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Problems
Status
Rank
Volume 4
Title:
Source:
Volume: [
1
2
3
4
5
]
Status
ID
Title
Ratio
AC
/
Total
1300
Big grid
37.2%
48
/
129
1301
Common sub-sequence
25.0%
8
/
32
1302
Ugly number
29.4%
32
/
109
1303
Special tree
32.3%
10
/
31
1304
The least cost
40.0%
20
/
50
1305
Maximum income
27.4%
37
/
135
1306
Matrix once more
13.0%
3
/
23
1307
判断素数
51.0%
124
/
243
1308
全排列
61.1%
80
/
131
1309
最小公倍数
54.9%
107
/
195
1310
Doubles
35.7%
120
/
336
1311
Sum
35.7%
153
/
429
1312
Reordering Train Cars
11.4%
5
/
44
1313
Quicksum
51.7%
107
/
207
1314
A Contesting Decision
30.2%
73
/
242
1315
Dirichlet's Theorem on Arithmetic Progressions
43.3%
93
/
215
1316
The Circumference of the Circle
44.9%
75
/
167
1317
Part Elf
10.3%
19
/
185
1318
Ride to School
34.7%
69
/
199
1319
Gold Coins
55.7%
83
/
149
1320
The 3n + 1 problem
27.5%
98
/
357
1321
Pascal Library
50.8%
99
/
195
1322
What's Cryptanalysis?
40.0%
66
/
165
1323
The Repeater
15.8%
9
/
57
1324
Zipper
21.5%
209
/
970
1325
Anagram Groups
15.9%
36
/
226
1326
English-Number Transkator
22.2%
67
/
302
1327
Message Decowding
42.1%
72
/
171
1328
Product
16.9%
62
/
367
1329
Integer Inquiry
29.4%
69
/
235
1330
NUMBER BASE CONVERSION
21.3%
45
/
211
1331
Fibonacci Numbers
40.3%
83
/
206
1332
Childrens Game
36.6%
56
/
153
1333
DNA Sorting
42.5%
76
/
179
1334
Exact Sum
31.0%
65
/
210
1335
Tell me the frequencies!
24.0%
58
/
242
1336
New Lottery Game
100.0%
2
/
2
1337
2333
66.7%
14
/
21
1350
迎新赛冠军
44.2%
212
/
480
1351
逆袭
13.7%
65
/
476
1352
运输带
17.5%
34
/
194
1353
切绳子
24.1%
66
/
274
1354
WHZ和她的妹子们
23.8%
20
/
84
1355
开心的二鸣
13.3%
20
/
150
1356
小纸条
20.7%
6
/
29
1357
网
20.1%
86
/
427
1358
谁是你的潜在朋友
41.1%
188
/
457
1359
中位数
34.2%
205
/
600
1360
数字的最大倍数
35.2%
200
/
568
1361
开灯问题
30.0%
153
/
510
1362
单词求值
53.0%
149
/
281
1363
幸福配对
47.8%
165
/
345
1364
逆序对计数
52.5%
149
/
284
1365
字符串计数
37.1%
176
/
475
1366
市长选举
64.5%
185
/
287
1367
Tic-Tac-Toe-Tomek
19.8%
65
/
328
1368
Lawnmower
42.0%
60
/
143
1369
Fair and Square
39.0%
67
/
172
1370
Treasure
5.9%
2
/
34
1371
How Many Islands?
41.5%
170
/
410
1372
判断整除
30.2%
162
/
536
1373
母牛生小牛
39.2%
146
/
372
1374
火星了
23.5%
118
/
502
1375
Restoring Table
33.7%
111
/
329
1376
牙姐爱数数
34.6%
75
/
217
1377
围棋盘
45.8%
147
/
321
1378
放苹果
72.0%
118
/
164
1379
长方形
25.6%
110
/
429
1380
组合
38.4%
108
/
281
1381
老式计算器
21.7%
205
/
945
1382
毛毛虫
21.1%
123
/
584
1383
小数转分数
34.8%
127
/
365
1384
分数转小数
48.0%
132
/
275
1385
最小公倍数
50.9%
147
/
289
1386
蚊香
66.2%
145
/
219
1387
吸铁石
30.2%
138
/
457
1388
钻石
40.2%
101
/
251
1389
连续子数组和
42.0%
71
/
169
1390
最大数对差
73.8%
48
/
65
1391
输出整数
50.6%
44
/
87
1392
算24
17.8%
73
/
411
1393
N皇后II
48.9%
69
/
141
1394
Raid
19.7%
60
/
305
1395
A+B+C+D...
70.6%
60
/
85
1396
计算素数
57.7%
64
/
111
1397
开灯问题
63.6%
42
/
66
1398
排行榜
78.7%
37
/
47
1399
ACM Hacker
25.7%
27
/
105
University of Science and Technology of China
Online Judge for ACM/ICPC
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