Problems

ICPC World Finals - Moscow

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Cardiology	164	62	38%	0.04	57	47	82%	4.3
B	The Cost of Speed Limits	174	51	29%	0.06	32	30	94%	4.9
C	Domes	494	122	25%	0.00	75	66	88%	5.1
D	Gene Folding	282	100	35%	0.06	99	87	88%	4.3
E	Landscape Generator	380	194	51%	0.02	181	167	92%	2.5
F	Ley Lines	557	91	16%	1.11	50	47	94%	3.9
G	Opportunity Cost	259	101	39%	0.02	103	93	90%	3.3
H	QC QC	105	25	24%	0.07	22	17	77%	5.5
I	Quests	236	86	36%	0.17	44	42	95%	3.8
J	'S No Problem	210	67	32%	0.02	58	53	91%	4.0
K	Space Walls	62	37	60%	0.56	10	9	90%	5.6
L	Sweep Stakes	98	16	16%	3.61	12	8	67%	7.1
M	Trailing Digits	405	62	15%	0.00	55	49	89%	5.6
N	What's Our Vector, Victor?	81	21	26%	0.13	15	14	93%	5.4
O	Which Planet is This?!	634	116	18%	0.19	94	73	78%	5.8

2019 ICPC World Finals - Porto

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Azulejos	3240	672	21%	0.23	627	427	68%	4.9
B	Beautiful Bridges	705	130	18%	0.23	128	99	77%	5.7
C	Checks Post Facto	172	44	26%	0.00	37	25	68%	4.5
D	Circular DNA	990	355	36%	0.03	301	261	87%	3.2
E	Dead-End Detector	1341	385	29%	0.10	313	267	85%	3.7
F	Directing Rainfall	558	65	12%	1.12	52	33	63%	6.2
G	First of Her Name	1514	348	23%	0.16	221	187	85%	4.9
H	Hobson's Trains	807	235	29%	0.09	185	158	85%	3.9
I	Karel the Robot	435	115	26%	0.17	54	47	87%	5.6
J	Miniature Golf	724	135	19%	0.79	136	92	68%	7.6
K	Traffic Blights	190	46	24%	0.03	46	39	85%	5.5

2018 ACM-ICPC World Finals - Beijing

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Catch the Plane	893	285	32%	0.50	240	202	84%	3.9
B	Comma Sprinkler	1209	360	30%	0.06	363	315	87%	4.3
C	Conquer The World	327	71	22%	0.21	63	41	65%	6.6
D	Gem Island	283	74	26%	0.04	68	59	87%	5.8
E	Getting a Jump on Crime	490	84	17%	0.01	70	57	81%	5.5
F	Go with the Flow	1150	251	22%	0.10	228	201	88%	4.3
G	Panda Preserve	1349	191	14%	0.05	92	74	80%	4.7
H	Single Cut of Failure	1072	147	14%	0.40	140	113	81%	6.4
I	Triangles	650	139	21%	1.11	120	114	95%	6.2
J	Uncrossed Knight's Tour	188	21	11%	0.00	28	18	64%	5.6
K	Wireless is the New Fiber	877	315	36%	0.01	304	278	91%	3.2

2017 ACM-ICPC World Finals - Rapid City

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Airport Construction	2888	382	13%	0.02	312	168	54%	7.9
B	Get a Clue!	260	99	38%	0.00	91	79	87%	5.1
C	Mission Improbable	1132	405	36%	0.00	365	305	84%	4.2
D	Money for Nothing	2253	312	14%	0.14	288	216	75%	6.2
E	Need for Speed	3540	1042	29%	0.00	808	739	91%	3.3
F	Posterize	1450	569	39%	0.00	435	397	91%	2.9
G	Replicate Replicate Rfplicbte	393	143	36%	0.03	98	93	95%	4.7
H	Scenery	318	60	19%	0.02	66	35	53%	6.6
I	Secret Chamber at Mount Rushmore	1807	977	54%	0.00	870	810	93%	2.4
J	Son of Pipe Stream	276	50	18%	0.03	54	43	80%	6.2
K	Tarot Sham Boast	463	119	26%	0.01	115	95	83%	6.1
L	Visual Python++	998	164	16%	0.12	164	128	78%	6.4

