ZSTUOJ

题目编号	标题	来源/分类	解决	提交
1022	Integer Inquiry	East Central North America 1996 zjo1292	369	1556
1035	To and Fro	East Central North America 2004,zoj22	310	497
1036	Function Run Fun	Pacific Northwest 1999,zoj11	176	392
1042	Vase Collection	Northweste Europe 2003,zoj19	14	26
1046	Increasing Sequences	East Central North America 2002,zoj14	13	44
1056	Mapping the Route	North Central Regionals 1997	2	4
1057	Is It A Tree?	1997-98 North Central Regionals	166	413
1058	Doing Windows	1997-98 North Central Regionals	2	6
1059	Numerically Speaking	1997-98 North Central Regionals	64	99
1210	Numbers That Count	East Central North America 1998	5	17
1211	Number Game	North-West Europe 2001,CTU FEE Local 2004	0	0
1259	Word Reversal	East Central North America 1999, Practice	397	856
1265	Biorhythms	East Central North America 1999; Pacific Northwest 1999	1200	2786
1291	Caterpillar	East Central North America 2006	1	3
1292	Hie with the Pie	East Central North America 2006	8	8
1293	Mahershalalhashbaz, Nebuchadnezzar, and Billy Bob Benjamin Go to the Regionals	East Central North America 2006	1	1
1294	The Mastermind Master's Mind	East Central North America 2006	0	0
1295	Plaque Pack	East Central North America 2006	0	0
1296	Roofing It	East Central North America 2006	0	0
1297	Snakes on a Plane	East Central North America 2006	0	0
1298	Stake Your Claim	East Central North America 2006	0	0
1318	ASCII Art	Northeaste Europe 2006	0	1
1319	Billing Tables	Northeaste Europe 2006	0	0
1320	Cellular Automaton	Northeaste Europe 2006	3	8
1321	Exchange	Northeaste Europe 2006	0	0
1322	Fool's Game	Northeaste Europe 2006	0	0
1323	Java vs C++	Northeaste Europe 2006	12	39
1324	Kickdown	Northeaste Europe 2006	1	1
1365	Sudoku	Northweste Europe 2006	3	9
1366	The SetStack Computer	Northweste Europe 2006	2	8
1367	Ticket to Ride	Northweste Europe 2006	1	2
1368	The Bookcase	Northweste Europe 2006	3	9
1369	Printer Queue	Northweste Europe 2006	10	14
1370	Prime Path	Northweste Europe 2006	26	37
1371	Leonardo's Notebook	Northweste Europe 2006	17	56
1421	A Mathematical Curiosity	Problem Source: East Central North America 1999, Practice	460	1294
1422	Tournament Seeding	East Central North America 1999, Practice	4	13
1423	Niven Numbers	East Central North America 1999, Practice	205	750
1425	Triangle War	East Central North America 1999	0	1
1426	Unscrambling Images	East Central North America 1999	0	0
1427	A Plug for UNIX	East Central North America 1999	33	59
1428	Treasure Hunt	East Central North America 1999	18	35
1429	487-3279	East Central North America 1999	36	125
1430	Gone Fishing	East Central North America 1999	478	895
1431	The Same Game	East Central North America 1999	1	1
1467	Lining Up	East Central North America 1994	73	171
1468	Simply Syntax	East Central North America 1994	8	9
1469	TEX Quotes	East Central North America 1994	89	169
1470	Jack Straws	East Central North America 1994	2	5
1471	Cat and Mouse	East Central North America 1994	0	0
1472	Expanding Fractions	East Central North America 1994	13	25
1473	Egyptian Multiplication	East Central North America 1994	1	1
1474	Cabinets	East Central North America 1994	0	0
1475	Keeps Going and Going and ...	East Central North America 1998	0	0
1476	Scheduling Lectures	East Central North America 1998	13	23
1477	Counterfeit Dollar	East Central North America 1998	824	1390
1478	Metal Cutting	East Central North America 1998	3	5
1479	Parallel Deadlock	East Central North America 1998	0	0
1480	DNA Sorting	East Central North America 1998	142	278
1481	What's In A Name?	East Central North America 2001	6	6
1482	Sorting It All Out	East Central North America 2001	33	50
1483	Web Navigation	East Central North America 2001	25	33
