Problems

2019 ICPC World Finals - Porto

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Azulejos	1554	306	20%	0.41	405	265	65%	4.8
B	Beautiful Bridges	299	54	18%	0.31	59	46	78%	5.5
C	Checks Post Facto	63	21	33%	0.00	13	8	62%	6.1
D	Circular DNA	373	184	49%	0.06	157	146	93%	2.5
E	Dead-End Detector	513	165	32%	0.15	173	149	86%	3.4
F	Directing Rainfall	334	28	8%	1.12	20	10	50%	7.3
G	First of Her Name	808	189	23%	0.16	123	105	85%	4.7
H	Hobson's Trains	237	89	38%	0.16	81	73	90%	4.3
I	Karel the Robot	278	62	22%	0.18	22	18	82%	6.6
J	Miniature Golf	365	70	19%	0.79	73	51	70%	5.8
K	Traffic Blights	133	27	20%	0.03	23	22	96%	5.8

2018 ACM-ICPC World Finals - Beijing

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Catch the Plane	722	246	34%	0.60	208	177	85%	3.1
B	Comma Sprinkler	1084	314	29%	0.06	319	278	87%	3.5
C	Conquer The World	222	55	25%	0.23	45	27	60%	4.6
D	Gem Island	204	57	28%	0.04	51	45	88%	5.4
E	Getting a Jump on Crime	381	61	16%	0.01	56	45	80%	5.9
F	Go with the Flow	976	220	23%	0.10	198	176	89%	3.6
G	Panda Preserve	1030	97	9%	0.05	65	47	72%	6.7
H	Single Cut of Failure	821	124	15%	0.40	112	93	83%	3.7
I	Triangles	521	114	22%	1.11	95	91	96%	4.2
J	Uncrossed Knight's Tour	111	10	9%	0.00	16	9	56%	5.0
K	Wireless is the New Fiber	696	264	38%	0.01	262	237	90%	2.8

2017 ACM-ICPC World Finals - Rapid City

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Airport Construction	2397	323	13%	0.02	261	137	52%	7.4
B	Get a Clue!	200	80	40%	0.00	74	64	86%	3.8
C	Mission Improbable	932	320	34%	0.00	312	255	82%	4.2
D	Money for Nothing	1692	232	14%	0.14	223	166	74%	5.8
E	Need for Speed	3125	934	30%	0.00	730	667	91%	2.6
F	Posterize	965	398	41%	0.00	359	323	90%	2.9
G	Replicate Replicate Rfplicbte	305	118	39%	0.03	86	81	94%	3.5
H	Scenery	292	52	18%	0.02	57	27	47%	8.4
I	Secret Chamber at Mount Rushmore	1604	863	54%	0.00	769	718	93%	2.1
J	Son of Pipe Stream	237	39	16%	0.03	46	35	76%	5.4
K	Tarot Sham Boast	363	92	25%	0.01	94	76	81%	6.6
L	Visual Python++	807	134	17%	0.12	135	101	75%	6.7

2016 ACM-ICPC World Finals - Phuket

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Balanced Diet	500	159	32%	0.01	136	109	80%	4.7
B	Branch Assignment	762	197	26%	0.08	187	156	83%	4.3
C	Ceiling Function	1549	765	49%	0.00	663	606	91%	1.8
D	Clock Breaking	191	108	57%	0.00	103	98	95%	3.5
E	Forever Young	1940	298	15%	0.00	286	208	73%	5.9
F	Longest Rivers	299	72	24%	0.36	82	61	74%	7.0
G	Oil	1247	265	21%	0.48	224	174	78%	5.6
H	Polygonal Puzzle	40	14	35%	1.10	13	12	92%	4.2
I	Road Times	716	154	22%	0.04	70	62	89%	6.1
J	Spin Doctor	234	60	26%	0.20	44	37	84%	5.9
K	String Theory	683	210	31%	0.00	198	171	86%	5.2
L	Swap Space	1715	354	21%	0.16	367	283	77%	4.6
M	What Really Happened on Mars?	161	49	30%	0.00	47	39	83%	6.3

