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Submission #1073111

# Submission time Handle Problem Language Result Execution time Memory
1073111 2024-08-24T09:37:10 Z vjudge1 The Ties That Guide Us (CEOI23_incursion) C++17
100 / 100
 287 ms 15164 KB 
#include <vector>
#include "incursion.h"
#include <cstdio>

#include <bits/stdc++.h>
#define all(x) (x).begin(),(x).end()
using namespace std;

#define sz(x) ((int)(x).size())

using pii = pair<int, int>;
using tii = tuple<int, int, int>;



const int nmax = 45e3 + 5;

vector<int> g[nmax];

int area[nmax];
int father[nmax];
#define N uhasfuhafs
int N;

void initarea(int node, int f) {
   area[node] = 1;
   father[node] = f;
   for(auto x : g[node]) {
      if(x == f) continue;
      initarea(x, node);
      area[node] += area[x];
   }
   return;
}
pii findcentr(int node, int f) {
   for(auto x : g[node]) {
      if(x == f) continue;
      if(area[x] * 2 == N) { return pii{node, x}; }
      if(area[x] * 2 > N) { return findcentr(x, node); }
   }
   return pii{node, node};
}

int make_graph(vector<pii> F) {
   for(auto &[a, b] : F) --a, --b;
   N = sz(F) + 1;
   for(int i = 0; i <= N + 1; i++) g[i].clear();
   
   for(auto [a, b] : F) {
      g[a].emplace_back(b);
      g[b].emplace_back(a);
   }
   
   int cnt = 0;
   for(int i = 0; i < N; i++) {
      if(sz(g[i]) == 2) cnt++;
   }
   if(cnt == 1) {      
      for(int i = 0; i < N; i++)
         if(sz(g[i]) == 2) return i;
   }
   
   initarea(0, 0);
   auto [u_, v_] = findcentr(0, 0);
   int root;
   
   if(u_ != v_) {
      for(int i = 0; i < sz(g[u_]); i++) {
         if(g[u_][i] == v_) {
            swap(g[u_][i], g[u_].back());
            g[u_].pop_back();
            break;
         }
      }
      for(int i = 0; i < sz(g[v_]); i++) {
         if(g[v_][i] == u_) {
            swap(g[v_][i], g[v_].back());
            g[v_].pop_back();
            break;
         }
      }
      g[u_].emplace_back(N);
      g[v_].emplace_back(N);
      g[N].emplace_back(u_);
      g[N].emplace_back(v_);
      N++;
      root = N - 1;
   }
   else { root = u_; }
   
   initarea(root, root);
   for(auto x : g[root])
      assert(area[x] * 2 < N);
   
   return root;
}

vector<int> known;

bool dfs(int node, int f, int where) {
   bool znayu = node == where;
   for(auto x : g[node]) {
      if(x == f) continue;
      znayu |= dfs(x, node, where);
   }
   known[node] = znayu;
   return known[node];
}

std::vector<int> mark(std::vector<std::pair<int, int>> F, int safe) {
   --safe;
   int root = make_graph(F);
   known.resize(N);
   dfs(root, root, safe);
   //cerr << root + 1 << '\n';
   known.resize(sz(F) + 1);
   return known;
}

int go(int x) {
   return visit(x +1);
}

void locate(std::vector<std::pair<int, int>> F, int curr, int t) {
   --curr;
   int root = make_graph(F);
   
   known.assign(N, -1);
   if(N != sz(F) + 1)
      known.back() = 1;
   initarea(root, root);
   
   while(1) {
      if(t == 0) {
         int u = father[curr];
         if(u == sz(F) + 1) {
            curr = g[u][0] ^ g[u][1] ^ curr;
            t = go(curr);
         }
         else {
            curr = father[curr];
            t = go(curr);
         }
      }
      else {
         int a = -1, b = -1, c = -1;
         for(auto x : g[curr]) {
            if(x == father[curr]) continue;
            if(a == -1) a = x;
            else if(b == -1) b = x;
            else c = x;
         }
         