2016 ACM-ICPC World Finals - Phuket

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Balanced Diet	545	174	32%	0.01	152	122	80%	5.8
B	Branch Assignment	927	247	27%	0.08	224	189	84%	4.6
C	Ceiling Function	1796	877	49%	0.00	756	686	91%	2.2
D	Clock Breaking	215	123	57%	0.00	116	110	95%	3.7
E	Forever Young	2066	325	16%	0.00	309	231	75%	5.8
F	Longest Rivers	325	80	25%	0.36	92	68	74%	7.6
G	Oil	1444	301	21%	0.48	253	202	80%	5.6
H	Polygonal Puzzle	66	26	39%	1.10	17	15	88%	6.6
I	Road Times	829	183	22%	0.04	87	77	89%	5.3
J	Spin Doctor	280	69	25%	0.20	52	43	83%	7.5
K	String Theory	725	225	31%	0.00	213	184	86%	5.4
L	Swap Space	1802	398	22%	0.16	403	315	78%	4.8
M	What Really Happened on Mars?	205	58	28%	0.00	55	47	85%	7.2

2015 ACM-ICPC World Finals - Marrakech

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Amalgamated Artichokes	1967	997	51%	0.01	849	768	90%	2.7
B	Asteroids	681	119	17%	0.00	80	64	80%	7.3
C	Catering	831	315	38%	0.00	234	210	90%	3.9
D	Cutting Cheese	690	365	53%	0.00	306	278	91%	2.9
E	Evolution in Parallel	631	160	25%	0.02	158	127	80%	6.4
F	Keyboarding	880	303	34%	0.31	262	217	83%	5.2
G	Pipe Stream	308	61	20%	0.00	66	44	67%	7.2
H	Qanat	234	164	70%	0.00	142	134	94%	2.2
I	Ship Traffic	695	238	34%	0.03	213	196	92%	4.1
J	Tile Cutting	478	328	69%	0.16	224	213	95%	3.0
K	Tours	294	91	31%	0.00	80	65	81%	5.8
L	Weather Report	296	206	70%	0.01	189	177	94%	3.4
M	Window Manager	435	98	23%	0.00	96	82	85%	7.6

2014 ACM-ICPC World Finals - Ekaterinburg

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Baggage	352	113	32%	0.00	123	91	74%	5.1
B	Buffed Buffet	717	114	16%	0.03	93	75	81%	5.8
C	Crane Balancing	1630	234	14%	0.00	219	166	76%	4.9
D	Game Strategy	1007	295	29%	0.09	318	233	73%	5.0
E	Maze Reduction	495	150	30%	0.00	119	100	84%	6.0
F	Messenger	363	62	17%	0.10	57	48	84%	6.2
G	Metal Processing Plant	665	120	18%	0.03	116	82	71%	6.9
H	Pachinko	234	57	24%	0.14	47	36	77%	6.9
I	Sensor Network	1486	196	13%	0.00	205	131	64%	7.0
J	Skiing	103	20	19%	0.06	22	16	73%	6.7
K	Surveillance	1505	313	21%	0.08	285	205	72%	5.6
L	Wire Crossing	372	43	12%	0.02	43	33	77%	5.4

2013 ACM-ICPC World Finals - Saint Petersburg

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Self-Assembly	944	330	35%	0.00	372	263	71%	4.0
B	Hey, Better Bettor	296	115	39%	0.00	99	78	79%	6.6
C	Surely You Congest	1048	342	33%	0.10	250	224	90%	4.0
D	Factors	1750	462	26%	0.01	386	308	80%	5.7
E	Harvard	352	53	15%	0.26	75	45	60%	9.4
F	Low Power	1958	456	23%	0.11	517	377	73%	5.1
G	Map Tiles	97	27	28%	0.35	31	22	71%	8.6
H	Матрёшка	784	276	35%	0.06	245	201	82%	4.3
I	Pirate Chest	463	145	31%	0.41	130	102	78%	7.6
J	Pollution Solution	970	227	23%	0.00	210	163	78%	6.2
K	Up a Tree	135	58	43%	0.02	54	45	83%	8.1

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%	7.6
B	Curvy Little Bottles	369	184	50%	0.00	162	154	95%	3.0
C	Bus Tour	430	150	35%	0.06	131	113	86%	6.1
D	Fibonacci Words	1029	338	33%	0.00	205	176	86%	5.0
E	Infiltration	514	99	19%	0.01	99	72	73%	7.3
F	Keys	149	35	23%	0.00	37	29	78%	8.1
G	Minimum Cost Flow	124	50	40%	0.05	55	46	84%	7.0
H	Room Service	62	28	45%	0.01	16	15	94%	6.4
I	A Safe Bet	233	87	37%	0.16	66	59	89%	7.1
J	Shortest Flight Path	70	23	33%	0.15	22	16	73%	8.8
K	Stacking Plates	302	90	30%	0.00	97	78	80%	7.3
L	Takeover Wars	188	75	40%	0.03	77	67	87%	7.0

Tutorial Problems

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A Different Problem	4541	2030	45%	0.00	1710	1509	88%	2.4
Hello World!	7043	4338	62%	0.00	2540	2413	95%	1.2