2015 ACM-ICPC World Finals - Marrakech

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Amalgamated Artichokes	1767	882	50%	0.01	753	675	90%	2.7
B	Asteroids	591	108	18%	0.00	64	53	83%	4.7
C	Catering	716	272	38%	0.00	197	177	90%	3.6
D	Cutting Cheese	602	313	52%	0.00	269	244	91%	2.7
E	Evolution in Parallel	448	139	31%	0.02	139	112	81%	5.5
F	Keyboarding	813	276	34%	0.31	232	194	84%	4.6
G	Pipe Stream	286	52	18%	0.00	57	37	65%	6.8
H	Qanat	195	143	73%	0.00	122	115	94%	2.1
I	Ship Traffic	647	211	33%	0.03	195	177	91%	3.6
J	Tile Cutting	418	278	67%	0.16	193	182	94%	2.7
K	Tours	276	81	29%	0.00	71	57	80%	4.8
L	Weather Report	241	173	72%	0.01	164	152	93%	2.8
M	Window Manager	373	89	24%	0.00	83	74	89%	6.0

2014 ACM-ICPC World Finals - Ekaterinburg

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Baggage	298	97	33%	0.00	110	79	72%	4.8
B	Buffed Buffet	662	104	16%	0.03	84	66	79%	6.4
C	Crane Balancing	1469	194	13%	0.00	192	143	74%	4.7
D	Game Strategy	914	269	29%	0.09	297	215	72%	4.9
E	Maze Reduction	420	124	30%	0.00	106	89	84%	4.6
F	Messenger	327	55	17%	0.10	52	42	81%	5.7
G	Metal Processing Plant	599	106	18%	0.03	104	73	70%	6.7
H	Pachinko	179	45	25%	0.14	40	30	75%	6.1
I	Sensor Network	1331	169	13%	0.00	178	112	63%	6.7
J	Skiing	100	18	18%	0.06	19	14	74%	5.2
K	Surveillance	1326	274	21%	0.08	260	184	71%	5.5
L	Wire Crossing	297	33	11%	0.02	35	26	74%	6.7

2013 ACM-ICPC World Finals - Saint Petersburg

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Self-Assembly	877	304	35%	0.00	346	240	69%	3.9
B	Hey, Better Bettor	266	106	40%	0.00	89	70	79%	6.3
C	Surely You Congest	896	303	34%	0.11	223	198	89%	3.4
D	Factors	1582	410	26%	0.01	349	279	80%	4.7
E	Harvard	312	49	16%	0.26	66	41	62%	8.9
F	Low Power	1868	426	23%	0.11	489	350	72%	4.7
G	Map Tiles	66	21	32%	0.35	25	17	68%	7.9
H	Матрёшка	688	231	34%	0.07	208	169	81%	4.4
I	Pirate Chest	425	135	32%	0.41	120	94	78%	7.4
J	Pollution Solution	868	203	23%	0.00	189	142	75%	6.0
K	Up a Tree	124	52	42%	0.02	48	40	83%	7.3

2012 ACM-ICPC World Finals - Warsaw

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Asteroid Rangers	113	36	32%	0.09	34	29	85%	7.7
B	Curvy Little Bottles	247	136	55%	0.00	123	115	93%	3.0
C	Bus Tour	311	109	35%	0.06	104	88	85%	6.1
D	Fibonacci Words	406	143	35%	0.00	131	110	84%	4.9
E	Infiltration	426	82	19%	0.01	81	57	70%	7.6
F	Keys	134	31	23%	0.00	33	26	79%	7.2
G	Minimum Cost Flow	93	40	43%	0.05	45	38	84%	5.7
H	Room Service	56	24	43%	0.01	13	12	92%	6.0
I	A Safe Bet	160	66	41%	0.16	50	46	92%	7.1
J	Shortest Flight Path	38	17	45%	0.15	13	11	85%	7.1
K	Stacking Plates	227	73	32%	0.00	79	61	77%	7.8
L	Takeover Wars	175	65	37%	0.03	69	60	87%	6.8

Tutorial Problems

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A Different Problem	3621	1633	45%	0.00	1427	1253	88%	2.1
Hello World!	5758	3464	60%	0.00	2036	1919	94%	1.1