Problems

2019 ICPC World Finals - Porto

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Azulejos	2597	524	20%	0.23	522	352	67%	4.3
B	Beautiful Bridges	496	103	21%	0.23	91	75	82%	4.9
C	Checks Post Facto	83	30	36%	0.00	19	14	74%	4.5
D	Circular DNA	813	283	35%	0.03	245	211	86%	2.9
E	Dead-End Detector	643	210	33%	0.10	215	186	87%	3.6
F	Directing Rainfall	462	49	11%	1.12	37	22	59%	5.2
G	First of Her Name	1171	262	22%	0.16	174	150	86%	4.5
H	Hobson's Trains	431	147	34%	0.09	124	110	89%	3.8
I	Karel the Robot	322	79	25%	0.18	37	29	78%	5.8
J	Miniature Golf	558	97	17%	0.79	100	69	69%	6.7
K	Traffic Blights	157	33	21%	0.03	33	27	82%	6.0

2018 ACM-ICPC World Finals - Beijing

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Catch the Plane	771	257	33%	0.60	219	186	85%	3.6
B	Comma Sprinkler	1111	324	29%	0.06	329	285	87%	4.0
C	Conquer The World	242	56	23%	0.23	49	28	57%	7.6
D	Gem Island	229	62	27%	0.04	55	50	91%	5.5
E	Getting a Jump on Crime	418	72	17%	0.01	59	47	80%	5.4
F	Go with the Flow	1023	228	22%	0.10	206	181	88%	4.1
G	Panda Preserve	1067	112	10%	0.05	72	53	74%	4.9
H	Single Cut of Failure	920	131	14%	0.40	121	98	81%	6.2
I	Triangles	548	123	22%	1.11	103	98	95%	5.4
J	Uncrossed Knight's Tour	175	15	9%	0.00	21	12	57%	7.0
K	Wireless is the New Fiber	736	275	37%	0.01	272	246	90%	3.1

2017 ACM-ICPC World Finals - Rapid City

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Airport Construction	2540	339	13%	0.02	271	142	52%	7.4
B	Get a Clue!	230	83	36%	0.00	77	66	86%	4.8
C	Mission Improbable	972	337	35%	0.00	327	271	83%	4.4
D	Money for Nothing	1772	243	14%	0.14	236	175	74%	6.3
E	Need for Speed	3205	957	30%	0.00	753	686	91%	3.0
F	Posterize	998	417	42%	0.00	373	337	90%	2.9
G	Replicate Replicate Rfplicbte	339	121	36%	0.03	89	84	94%	3.3
H	Scenery	306	55	18%	0.02	61	30	49%	8.0
I	Secret Chamber at Mount Rushmore	1683	900	53%	0.00	801	746	93%	2.2
J	Son of Pipe Stream	242	41	17%	0.03	47	36	77%	5.3
K	Tarot Sham Boast	374	95	25%	0.01	97	79	81%	6.0
L	Visual Python++	875	144	16%	0.12	144	109	76%	6.4

2016 ACM-ICPC World Finals - Phuket

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Balanced Diet	511	164	32%	0.01	139	112	81%	5.3
B	Branch Assignment	788	206	26%	0.08	196	164	84%	4.5
C	Ceiling Function	1646	807	49%	0.00	692	635	92%	1.8
D	Clock Breaking	194	111	57%	0.00	106	101	95%	2.9
E	Forever Young	1957	306	16%	0.00	293	215	73%	5.8
F	Longest Rivers	308	75	24%	0.36	85	63	74%	7.3
G	Oil	1331	277	21%	0.48	230	180	78%	5.8
H	Polygonal Puzzle	40	14	35%	1.10	13	12	92%	4.3
I	Road Times	729	156	21%	0.04	71	63	89%	6.0
J	Spin Doctor	243	62	26%	0.20	46	38	83%	6.7
K	String Theory	700	213	30%	0.00	201	174	87%	5.2
L	Swap Space	1735	367	21%	0.16	375	290	77%	4.8
M	What Really Happened on Mars?	161	49	30%	0.00	47	39	83%	6.7

