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题目编号
标题
解决
提交
通过率
1100
Append
Central
Europe
1997
1
20
5.000%
1101
Gossiping
Central
Europe
1997
1
8
12.500%
1177
Dividing
Mid-Central
European
Regional
Contest
1999
28
102
27.451%
1178
Dreisam Equations
Mid-Central
European
Regional
Contest
1999
1
1
100.000%
1179
Formatting Text
Mid-Central
European
Regional
Contest
1999
0
0
0.000%
1180
The Game
Mid-Central
European
Regional
Contest
1999
2
5
40.000%
1181
LC-Display
Mid-Central
European
Regional
Contest
1999
6
21
28.571%
1182
Maze
Mid-Central
European
Regional
Contest
1999
0
0
0.000%
1183
Robbery
Mid-Central
European
Regional
Contest
1999
0
0
0.000%
1184
S-Trees
Mid-Central
European
Regional
Contest
1999
1
1
100.000%
1185
Date bugs
Mid-Central
European
Regional
Contest
1999
0
0
0.000%
1186
Atlantis
Mid-Central
European
Regional
Contest
2000
1
1
100.000%
1187
Cog-Wheels
Mid-Central
European
Regional
Contest
2000
0
0
0.000%
1188
Erdös Numbers
Mid-Central
European
Regional
Contest
2000
0
0
0.000%
1189
Number Game
Mid-Central
European
Regional
Contest
2000
29
80
36.250%
1190
Ouroboros Snake
Mid-Central
European
Regional
Contest
2000
1
1
100.000%
1191
Fold-up Patterns
Mid-Central
European
Regional
Contest
2000
0
0
0.000%
1192
Railroad
Mid-Central
European
Regional
Contest
2000
0
0
0.000%
1193
Smith Numbers
Mid-Central
European
Regional
Contest
2000
9
19
47.368%
1223
Cable master
Northeastern
Europe
2001
-
Problem
C
2
9
22.222%
1224
Wall
Northeastern
Europe
2001
-
Problem
D
4
6
66.667%
1225
Chemical Reactions
Northeastern
Europe
2001
-
Problem
E
1
1
100.000%
1226
Library
Northeastern
Europe
2001
-
Problem
G
0
0
0.000%
1227
Pairs of integers
rtheastern
Europe
2001
-
Problem
H
1
6
16.667%
1228
Area
Northwestern
Europe
2001
-
Problem
1
3
5
60.000%
1229
Ambiguous Dates
Northwestern
Europe
2001
-
Problem
2
0
0
0.000%
1231
Enigma
Northwestern
Europe
2001
-
Problem
5
0
0
0.000%
1232
Gridland
Northwestern
Europe
2001
-
Problem
6
2
2
100.000%
1233
T9
Northwestern
Europe
2001
-
Problem
7
0
1
0.000%
1234
Signal Box
Northwestern
Europe
2001
-
Problem
9
0
0
0.000%
1236
Delta Encoding and Decoding
Southeastern
European
Regional
Programming
Contes
Bucharest,
Romania
October
18,
2003
0
0
0.000%
1237
Hidden Password
Southeastern
European
Regional
Programming
Contest
Bucharest,
Romania
October
18,
2003
2
4
50.000%
1241
Crazy tea party
Southeastern
European
Regional
Programming
Contest
October
18,
2003
24
34
70.588%
1243
Supermarket
Southeastern
European
Regional
Programming
Contest
Bucharest,
Romania
October
18,
2003
2
6
33.333%
1244
Lord of the Ring
Southeastern
European
Regional
Programming
Contest
Bucharest,
Romania
October
18,
2003
0
0
0.000%
1245
Common Subsequence
Southeastern
European
Regional
Programming
Contest
Bucharest,
Romania
October
18,
2003
15
23
65.217%
1246
Power Network
Southeastern
European
Regional
Programming
Contest
Bucharest,
Romania
October
18,
2003
19
28
67.857%
1247
Firefighters
Southeastern
European
Regional
Programming
Contest
Bucharest,
Romania
October
18,
2003
0
0
0.000%
1248
Binary Polynomials
Southeastern
European
Regional
Programming
Contest
Bucharest,
Romania
October
18,
2003
0
0
0.000%
1250
Company
Southeastern
Europe
2000
0
0
0.000%
1251
Multiple
Southeastern
Europe
2000
0
0
0.000%
1252
Girls and Boys
Southeastern
Europe
2000
0
4
0.000%
1253
Symbolic Derivation
Southeastern
Europe
2000
0
0
0.000%
1254
Rectangles
Southeastern
Europe
2000
0
0
0.000%
1255
COURSES
Southeastern
Europe
2000
0
1
0.000%
1256
Closest Common Ancestors
Southeastern
Europe
2000
0
0
0.000%
1301
Family
Southwestern
Europe
2002
0
2
0.000%
1302
Timetable
Southwestern
Europe
2002
0
0
0.000%
1303
Left labyrinths
Southwestern
Europe
2002
1
1
100.000%
1304
Servers
Southwestern
Europe
2002
0
0
0.000%
1310
