456 ms 60204 KB Output is correct
136 Correct 489 ms 60744 KB Output is correct
137 Correct 453 ms 49488 KB Output is correct
138 Correct 591 ms 54716 KB Output is correct
139 Correct 503 ms 51628 KB Output is correct
140 Correct 0 ms 348 KB Output is correct
141 Correct 69 ms 8808 KB Output is correct
142 Correct 35 ms 5252 KB Output is correct
143 Correct 142 ms 18556 KB Output is correct
144 Correct 274 ms 30652 KB Output is correct
145 Correct 258 ms 27536 KB Output is correct
146 Correct 316 ms 35624 KB Output is correct
147 Correct 402 ms 41900 KB Output is correct
148 Correct 480 ms 47984 KB Output is correct
149 Correct 568 ms 54700 KB Output is correct
150 Correct 542 ms 57524 KB Output is correct
151 Correct 478 ms 59824 KB Output is correct
152 Correct 7 ms 1500 KB Output is correct
153 Correct 18 ms 2516 KB Output is correct
154 Correct 244 ms 27184 KB Output is correct
155 Correct 378 ms 41912 KB Output is correct
156 Correct 569 ms 54692 KB Output is correct
157 Correct 0 ms 344 KB Output is correct
158 Correct 0 ms 348 KB Output is correct
159 Correct 0 ms 348 KB Output is correct
160 Correct 1 ms 436 KB Output is correct
161 Correct 660 ms 54708 KB Output is correct
162 Correct 459 ms 50016 KB Output is correct
163 Correct 532 ms 50200 KB Output is correct
164 Correct 534 ms 51880 KB Output is correct
165 Correct 598 ms 53812 KB Output is correct
166 Correct 639 ms 53480 KB Output is correct
167 Correct 103 ms 14008 KB Output is correct
168 Correct 60 ms 7884 KB Output is correct
169 Correct 185 ms 20816 KB Output is correct
170 Correct 427 ms 38048 KB Output is correct
171 Correct 586 ms 49544 KB Output is correct
172 Correct 273 ms 27328 KB Output is correct
173 Correct 319 ms 32488 KB Output is correct
174 Correct 402 ms 39068 KB Output is correct
175 Correct 492 ms 44044 KB Output is correct
176 Correct 551 ms 49312 KB Output is correct
177 Correct 616 ms 54484 KB Output is correct