         //cerr << curr << ": " << a << ' ' << b << '\n';
         COAIE:
         if(a == -1 && b == -1 && c == -1) return;
         if(b == -1) {
            int h = go(a);
            if(h == 1) {
               curr = a;
               t = 1;
               continue;
            }
            go(curr);
            return;
         }
         else if (c == -1) {
            if(area[a] < area[b]) swap(a, b);
            int h = go(a);
            if(h == 1) {
               curr = a;
               t = 1;
               continue;
            }
            go(curr);
            h = go(b);
            if(h == 1) {
               curr = b;
               t = 1;
                continue;
            }
            go(curr);
            return;
         }
         else {
            if(area[c] < area[b]) swap(c, b);
            if(area[c] < area[a]) swap(c, b);
            int h = go(c);
            if(h == 1) {
               curr = c;
               t = 1;
               continue;
            }
            go(curr);
            c = -1;
            goto COAIE;
         }
      }
   }
   
}

#undef N

Compilation message

interface.cpp: In function 'int main()':
interface.cpp:44:55: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   44 |     if(fread(T.data(), sizeof(int), 2 * N - 2, stdin) != 2 * N - 2) exit(0);
      |        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
interface.cpp:50:33: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   50 |         int l = (numbers.size() == N ? N : 0);
      |                  ~~~~~~~~~~~~~~~^~~~

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2820 KB Correct

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 221 ms 12824 KB Correct
2 Correct 218 ms 13212 KB Correct
3 Correct 106 ms 14116 KB Correct
4 Correct 118 ms 14744 KB Correct
5 Correct 213 ms 14308 KB Correct
6 Correct 96 ms 14768 KB Correct
7 Correct 92 ms 13032 KB Correct
8 Correct 218 ms 13388 KB Correct
9 Correct 220 ms 13736 KB Correct
10 Correct 169 ms 13184 KB Correct
11 Correct 101 ms 14884 KB Correct
12 Correct 287 ms 13336 KB Correct
13 Correct 87 ms 12860 KB Correct
14 Correct 87 ms 13216 KB Correct
15 Correct 228 ms 13984 KB Correct
16 Correct 206 ms 15164 KB Correct
17 Correct 132 ms 12304 KB Correct
18 Correct 106 ms 12960 KB Correct
19 Correct 161 ms 12188 KB Correct
20 Correct 89 ms 14452 KB Correct
21 Correct 91 ms 13488 KB Correct
22 Correct 225 ms 13484 KB Correct
23 Correct 201 ms 13508 KB Correct
24 Correct 103 ms 13216 KB Correct
25 Correct 100 ms 13908 KB Correct
26 Correct 91 ms 12704 KB Correct
27 Correct 88 ms 13116 KB Correct
28 Correct 91 ms 13736 KB Correct
29 Correct 224 ms 13628 KB Correct
30 Correct 249 ms 12604 KB Correct
31 Correct 99 ms 14724 KB Correct
32 Correct 253 ms 13712 KB Correct