1484	Trees Made to Order	East Central North America 2001	10	10
1485	Space Station Shielding	East Central North America 2001	0	0
1486	Roads Scholar	East Central North America 2001	0	0
1487	Robots	East Central North America 2001	0	0
1488	Square Ice	East Central North America 2001	10	22
1564	Coconuts, Revisited	North Central North America 1997	27	46
1565	Nonstop Travel	North Central North America 1997	1	18
1566	Unequalled Consumption	Northweste Europe 2005	0	0
1567	Declaration of Content	Northweste Europe 2005	0	0
1568	Laserbox	Northweste Europe 2005	0	0
1569	Bowlstack	Northweste Europe 2005	0	0
1570	Pesky Heroes	Northweste Europe 2005	0	0
1571	Reduced ID Numbers	Northweste Europe 2005	3	3
1572	Tantrix	Northweste Europe 2005	0	0
1573	Guardian of Decency	Northweste Europe 2005	9	20
1574	Up the Stairs	Northweste Europe 2005	1	1
1583	Area	Northweste Europe 2001	24	45
1584	Ambiguous Dates	Northweste Europe 2001	0	0
1585	Cog-Wheels	Northweste Europe 2001	0	3
1586	Cube	Northweste Europe 2001	0	0
1587	Enigma	Northweste Europe 2001	0	0
1588	Gridland	Northweste Europe 2001	53	71
1589	T9	Northweste Europe 2001	19	35
1590	Signal Box	Northweste Europe 2001	0	0
1591	A Duckpin Tournament	Pacific Northwest 1997	0	0
1592	The Path	Pacific Northwest 1997	0	0
1593	What Day Is It?	Pacific Northwest 1997	10	101
1594	Parking Lot	Pacific Northwest 1997	0	0
1595	The Boggle Game	Pacific Northwest 1997	0	0
1596	BULK MAILING	Pacific Northwest 1998	0	0
1597	Chutes and Ladders	Pacific Northwest 1998	0	0
1598	IMMEDIATE DECODABILITY	Pacific Northwest 1998	29	48
1599	FILE MAPPING	Pacific Northwest 1998	0	0
1600	STAMPS	Pacific Northwest 1998	7	11
1601	Square Cipher	Pacific Northwest 1999	0	0
1602	String Matching	Pacific Northwest 1999	10	13
1669	Pi	East Central North America 1995	84	133
1670	Up and Down Sequences	East Central North America 1995	1	1
1671	Machined Surfaces	East Central North America 1995	3	3
1672	LED Test	East Central North America 1995	1	1
1673	Word Index	East Central North America 1995	27	41
1674	Molecules	East Central North America 1995	2	4
1675	Table	Northeaste Europe 1996	0	1
1676	Black Box	Northeaste Europe 1996	6	7
1677	Parallelepiped walk	Northeaste Europe 1996	7	25
1678	Random number	Northeaste Europe 1996	4	9
1679	Moscow Time	Northeaste Europe 1996	1	4
1680	References	Northeaste Europe 1997	0	0
1681	Sum of powers	Northeaste Europe 1997	1	1
1682	Game	Northeaste Europe 1997	3	8
1683	Crossword	Northeaste Europe 1997	2	5
1684	Puncher	Northeaste Europe 1997	0	0
1685	Flying Stars	Northeaste Europe 1997	0	0
1686	False coin	Northeaste Europe 1998	14	14
1687	Rating	Northeaste Europe 1998	0	0
1688	Fence	Northeaste Europe 1998	7	9
1689	Parliament	Northeaste Europe 1998	15	25
1690	Spell checker	Northeaste Europe 1998	13	20
1691	Gangsters	Northeaste Europe 1998	33	75
1692	Divisibility	Northeaste Europe 1999	119	278
1693	Loan	Northeaste Europe 1999	0	0
1694	Expression	Northeaste Europe 1999	0	0
1695	Computer Dialogue	Northeaste Europe 1999	0	0
1696	Lock Manager	Northeaste Europe 1999	0	0
1697	Dictionary	Northeaste Europe 1999	3	4
1698	Flip Game	Northeaste Europe 2000	42	78
1699	Buffer Manager	Northeaste Europe 2000	0	0
1700	Triathlon	Northeaste Europe 2000	15	28
1701	Binary Search	Northeaste Europe 2000	11	33
1702	Frontier	Northeaste Europe 2000	0	0
1703	Garland	Northeaste Europe 2000	2	5
1704	Disk Tree	Northeaste Europe 2000	0	0
1705	Sum	Northeaste Europe 2000 Practice	470	803
1706	Cable master	Northeaste Europe 2001	12	42
1707	Wall	Northeaste Europe 2001	43	61
1708	Chemical Reactions	Northeaste Europe 2001	1	2
1709	Library	Northeaste Europe 2001	1	1
1710	Pairs of Integers	Northeaste Europe 2001	14	29
1711	Amusing Numbers	Northeaste Europe 2002	1	2
