Problems

ICPC World Finals - Moscow

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Cardiology	187	72	39%	0.04	68	55	81%	4.7
B	The Cost of Speed Limits	213	60	28%	0.06	41	37	90%	5.5
C	Domes	517	133	26%	0.00	84	72	86%	5.9
D	Gene Folding	577	173	30%	0.06	131	112	85%	3.6
E	Landscape Generator	430	225	52%	0.02	206	188	91%	2.9
F	Ley Lines	646	119	18%	1.11	58	56	97%	3.8
G	Opportunity Cost	297	120	40%	0.02	118	106	90%	4.0
H	QC QC	144	39	27%	0.06	29	23	79%	5.2
I	Quests	282	101	36%	0.17	54	51	94%	4.5
J	'S No Problem	216	72	33%	0.02	62	57	92%	3.9
K	Space Walls	78	39	50%	0.43	13	11	85%	6.2
L	Sweep Stakes	237	28	12%	3.61	15	11	73%	6.4
M	Trailing Digits	436	72	17%	0.00	64	55	86%	4.8
N	What's Our Vector, Victor?	86	24	28%	0.13	18	17	94%	4.8
O	Which Planet is This?!	680	126	19%	0.19	105	81	77%	6.5

2019 ICPC World Finals - Porto

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Azulejos	3263	681	21%	0.23	638	435	68%	5.1
B	Beautiful Bridges	784	158	20%	0.23	136	107	79%	5.2
C	Checks Post Facto	177	48	27%	0.00	39	27	69%	4.4
D	Circular DNA	1000	359	36%	0.03	306	265	87%	3.3
E	Dead-End Detector	1349	389	29%	0.10	318	271	85%	3.7
F	Directing Rainfall	632	81	13%	1.12	58	38	66%	6.8
G	First of Her Name	1552	362	23%	0.16	229	194	85%	5.3
H	Hobson's Trains	818	240	29%	0.09	190	162	85%	4.3
I	Karel the Robot	444	121	27%	0.17	58	51	88%	5.1
J	Miniature Golf	754	141	19%	0.79	140	96	69%	7.9
K	Traffic Blights	224	60	27%	0.03	49	42	86%	4.7

2018 ACM-ICPC World Finals - Beijing

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Catch the Plane	895	287	32%	0.50	242	204	84%	3.9
B	Comma Sprinkler	1215	363	30%	0.06	366	318	87%	4.2
C	Conquer The World	328	72	22%	0.21	64	42	66%	6.9
D	Gem Island	284	75	26%	0.04	69	60	87%	5.4
E	Getting a Jump on Crime	502	86	17%	0.01	72	59	82%	5.0
F	Go with the Flow	1164	254	22%	0.10	232	204	88%	4.2
G	Panda Preserve	1385	195	14%	0.05	96	77	80%	5.2
H	Single Cut of Failure	1074	149	14%	0.40	142	115	81%	5.7
I	Triangles	684	149	22%	1.11	125	119	95%	5.2
J	Uncrossed Knight's Tour	189	22	12%	0.00	29	19	66%	6.0
K	Wireless is the New Fiber	881	317	36%	0.01	307	280	91%	3.2

2017 ACM-ICPC World Finals - Rapid City

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Airport Construction	2894	384	13%	0.02	317	170	54%	8.0
B	Get a Clue!	278	102	37%	0.00	94	81	86%	5.8
C	Mission Improbable	1137	407	36%	0.00	369	307	83%	4.4
D	Money for Nothing	2285	330	14%	0.14	294	222	76%	6.4
E	Need for Speed	3574	1053	29%	0.00	814	745	92%	3.4
F	Posterize	1470	574	39%	0.00	439	401	91%	2.9
G	Replicate Replicate Rfplicbte	409	150	37%	0.03	103	98	95%	3.6
H	Scenery	326	62	19%	0.02	68	37	54%	7.0
I	Secret Chamber at Mount Rushmore	1813	982	54%	0.00	875	815	93%	2.4
J	Son of Pipe Stream	277	51	18%	0.03	55	44	80%	5.3
K	Tarot Sham Boast	464	120	26%	0.01	116	96	83%	5.6
L	Visual Python++	1032	166	16%	0.12	170	130	76%	6.7