33 Correct 236 ms 13780 KB Correct
34 Correct 81 ms 12704 KB Correct
35 Correct 86 ms 12444 KB Correct
36 Correct 218 ms 13548 KB Correct
37 Correct 230 ms 13628 KB Correct
38 Correct 255 ms 14356 KB Correct
39 Correct 161 ms 14788 KB Correct
40 Correct 210 ms 14056 KB Correct
41 Correct 94 ms 13980 KB Correct
42 Correct 94 ms 13728 KB Correct
43 Correct 234 ms 13584 KB Correct
44 Correct 216 ms 12348 KB Correct
45 Correct 90 ms 12860 KB Correct
46 Correct 90 ms 13120 KB Correct
47 Correct 97 ms 13860 KB Correct
48 Correct 84 ms 12420 KB Correct
49 Correct 84 ms 14240 KB Correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 79 ms 7972 KB Correct
2 Correct 73 ms 7996 KB Correct
3 Correct 78 ms 7960 KB Correct
4 Correct 82 ms 10464 KB Correct
5 Correct 127 ms 10448 KB Correct
6 Correct 152 ms 10664 KB Correct
7 Correct 75 ms 7664 KB Correct
8 Correct 75 ms 7848 KB Correct
9 Correct 73 ms 8000 KB Correct
10 Correct 72 ms 7856 KB Correct
11 Correct 75 ms 7716 KB Correct
12 Correct 71 ms 7880 KB Correct
13 Correct 79 ms 7784 KB Correct
14 Correct 57 ms 6428 KB Correct
15 Correct 59 ms 6448 KB Correct
16 Correct 79 ms 7844 KB Correct
17 Correct 74 ms 7692 KB Correct
18 Correct 75 ms 7880 KB Correct
19 Correct 71 ms 7748 KB Correct
20 Correct 50 ms 6472 KB Correct
21 Correct 50 ms 6800 KB Correct
22 Correct 55 ms 6564 KB Correct
23 Correct 51 ms 6704 KB Correct
24 Correct 60 ms 6316 KB Correct
25 Correct 58 ms 6436 KB Correct
26 Correct 70 ms 7912 KB Correct
27 Correct 83 ms 7868 KB Correct
28 Correct 82 ms 7864 KB Correct
29 Correct 79 ms 7956 KB Correct
30 Correct 92 ms 7968 KB Correct
31 Correct 70 ms 7932 KB Correct
32 Correct 87 ms 8016 KB Correct
33 Correct 73 ms 7960 KB Correct
34 Correct 74 ms 7976 KB Correct
35 Correct 69 ms 8012 KB Correct
36 Correct 76 ms 7908 KB Correct
37 Correct 75 ms 8004 KB Correct
38 Correct 75 ms 7976 KB Correct
39 Correct 75 ms 8000 KB Correct
40 Correct 77 ms 7940 KB Correct
41 Correct 72 ms 7956 KB Correct
42 Correct 76 ms 7980 KB Correct
43 Correct 76 ms 7972 KB Correct
44 Correct 74 ms 7868 KB Correct
45 Correct 79 ms 7824 KB Correct
46 Correct 78 ms 8000 KB Correct
47 Correct 83 ms 7940 KB Correct
48 Correct 71 ms 7972 KB Correct
49 Correct 80 ms 7868 KB Correct
50 Correct 75 ms 7984 KB Correct
51 Correct 83 ms 7872 KB Correct
52 Correct 76 ms 8004 KB Correct
53 Correct 79 ms 7872 KB Correct
54 Correct 62 ms 7948 KB Correct
55 Correct 76 ms 7972 KB Correct
56 Correct 75 ms 7876 KB Correct
57 Correct 71 ms 7976 KB Correct
58 Correct 77 ms 7864 KB Correct
59 Correct 78 ms 7956 KB Correct
60 Correct 70 ms 7884 KB Correct
61 Correct 73 ms 7892 KB Correct
62 Correct 76 ms 7952 KB Correct
63 Correct 76 ms 7968 KB Correct
64 Correct 84 ms 7780 KB Correct
65 Correct 72 ms 7916 KB Correct