1712	Bricks	Northeaste Europe 2002	48	192
1713	Decoding Task	Northeaste Europe 2002	0	0
1714	Inlay Cutters	Northeaste Europe 2002	293	392
1715	Brackets Removal	Northeaste Europe 2005	11	25
1716	Cactus	Northeaste Europe 2005	0	0
1717	Exploring Pyramids	Northeaste Europe 2005	0	0
1718	Hardwood Cutting	Northeaste Europe 2005	0	0
1719	IP Networks	Northeaste Europe 2005	12	23
1720	Joseph's Problem	Northeaste Europe 2005	19	87
1963	Matching Meetings	East Central North America 1996	0	0
1964	Supercomputer Selection, The Sequel	East Central North America 1996	0	0
1965	Polygonal Puzzle	East Central North America 1996	0	0
1966	Word-Search Wonder	East Central North America 1996	2	6
1967	MPI Maelstrom	East Central North America 1996	24	25
2125	Mersenne Composite Numbers	Pacific Northwest 2004	7	8
2126	Zipper	Pacific Northwest 2004	121	326
2127	Lenny's Lucky Lotto Lists	Pacific Northwest 2004	16	32
2128	Stacking Cylinders	Pacific Northwest 2004	3	4
2129	Going Home	Pacific Northwest 2004	43	50
2130	Specialized Four-Digit Numbers	Pacific Northwest 2004	116	159
2131	Jill's Tour Paths	Pacific Northwest 2004	14	38
2132	Boundaries on	Pacific Northwest 2004	0	8
2133	Rate of Return	Pacific Northwest 2004	0	0
2134	A Card Trick	Pacific Northwest 2004	0	0
2222	Picnic Planning	East Central North America 2000	8	8
2223	Poly-polygonal Numbers	East Central North America 2000	0	0
2224	Rational Approximation	East Central North America 2000	0	0
2225	Stacking Cubes	East Central North America 2000	0	0
2226	Checker's Check	East Central North America 2000	0	0
2227	To Bet or Not To Bet	East Central North America 2000	0	0
2228	BSP Trees	East Central North America 2000	0	0
2229	Double Trouble	East Central North America 2000	4	4
2230	Ride My Bicycle	East Central North America 2000, Practice	4	5
2231	Counting Sheep	East Central North America 2000, Practice	100	161
2232	Sequence	East Central North America 2000, Practice	20	44
2233	Untidy Desktops	East Central North America 2000, Practice	0	0
2234	The Worm Turns	East Central North America 2001, Practice	0	0
2235	Undercut	East Central North America 2001, Practice	143	301
2236	Currency Exchange	East Central North America 2001, Practice	43	78
2237	Ball Toss	East Central North America 2002	0	0
2238	Galactic Breakup	East Central North America 2002	0	0
2239	Pre-Post-erous!	East Central North America 2002	3	3
2240	Knockout Tournament	East Central North America 2002	0	0
2241	Plugged In	East Central North America 2002	0	0
2242	One Person	East Central North America 2002	4	4
2243	Slots of Fun	East Central North America 2002	0	0
2244	Climbing Worm	East Central North America 2002 practice	1713	2248
2245	Stacking Tower	East Central North America 2002 Practice	19	49
2246	Best Fit	East Central North America 2002 Practice	3	3
2247	Crypto Columns	East Central North America 2003	4	5
2248	Decorations	East Central North America 2003	2	15
2249	EKG Sequence	East Central North America 2003	0	0
2250	Phone Home	East Central North America 2003	0	0
2251	Polly Nomials	East Central North America 2003	0	0
2252	Pushing Boxes	East Central North America 2003	0	0
2253	Squadtrees	East Central North America 2003	0	1
2254	This Takes the Cake	East Central North America 2003	0	0
2255	Euchre Results	East Central North America 2003, Practice	43	50
2256	Least Common Multiple	East Central North America 2003, Practice	1199	2310
2257	Granny's Bike	East Central North America 2003, Practice	2	6
2258	Alphacode	East Central North America 2004	18	36
2259	Anti-prime Sequences	East Central North America 2004	21	36
2260	Hit or Miss	East Central North America 2004	0	0
2261	I Conduit!	East Central North America 2004	1	1