Word Encoding(难度:4星)
Northwestern
Europe
2004
0
0
0.000%
1311
Watchdog
Northwestern
Europe
2004
0
0
0.000%
1312
Taxi Cab Scheme(难度:2星)
Northwestern
Europe
2004
1
5
20.000%
1313
Pseudo-random Numbers(难度:4星)
Northwestern
Europe
2004
0
1
0.000%
1314
Card Game Cheater(难度:2星)
Northwestern
Europe
2004
3
15
20.000%
1315
Investment(难度:2星)
Northwestern
Europe
2004
50
69
72.464%
1316
Pipes(难度:5星)
Northwestern
Europe
2004
1
4
25.000%
1317
SETI(难度:3星)
Northwestern
Europe
2004
0
0
0.000%
1318
Minimax Triangulation(难度:3星)
Northwestern
Europe
2004
1
3
33.333%
1359
Euro Efficiency
Northwestern
Europe
2002
1
1
100.000%
1360
Markov Trains
Northwestern
Europe
2002
0
0
0.000%
1361
Hansel and Grethel
Northwestern
Europe
2002
1
1
100.000%
1362
Floors
Northwestern
Europe
2002
0
0
0.000%
1363
The Picnic
Northwestern
Europe
2002
0
0
0.000%
1364
Pearls
Northwestern
Europe
2002
1
4
25.000%
1365
Huffman Trees
Northwestern
Europe
2002
0
0
0.000%
1366
Input
Northwestern
Europe
2002
0
0
0.000%
1398
Period
Southeastern
Europe
2004
25
73
34.247%
1400
Cave Exploration
Southeastern
Europe
2004
0
0
0.000%
1401
Cube Root
Southeastern
Europe
2004
2
13
15.385%
1403
Alibaba
Southeastern
Europe
2004
1
1
100.000%
1404
Booklets
Southeastern
Europe
2004
1
1
100.000%
1405
Count on Canton
Southeastern
Europe
2004
19
25
76.000%
1417
Divisibility
Northeastern
Europe
1999
3
4
75.000%
1419
References
Northeastern
Europe
1997
1
1
100.000%
1420
Expression
Northeastern
Europe
1999
1
1
100.000%
1421
Computer Dialogue
Northeastern
Europe
1999
0
2
0.000%
1422
Shortcut
Central
Europe
2003
0
0
0.000%
1434
Solitaire
Southwestern
Europe
2002
0
0
0.000%
1439
Invitation Cards
Central
Europe
1998
1
2
50.000%
1440
False coin
Northeastern
Europe
1998
2
3
66.667%
1444
Adding Reversed Numbers
Central
Europe
1998
6
9
66.667%
1446
Spell checker
Northeastern
Europe
1998
6
9
66.667%
1461
Triathlon
Northeastern
Europe
2000
数学
线性规划
平面半交
4
11
36.364%
1468
Vase collection
Northwestern
Europe
2003
DFS
二进制枚举
1
4
25.000%
1469
Game
Northeastern
Europe
1997
DFS
启发式合并
0
2
0.000%
1472
Ancient Cipher
Northeastern
Europe
2004
签到
排序
18
55
32.727%
1480
Unequalled Consumption
Northwestern
Europe
2005
动态规划
多重背包
生成函数
0
3
0.000%
1481
Declaration of Content
Northwestern
Europe
2005
0
0
0.000%
1482
Laserbox
Northwestern
Europe
2005
0
0
0.000%
1483
Bowlstack
Northwestern
Europe
2005
0
0
0.000%
1484
Pesky Heroes
Northwestern
Europe
2005
0
0
0.000%
1485
Reduced ID Numbers
Northwestern
Europe
2005
2
2
100.000%
1486
Tantrix
Northwestern
Europe
2005
0
0
0.000%
1487
Guardian of Decency
Northwestern
Europe
2005
1
1
100.000%
1488
Up the Stairs
Northwestern
Europe
2005
1
1
100.000%
1516
Bridging signals
Northwestern
Europe
2003
2
2
100.000%
1517
Subway tree systems
Northwestern
Europe
2003
1
1
100.000%
1521
Vase collection
Northwestern
Europe
2003
0
2
0.000%
1522
Who‘s the boss?
Northwestern
Europe
2003
1
4
25.000%
1523
Sightseeing tour
Northwestern
Europe
2003
0
0
0.000%
1560
Copying Books
Central
Europe
1998
0
0
0.000%
1561
Glass Beads
Central
Europe
1998
1
1
100.000%
1562
Piggy-Bank
Central
Europe
1999
1
1
100.000%
1563
Play on Words
Central
Europe
1999
0
0
0.000%
1565
Run Away
Central
Europe
1999
1
1
100.000%
1566
Factorial
Central
Europe
2000
5
8
62.500%
1567
I-Keyboard
Central
Europe
2000
0
0
0.000%
1568
Simple Arithmetics
Central
Europe
2000
1
3
33.333%
1569
The Bulk
Central
Europe
2000
0
0
0.000%
1570
Direct Visibility
Central
Europe
2000
0
0
0.000%
1571
Complicated Expressions
Central
Europe
2000
0
0
0.000%
1572
The Game of Master-Mind
Central
Europe
2000
0
0
0.000%
1631
Flip Game
Northeastern
Europe
2000
12
17
70.588%
1633
Robot
Central
Europe
1996
0
0
0.000%
1673
Bricks
Northeastern
Europe
2002
1
2
50.000%
1767
Crossword
Northeastern
Europe
1997
0
0
0.000%
1
2
3
4
5
6
7
8
9