Subtask #3
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2820 KB Correct
2 Correct 221 ms 12824 KB Correct
3 Correct 218 ms 13212 KB Correct
4 Correct 106 ms 14116 KB Correct
5 Correct 118 ms 14744 KB Correct
6 Correct 213 ms 14308 KB Correct
7 Correct 96 ms 14768 KB Correct
8 Correct 92 ms 13032 KB Correct
9 Correct 218 ms 13388 KB Correct
10 Correct 220 ms 13736 KB Correct
11 Correct 169 ms 13184 KB Correct
12 Correct 101 ms 14884 KB Correct
13 Correct 287 ms 13336 KB Correct
14 Correct 87 ms 12860 KB Correct
15 Correct 87 ms 13216 KB Correct
16 Correct 228 ms 13984 KB Correct
17 Correct 206 ms 15164 KB Correct
18 Correct 132 ms 12304 KB Correct
19 Correct 106 ms 12960 KB Correct
20 Correct 161 ms 12188 KB Correct
21 Correct 89 ms 14452 KB Correct
22 Correct 91 ms 13488 KB Correct
23 Correct 225 ms 13484 KB Correct
24 Correct 201 ms 13508 KB Correct
25 Correct 103 ms 13216 KB Correct
26 Correct 100 ms 13908 KB Correct
27 Correct 91 ms 12704 KB Correct
28 Correct 88 ms 13116 KB Correct
29 Correct 91 ms 13736 KB Correct
30 Correct 224 ms 13628 KB Correct
31 Correct 249 ms 12604 KB Correct
32 Correct 99 ms 14724 KB Correct
33 Correct 253 ms 13712 KB Correct
34 Correct 236 ms 13780 KB Correct
35 Correct 81 ms 12704 KB Correct
36 Correct 86 ms 12444 KB Correct
37 Correct 218 ms 13548 KB Correct
38 Correct 230 ms 13628 KB Correct
39 Correct 255 ms 14356 KB Correct
40 Correct 161 ms 14788 KB Correct
41 Correct 210 ms 14056 KB Correct
42 Correct 94 ms 13980 KB Correct
43 Correct 94 ms 13728 KB Correct
44 Correct 234 ms 13584 KB Correct
45 Correct 216 ms 12348 KB Correct
46 Correct 90 ms 12860 KB Correct
47 Correct 90 ms 13120 KB Correct
48 Correct 97 ms 13860 KB Correct
49 Correct 84 ms 12420 KB Correct
50 Correct 84 ms 14240 KB Correct
51 Correct 79 ms 7972 KB Correct
52 Correct 73 ms 7996 KB Correct
53 Correct 78 ms 7960 KB Correct
54 Correct 82 ms 10464 KB Correct
55 Correct 127 ms 10448 KB Correct
56 Correct 152 ms 10664 KB Correct
57 Correct 75 ms 7664 KB Correct
58 Correct 75 ms 7848 KB Correct
59 Correct 73 ms 8000 KB Correct
60 Correct 72 ms 7856 KB Correct
61 Correct 75 ms 7716 KB Correct
62 Correct 71 ms 7880 KB Correct
63 Correct 79 ms 7784 KB Correct
64 Correct 57 ms 6428 KB Correct
65 Correct 59 ms 6448 KB Correct
66 Correct 79 ms 7844 KB Correct
67 Correct 74 ms 7692 KB Correct
68 Correct 75 ms 7880 KB Correct
69 Correct 71 ms 7748 KB Correct
70 Correct 50 ms 6472 KB Correct
71 Correct 50 ms 6800 KB Correct
72 Correct 55 ms 6564 KB Correct
73 Correct 51 ms 6704 KB Correct
74 Correct 60 ms 6316 KB Correct
75 Correct 58 ms 6436 KB Correct
76 Correct 70 ms 7912 KB Correct
77 Correct 83 ms 7868 KB Correct
78 Correct 82 ms 7864 KB Correct
79 Correct 79 ms 7956 KB Correct
80 Correct 92 ms 7968 KB Correct
81 Correct 70 ms 7932 KB Correct
82 Correct 87 ms 8016 KB Correct
83 Correct 73 ms 7960 KB Correct
84 Correct 74 ms 7976 KB Correct
85 Correct 69 ms 8012 KB Correct
86 Correct 76 ms 7908 KB Correct
87 Correct 75 ms 8004 KB Correct
88 Correct 75 ms 7976 KB Correct
89 Correct 75 ms 8000 KB Correct
90 Correct 77 ms 7940 KB Correct
91 Correct 72 ms 7956 KB Correct
92 Correct 76 ms 7980 KB Correct
93 Correct 76 ms 7972 KB Correct
94 Correct 74 ms 7868 KB Correct
95 Correct 79 ms 7824 KB Correct
96 Correct 78 ms 8000 KB Correct
97 Correct 83 ms 7940 KB Correct