2262	Roll Playing Games	East Central North America 2004	0	0
2263	Team Rankings	East Central North America 2004	56	103
2264	Translations	East Central North America 2004	0	0
2265	Disputed Claims	East Central North America 2004, Practice	46	89
2266	Palindrome Problem El Borpem Ord Nilap	East Central North America 2004, Practice	74	125
2267	Simple Statistics	East Central North America 2004, Practice	0	0
2268	ACM(ACronymMaker)	East Central North America 2005	0	0
2269	Countdown	East Central North America 2005	0	0
2270	The Game of Efil	East Central North America 2005	0	0
2271	Queens, Knights and Pawns	East Central North America 2005	7	9
2272	Reliable Nets	East Central North America 2005	0	0
2273	Square Count	East Central North America 2005	0	0
2274	Swamp Things	East Central North America 2005	0	0
2275	Two Ends	East Central North America 2005	5	7
2538	Bridging signals	Northweste Europe 2003	69	131
2716	Word Reversal	East Central North America 1999, Practice	203	405
2794	Rock, Paper, or Scissors?	Pacific Northwest 2007	75	111
2795	Missile Command	Pacific Northwest 2007	0	1
2796	Palindromic Primes Category in Jeopardy!	Pacific Northwest 2007	11	85
2797	Pebbles	Pacific Northwest 2007	0	0
2798	Rubik's Cube	Pacific Northwest 2007	1	1
2799	Geek Challenge [SKRZAT] (Base Minus Two)	Pacific Northwest 2007	33	66
2800	Frogger	Pacific Northwest 2007	0	2
2801	“Bubble Gum, Bubble Gum, in the dish, how many pieces do you wish?”	Pacific Northwest 2007	39	67
2802	Games R Us	Pacific Northwest 2007	0	0
2803	Cover Up	Pacific Northwest 2007	0	0
2804	Bridged Marble Rings	Pacific Northwest 2007	0	0
2814	Assemble	Northweste Europe 2007	3	3
2815	March of the Penguins	Northweste Europe 2007	21	27
2816	Containers	Northweste Europe 2007	0	0
2817	Escape from Enemy Territory	Northweste Europe 2007	4	11
2818	Summits	Northweste Europe 2007	1	1
2819	Obfuscation	Northweste Europe 2007	5	9
2820	Tower Parking	Northweste Europe 2007	3	4
2821	Walk	Northweste Europe 2007	0	0
2975	Equilibrium Mobile	Northweste Europe 2008	5	12
2976	Proving Equivalences	Northweste Europe	21	35
2977	Cat vs. Dog	Northweste Europe 2008	23	43
2978	Disgruntled Judge	Northweste Europe 2008	26	38
2979	Easy Climb	Northweste Europe 2008	5	24
2980	Sculpture	Northweste Europe 2008	0	2
2981	Matchsticks	Northweste Europe 2008	25	58
2982	White Water Rafting	Northweste Europe 2008	12	28
2983	Shuffle	Northweste Europe 2008	10	21
2984	Videopoker	Northweste Europe 2008	1	6
3060	Blind Walk	Northeaste European 2008	0	0
3061	Clock	Northeaste European 2008	0	3
3062	Drive through MegaCity	Northeaste European 2008	0	0
3063	Exclusive Access	Northeaste European 2008	0	0
3459	The Agency	East Central North America 2011	8	15
3460	Chain of Fools	East Central North America 2011	6	10
3461	Condorcet Winners	East Central North America 2011	4	22
3462	Everyone out of the Pool	East Central North America 2011	23	90
3481	Automated Telephone Exchange	NEERC 2011, Northern Subregiona	35	54
3482	Black Square	NEERC 2011, Northern Subregiona	30	72
3483	Cube Coloring	NEERC 2011, Northern Subregiona	8	9
3484	Dice	NEERC 2011, Northern Subregiona	9	27
3485	Electrification	NEERC 2011, Northern Subregiona	16	17
3486	Flat	NEERC 2011, Northern Subregiona	15	34
3487	Galaxy Interconnection	NEERC, Northern Subregiona	10	11
3488	High security	NEERC 2011, Northern Subregiona	5	7
3489	Immediate Delivery	NEERC 2011, Northern Subregiona	2	3
3490	John’s Inversions	NEERC 2011, Northern Subregiona	5	16
3491	Kids Like Cakes	NEERC 2011, Northern Subregiona	2	2
3701	Cut It Out!	East Central North America 2010	7	38
3703	Flip It!	East Central North America 2010	17	94
3705	Maze	East Central North America 2010	2	4
3706	Photo Shoot	East Central North America 2010	7	37