This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
52
38
37
9
11
4
59
27
35
34
26
51
49
16
14
7
15
44
57
30
28
29
18
46
43
22
2
36
3
48
143
286
221
87
171
160
99
207
205
95
264
175
296
73
78
80
224
243
138
287
235
238
281
254
233
128
100
271
198
131
140
6
61
84
249
108
121
172
188
64
5
222
139
247
82
90
127
178
7
83
34
32
268
88
159
111
189
267
151
293
96
168
13
258
12
199
124
272
56
49
295
279
217
10
91
290
29
155
263
92
158
179
165
176
202
27
129
19
192
103
24
209
57
112
48
166
285
169
130
248
110
234
97
232
98
185
58
292
149
161
191
214
184
257
123
182
157
133
51
167
201
147
93
162
52
116
138
202
217
173
144
46
60
197
77
152
111
221
201
78
185
123
18
166
76
92
22
103
187
218
8
183
122
203
151
161
45
248
192
124
15
42
38
172
19
65
148
112
223
115
205
164
54
49
132
114
158
155
133
14
174
6
160
168
5
68
169
95
219
24
21
227
180
121
208
109
179
35
29
154
28
4
153
88
1
44
50
83
191
90
82
212
39
9
79
91
200
69
127
136
225
234
13
199
33
129
43
233
10
184
106
167
108
89
110
214
128
58
55
96
67
182
118
62
130
170
80
17
30
84
126
20
211
70
41
163
113
117
209
73
59
61
101
27
131
178
107
119
81
159
242
216
147
145
150
186
222
26
139
47
16
157
198
213
188
31
143
194
37
149
100
156
51
120
171
11
93
34
141
175
176
40
105
3
87
32
206
48
125
102
142
23
195
189
134
135
240
140
215
98
196
74
52
237
36
86
71
66
72
207
56
63
162
177
210
181
204
190
235
241
239
247
25
64
220
7
165
146
137
193
226
2
228
229
104
231
238
85
97
53
236
224
232
57
94
99
230
250
244
245
246
75
12
249
243
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