98 Correct 71 ms 7972 KB Correct
99 Correct 80 ms 7868 KB Correct
100 Correct 75 ms 7984 KB Correct
101 Correct 83 ms 7872 KB Correct
102 Correct 76 ms 8004 KB Correct
103 Correct 79 ms 7872 KB Correct
104 Correct 62 ms 7948 KB Correct
105 Correct 76 ms 7972 KB Correct
106 Correct 75 ms 7876 KB Correct
107 Correct 71 ms 7976 KB Correct
108 Correct 77 ms 7864 KB Correct
109 Correct 78 ms 7956 KB Correct
110 Correct 70 ms 7884 KB Correct
111 Correct 73 ms 7892 KB Correct
112 Correct 76 ms 7952 KB Correct
113 Correct 76 ms 7968 KB Correct
114 Correct 84 ms 7780 KB Correct
115 Correct 72 ms 7916 KB Correct
116 Correct 82 ms 8492 KB Correct
117 Correct 86 ms 8488 KB Correct
118 Correct 94 ms 8632 KB Correct
119 Correct 88 ms 8428 KB Correct
120 Correct 81 ms 7984 KB Correct
121 Correct 77 ms 7984 KB Correct
122 Correct 78 ms 7980 KB Correct
123 Correct 95 ms 10340 KB Correct
124 Correct 146 ms 10464 KB Correct
125 Correct 153 ms 10680 KB Correct
126 Correct 81 ms 7896 KB Correct
127 Correct 70 ms 7876 KB Correct
128 Correct 70 ms 7928 KB Correct
129 Correct 74 ms 7876 KB Correct
130 Correct 76 ms 7956 KB Correct
131 Correct 73 ms 7932 KB Correct
132 Correct 72 ms 7660 KB Correct
133 Correct 57 ms 6448 KB Correct
134 Correct 59 ms 6432 KB Correct
135 Correct 78 ms 7748 KB Correct
136 Correct 71 ms 7872 KB Correct
137 Correct 75 ms 7896 KB Correct
138 Correct 74 ms 7660 KB Correct
139 Correct 50 ms 6564 KB Correct
140 Correct 59 ms 6444 KB Correct
141 Correct 59 ms 6440 KB Correct
142 Correct 55 ms 6308 KB Correct
143 Correct 57 ms 6580 KB Correct
144 Correct 58 ms 6440 KB Correct
145 Correct 81 ms 7972 KB Correct
146 Correct 78 ms 7952 KB Correct
147 Correct 74 ms 7988 KB Correct
148 Correct 73 ms 7908 KB Correct
149 Correct 78 ms 7964 KB Correct
150 Correct 68 ms 7772 KB Correct
151 Correct 75 ms 7944 KB Correct
152 Correct 77 ms 7944 KB Correct
153 Correct 76 ms 7996 KB Correct
154 Correct 68 ms 7980 KB Correct
155 Correct 66 ms 7996 KB Correct
156 Correct 94 ms 7940 KB Correct
157 Correct 74 ms 8016 KB Correct
158 Correct 69 ms 7956 KB Correct
159 Correct 71 ms 7932 KB Correct
160 Correct 81 ms 7984 KB Correct
161 Correct 74 ms 8004 KB Correct
162 Correct 77 ms 7952 KB Correct
163 Correct 66 ms 7972 KB Correct
164 Correct 80 ms 7972 KB Correct
165 Correct 76 ms 7996 KB Correct
166 Correct 86 ms 7956 KB Correct
167 Correct 81 ms 7968 KB Correct
168 Correct 74 ms 7972 KB Correct
169 Correct 76 ms 8008 KB Correct
170 Correct 75 ms 7972 KB Correct
171 Correct 81 ms 7856 KB Correct
172 Correct 84 ms 7968 KB Correct
173 Correct 75 ms 7956 KB Correct
174 Correct 76 ms 8008 KB Correct
175 Correct 76 ms 7908 KB Correct
176 Correct 79 ms 7928 KB Correct
177 Correct 75 ms 7968 KB Correct
178 Correct 78 ms 7996 KB Correct
179 Correct 76 ms 7892 KB Correct
180 Correct 77 ms 7892 KB Correct
181 Correct 76 ms 7948 KB Correct
182 Correct 80 ms 7964 KB Correct
183 Correct 77 ms 7932 KB Correct
184 Correct 74 ms 7972 KB Correct
185 Correct 225 ms 13080 KB Correct
186 Correct 220 ms 13348 KB Correct
187 Correct 113 ms 14148 KB Correct
188 Correct 102 ms 14728 KB Correct
189 Correct 230 ms 14396 KB Correct
190 Correct 80 ms 14724 KB Correct
191 Correct 84 ms 13176 KB Correct
192 Correct 207 ms 13384 KB Correct
193 Correct 216 ms 13712 KB Correct
194 Correct 157 ms 13184 KB Correct