2015 ACM-ICPC World Finals - Marrakech

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Amalgamated Artichokes	1798	897	50%	0.01	768	689	90%	2.8
B	Asteroids	635	110	17%	0.00	66	55	83%	5.9
C	Catering	774	282	36%	0.00	204	184	90%	3.7
D	Cutting Cheese	606	317	52%	0.00	271	246	91%	2.9
E	Evolution in Parallel	461	143	31%	0.02	142	115	81%	5.9
F	Keyboarding	823	280	34%	0.31	237	197	83%	4.9
G	Pipe Stream	290	53	18%	0.00	59	38	64%	7.6
H	Qanat	198	146	74%	0.00	125	118	94%	2.1
I	Ship Traffic	654	215	33%	0.03	198	181	91%	3.9
J	Tile Cutting	423	283	67%	0.16	197	186	94%	2.8
K	Tours	278	83	30%	0.00	72	58	81%	5.0
L	Weather Report	256	176	69%	0.01	166	154	93%	3.0
M	Window Manager	374	90	24%	0.00	84	75	89%	6.2

2014 ACM-ICPC World Finals - Ekaterinburg

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Baggage	306	99	32%	0.00	113	81	72%	5.5
B	Buffed Buffet	686	108	16%	0.03	88	70	80%	5.7
C	Crane Balancing	1483	198	13%	0.00	197	147	75%	4.6
D	Game Strategy	922	271	29%	0.09	300	217	72%	4.8
E	Maze Reduction	469	133	28%	0.00	110	91	83%	5.3
F	Messenger	328	56	17%	0.10	53	43	81%	5.8
G	Metal Processing Plant	605	108	18%	0.03	108	75	69%	7.3
H	Pachinko	210	48	23%	0.14	42	32	76%	7.4
I	Sensor Network	1380	176	13%	0.00	185	116	63%	6.8
J	Skiing	100	18	18%	0.06	19	14	74%	5.8
K	Surveillance	1339	278	21%	0.08	264	188	71%	5.3
L	Wire Crossing	317	34	11%	0.02	37	27	73%	7.1

2013 ACM-ICPC World Finals - Saint Petersburg

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Self-Assembly	896	309	34%	0.00	351	245	70%	3.9
B	Hey, Better Bettor	268	106	40%	0.00	90	70	78%	5.9
C	Surely You Congest	923	308	33%	0.11	228	203	89%	3.6
D	Factors	1594	414	26%	0.01	353	282	80%	5.0
E	Harvard	327	52	16%	0.26	69	44	64%	8.9
F	Low Power	1875	430	23%	0.11	493	354	72%	5.1
G	Map Tiles	81	22	27%	0.35	26	18	69%	8.3
H	Матрёшка	705	239	34%	0.07	218	177	81%	4.4
I	Pirate Chest	432	138	32%	0.41	122	96	79%	7.3
J	Pollution Solution	902	207	23%	0.00	193	146	76%	6.0
K	Up a Tree	128	53	41%	0.02	50	41	82%	7.6

2012 ACM-ICPC World Finals - Warsaw

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Asteroid Rangers	119	38	32%	0.09	37	31	84%	7.0
B	Curvy Little Bottles	263	145	55%	0.00	131	123	94%	3.0
C	Bus Tour	337	119	35%	0.06	107	90	84%	6.0
D	Fibonacci Words	420	152	36%	0.00	139	118	85%	4.9
E	Infiltration	466	88	19%	0.01	85	61	72%	7.2
F	Keys	145	32	22%	0.00	35	27	77%	7.8
G	Minimum Cost Flow	118	46	39%	0.05	50	42	84%	6.2
H	Room Service	60	26	43%	0.01	14	13	93%	6.5
I	A Safe Bet	178	68	38%	0.16	53	48	91%	6.8
J	Shortest Flight Path	39	17	44%	0.15	14	11	79%	7.4
K	Stacking Plates	241	79	33%	0.00	85	67	79%	7.1
L	Takeover Wars	177	66	37%	0.03	71	61	86%	6.6

Tutorial Problems

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A Different Problem	3922	1763	45%	0.00	1509	1331	88%	2.1
Hello World!	6136	3703	60%	0.00	2181	2060	94%	1.1