This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
2
26
42
52
48
34
45
37
51
3
33
6
58
14
7
16
49
10
9
46
32
18
4
29
15
12
41
36
50
5
40
188
31
167
291
106
26
179
197
294
1
87
271
243
12
21
205
64
226
190
46
202
144
232
49
196
42
55
86
113
151
249
70
142
227
97
63
222
223
168
135
261
273
101
225
16
140
240
36
15
164
61
95
34
251
84
38
10
259
146
124
50
110
300
238
65
148
129
237
211
112
96
287
277
263
233
57
184
173
206
125
269
82
187
239
103
219
192
44
39
163
27
172
257
255
288
117
213
29
156
220
161
165
83
109
268
297
210
116
48
153
298
247
127
248
174
111
270
169
159
132
274
279
272
72
81
177
170
143
242
140
120
163
25
8
236
20
237
139
215
115
11
227
195
5
159
206
230
158
28
246
87
107
218
109
213
7
10
200
192
40
133
4
142
164
66
55
180
103
73
193
12
148
112
71
202
23
186
119
207
49
63
165
124
166
64
96
38
135
67
101
225
78
174
27
189
134
221
154
185
105
137
50
13
245
156
19
24
179
169
171
99
123
70
43
184
113
232
243
217
223
201
77
194
203
188
162
182
239
199
144
224
93
130
82
94
6
62
88
240
59
197
54
129
216
104
95
241
198
44
161
157
151
65
60
220
208
57
122
114
145
69
14
80
100
152
127
26
222
106
31
226
191
98
141
235
36
29
16
86
9
126
173
39
2
118
83
136
1
75
211
168
229
56
108
18
238
228
121
15
205
150
244
42
76
97
209
117
111
183
128
160
52
147
153
34
90
45
155
68
167
204
79
214
74
178
22
149
250
233
210
110
61
58
212
33
219
234
37
176
3
53
172
72
102
175
92
48
248
131
17
196
138
125
30
32
181
84
146
35
132
187
21
247
47
231
41
116
190
46
51
249
89
85
91
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