195 Correct 113 ms 14660 KB Correct
196 Correct 285 ms 13240 KB Correct
197 Correct 87 ms 12832 KB Correct
198 Correct 89 ms 13392 KB Correct
199 Correct 235 ms 14120 KB Correct
200 Correct 222 ms 15016 KB Correct
201 Correct 124 ms 12200 KB Correct
202 Correct 100 ms 12920 KB Correct
203 Correct 169 ms 12484 KB Correct
204 Correct 93 ms 14440 KB Correct
205 Correct 95 ms 13212 KB Correct
206 Correct 199 ms 13348 KB Correct
207 Correct 241 ms 13396 KB Correct
208 Correct 106 ms 13184 KB Correct
209 Correct 99 ms 13984 KB Correct
210 Correct 91 ms 12668 KB Correct
211 Correct 84 ms 13180 KB Correct
212 Correct 98 ms 13860 KB Correct
213 Correct 202 ms 13740 KB Correct
214 Correct 209 ms 12680 KB Correct
215 Correct 94 ms 14608 KB Correct
216 Correct 247 ms 13712 KB Correct
217 Correct 263 ms 13924 KB Correct
218 Correct 94 ms 12700 KB Correct
219 Correct 95 ms 12448 KB Correct
220 Correct 212 ms 13728 KB Correct
221 Correct 212 ms 13628 KB Correct
222 Correct 273 ms 14492 KB Correct
223 Correct 140 ms 14812 KB Correct
224 Correct 193 ms 14144 KB Correct
225 Correct 88 ms 13980 KB Correct
226 Correct 95 ms 13864 KB Correct
227 Correct 231 ms 13732 KB Correct
228 Correct 216 ms 12328 KB Correct
229 Correct 102 ms 12932 KB Correct
230 Correct 90 ms 13116 KB Correct
231 Correct 107 ms 14016 KB Correct
232 Correct 101 ms 12528 KB Correct
233 Correct 87 ms 14212 KB Correct
234 Correct 90 ms 11024 KB Correct
235 Correct 109 ms 11168 KB Correct
236 Correct 62 ms 6568 KB Correct
237 Correct 51 ms 6712 KB Correct
238 Correct 60 ms 6436 KB Correct
239 Correct 46 ms 5924 KB Correct
240 Correct 81 ms 8472 KB Correct
241 Correct 108 ms 8292 KB Correct
242 Correct 100 ms 8380 KB Correct
243 Correct 102 ms 8456 KB Correct
244 Correct 82 ms 8348 KB Correct
245 Correct 84 ms 8312 KB Correct
246 Correct 88 ms 8308 KB Correct
247 Correct 84 ms 8348 KB Correct
248 Correct 93 ms 8436 KB Correct
249 Correct 98 ms 8508 KB Correct
250 Correct 76 ms 8444 KB Correct
251 Correct 82 ms 8288 KB Correct
252 Correct 91 ms 8352 KB Correct
253 Correct 79 ms 8508 KB Correct
254 Correct 83 ms 8356 KB Correct
255 Correct 88 ms 8328 KB Correct
256 Correct 84 ms 8348 KB Correct
257 Correct 90 ms 8348 KB Correct
258 Correct 84 ms 8344 KB Correct
259 Correct 80 ms 8344 KB Correct
260 Correct 77 ms 8328 KB Correct
261 Correct 84 ms 8304 KB Correct
262 Correct 81 ms 8324 KB Correct
263 Correct 96 ms 8316 KB Correct
264 Correct 91 ms 8348 KB Correct
265 Correct 63 ms 6692 KB Correct
266 Correct 58 ms 6820 KB Correct
267 Correct 67 ms 6940 KB Correct
268 Correct 65 ms 6708 KB Correct
269 Correct 61 ms 6728 KB Correct
270 Correct 67 ms 6944 KB Correct
271 Correct 64 ms 6692 KB Correct
272 Correct 62 ms 6816 KB Correct
273 Correct 66 ms 7200 KB Correct
274 Correct 52 ms 7076 KB Correct
275 Correct 54 ms 6812 KB Correct
276 Correct 64 ms 6952 KB Correct
277 Correct 57 ms 7068 KB Correct
278 Correct 57 ms 6696 KB Correct
279 Correct 60 ms 6948 KB Correct
280 Correct 86 ms 8840 KB Correct
281 Correct 92 ms 8836 KB Correct
282 Correct 83 ms 8840 KB Correct
283 Correct 77 ms 8576 KB Correct
284 Correct 89 ms 8908 KB Correct
285 Correct 83 ms 8832 KB Correct
286 Correct 83 ms 8836 KB Correct
287 Correct 80 ms 8812 KB Correct
288 Correct 77 ms 8832 KB Correct
289 Correct 80 ms 8860 KB Correct