2016 ACM-ICPC World Finals - Phuket

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Balanced Diet	554	178	32%	0.01	157	126	80%	6.3
B	Branch Assignment	948	254	27%	0.08	228	193	85%	4.6
C	Ceiling Function	1813	893	49%	0.00	762	692	91%	2.1
D	Clock Breaking	220	128	58%	0.00	119	113	95%	3.8
E	Forever Young	2084	331	16%	0.00	314	234	75%	6.0
F	Longest Rivers	333	81	24%	0.36	95	69	73%	8.0
G	Oil	1471	313	21%	0.48	256	205	80%	5.6
H	Polygonal Puzzle	122	27	22%	1.10	19	16	84%	7.6
I	Road Times	830	184	22%	0.04	88	78	89%	5.1
J	Spin Doctor	281	70	25%	0.20	53	44	83%	7.2
K	String Theory	730	227	31%	0.00	216	186	86%	5.5
L	Swap Space	1806	401	22%	0.16	405	317	78%	4.8
M	What Really Happened on Mars?	206	59	29%	0.00	56	48	86%	7.0

2015 ACM-ICPC World Finals - Marrakech

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Amalgamated Artichokes	1983	1010	51%	0.01	860	778	90%	2.5
B	Asteroids	709	126	18%	0.00	82	66	80%	7.1
C	Catering	833	317	38%	0.00	236	212	90%	3.9
D	Cutting Cheese	717	379	53%	0.00	309	280	91%	2.9
E	Evolution in Parallel	638	163	26%	0.02	160	129	81%	6.4
F	Keyboarding	886	308	35%	0.31	265	220	83%	5.1
G	Pipe Stream	309	62	20%	0.00	67	45	67%	7.2
H	Qanat	236	166	70%	0.00	144	136	94%	2.2
I	Ship Traffic	696	239	34%	0.03	214	197	92%	3.8
J	Tile Cutting	479	329	69%	0.16	225	214	95%	3.1
K	Tours	295	92	31%	0.00	81	66	81%	5.1
L	Weather Report	299	209	70%	0.01	192	180	94%	3.2
M	Window Manager	449	101	22%	0.00	99	85	86%	7.3

2014 ACM-ICPC World Finals - Ekaterinburg

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Baggage	368	118	32%	0.00	126	94	75%	5.3
B	Buffed Buffet	750	117	16%	0.03	96	78	81%	6.1
C	Crane Balancing	1631	235	14%	0.00	220	167	76%	4.8
D	Game Strategy	1013	298	29%	0.09	321	236	74%	5.1
E	Maze Reduction	505	153	30%	0.00	121	102	84%	6.1
F	Messenger	364	63	17%	0.10	58	49	84%	6.3
G	Metal Processing Plant	669	121	18%	0.03	118	83	70%	7.4
H	Pachinko	243	59	24%	0.14	49	38	78%	7.1
I	Sensor Network	1488	198	13%	0.00	207	133	64%	7.0
J	Skiing	104	21	20%	0.06	23	17	74%	6.6
K	Surveillance	1528	316	21%	0.08	289	208	72%	5.6
L	Wire Crossing	373	44	12%	0.02	44	34	77%	5.8

2013 ACM-ICPC World Finals - Saint Petersburg

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Self-Assembly	949	333	35%	0.00	374	265	71%	4.0
B	Hey, Better Bettor	300	116	39%	0.00	102	79	77%	7.0
C	Surely You Congest	1054	345	33%	0.10	252	225	89%	3.7
D	Factors	1756	464	26%	0.01	389	310	80%	5.7
E	Harvard	353	53	15%	0.26	76	45	59%	9.5
F	Low Power	1969	461	23%	0.11	522	382	73%	5.0
G	Map Tiles	98	28	29%	0.35	32	23	72%	9.0
H	Матрёшка	802	280	35%	0.06	249	205	82%	4.5
I	Pirate Chest	474	150	32%	0.41	133	104	78%	7.8
J	Pollution Solution	977	231	24%	0.00	215	167	78%	5.9
K	Up a Tree	136	59	43%	0.02	55	46	84%	8.0

2012 ACM-ICPC World Finals - Warsaw

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Asteroid Rangers	163	60	37%	0.09	43	35	81%	7.4
B	Curvy Little Bottles	377	188	50%	0.00	166	158	95%	3.1
C	Bus Tour	431	150	35%	0.06	132	113	86%	6.1
D	Fibonacci Words	1031	339	33%	0.00	206	177	86%	5.1
E	Infiltration	515	99	19%	0.01	100	72	72%	7.4
F	Keys	149	35	23%	0.00	37	29	78%	7.7
G	Minimum Cost Flow	125	50	40%	0.05	56	46	82%	7.3
H	Room Service	62	28	45%	0.01	16	15	94%	6.4
I	A Safe Bet	238	88	37%	0.16	67	60	90%	7.0
J	Shortest Flight Path	70	23	33%	0.15	22	16	73%	8.9
K	Stacking Plates	302	90	30%	0.00	97	78	80%	7.6
L	Takeover Wars	191	77	40%	0.03	79	69	87%	6.6

Tutorial Problems

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A Different Problem	4610	2060	45%	0.00	1736	1533	88%	2.6
Hello World!	7172	4422	62%	0.00	2590	2462	95%	1.1