Problems

2019 ICPC World Finals - Porto

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Azulejos	2738	558	20%	0.23	540	365	68%	4.2
B	Beautiful Bridges	538	110	20%	0.23	97	80	82%	4.9
C	Checks Post Facto	106	32	30%	0.00	22	15	68%	4.3
D	Circular DNA	858	295	34%	0.03	258	220	85%	3.0
E	Dead-End Detector	1124	324	29%	0.10	258	222	86%	3.5
F	Directing Rainfall	475	51	11%	1.12	40	24	60%	4.9
G	First of Her Name	1248	282	23%	0.16	184	157	85%	4.2
H	Hobson's Trains	735	204	28%	0.09	154	133	86%	3.7
I	Karel the Robot	349	84	24%	0.18	41	34	83%	4.9
J	Miniature Golf	587	102	17%	0.79	107	72	67%	6.5
K	Traffic Blights	167	36	22%	0.03	35	29	83%	5.9

2018 ACM-ICPC World Finals - Beijing

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Catch the Plane	803	271	34%	0.50	223	190	85%	3.6
B	Comma Sprinkler	1117	328	29%	0.06	332	288	87%	4.0
C	Conquer The World	248	60	24%	0.21	51	31	61%	7.5
D	Gem Island	229	62	27%	0.04	55	50	91%	5.6
E	Getting a Jump on Crime	418	72	17%	0.01	59	47	80%	5.4
F	Go with the Flow	1047	230	22%	0.10	208	183	88%	4.1
G	Panda Preserve	1119	118	11%	0.05	75	56	75%	4.9
H	Single Cut of Failure	925	131	14%	0.40	123	98	80%	6.4
I	Triangles	553	123	22%	1.11	104	98	94%	5.5
J	Uncrossed Knight's Tour	179	17	9%	0.00	23	14	61%	6.4
K	Wireless is the New Fiber	767	280	37%	0.01	276	250	91%	3.1

2017 ACM-ICPC World Finals - Rapid City

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Airport Construction	2566	340	13%	0.02	276	143	52%	7.5
B	Get a Clue!	230	83	36%	0.00	77	66	86%	4.9
C	Mission Improbable	978	338	35%	0.00	329	272	83%	4.5
D	Money for Nothing	1825	249	14%	0.14	238	177	74%	6.4
E	Need for Speed	3291	971	30%	0.00	763	695	91%	3.1
F	Posterize	1011	426	42%	0.00	380	343	90%	3.0
G	Replicate Replicate Rfplicbte	339	121	36%	0.03	89	84	94%	3.3
H	Scenery	306	55	18%	0.02	61	30	49%	7.6
I	Secret Chamber at Mount Rushmore	1706	914	54%	0.00	814	758	93%	2.3
J	Son of Pipe Stream	242	41	17%	0.03	47	36	77%	5.3
K	Tarot Sham Boast	376	96	26%	0.01	98	80	82%	6.0
L	Visual Python++	875	144	16%	0.12	144	109	76%	6.5

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%	5.5
B	Branch Assignment	791	207	26%	0.08	197	165	84%	4.6
C	Ceiling Function	1671	812	49%	0.00	699	637	91%	1.9
D	Clock Breaking	196	112	57%	0.00	107	102	95%	3.0
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	1333	278	21%	0.48	231	181	78%	5.7
H	Polygonal Puzzle	40	14	35%	1.10	13	12	92%	4.6
I	Road Times	743	162	22%	0.04	72	64	89%	5.6
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	1740	369	21%	0.16	378	292	77%	4.8
M	What Really Happened on Mars?	176	51	29%	0.00	49	41	84%	6.7

2015 ACM-ICPC World Finals - Marrakech

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Amalgamated Artichokes	1817	909	50%	0.01	779	700	90%	2.8
B	Asteroids	638	111	17%	0.00	68	56	82%	6.5
C	Catering	775	283	37%	0.00	205	185	90%	3.8
D	Cutting Cheese	607	318	52%	0.00	272	247	91%	2.9
E	Evolution in Parallel	463	145	31%	0.02	143	116	81%	5.9
F	Keyboarding	827	282	34%	0.31	238	198	83%	4.9
G	Pipe Stream	295	55	19%	0.00	60	39	65%	7.6
H	Qanat	211	152	72%	0.00	129	122	95%	2.1
I	Ship Traffic	654	215	33%	0.03	198	181	91%	4.0
J	Tile Cutting	429	286	67%	0.16	200	189	94%	2.8
K	Tours	279	84	30%	0.00	73	59	81%	5.0
L	Weather Report	261	180	69%	0.01	168	156	93%	3.0
M	Window Manager	376	90	24%	0.00	85	75	88%	6.2

2014 ACM-ICPC World Finals - Ekaterinburg

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Baggage	307	100	33%	0.00	114	82	72%	5.5
B	Buffed Buffet	691	109	16%	0.03	89	71	80%	5.7
C	Crane Balancing	1491	199	13%	0.00	199	148	74%	4.6
D	Game Strategy	922	271	29%	0.09	300	217	72%	4.9
E	Maze Reduction	474	135	28%	0.00	112	93	83%	5.3
F	Messenger	328	56	17%	0.10	53	43	81%	5.8
G	Metal Processing Plant	607	109	18%	0.03	108	75	69%	7.3
H	Pachinko	211	49	23%	0.14	43	33	77%	7.4
I	Sensor Network	1387	177	13%	0.00	186	117	63%	6.8
J	Skiing	101	19	19%	0.06	20	15	75%	5.8
K	Surveillance	1340	278	21%	0.08	265	188	71%	5.4
L	Wire Crossing	318	35	11%	0.02	38	28	74%	7.2

2013 ACM-ICPC World Finals - Saint Petersburg

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Self-Assembly	897	310	35%	0.00	352	246	70%	3.9
B	Hey, Better Bettor	270	107	40%	0.00	90	71	79%	6.2
C	Surely You Congest	924	309	33%	0.11	229	204	89%	3.7
D	Factors	1609	417	26%	0.01	358	285	80%	5.1
E	Harvard	329	52	16%	0.26	70	44	63%	9.0
F	Low Power	1883	434	23%	0.11	496	357	72%	5.2
G	Map Tiles	83	23	28%	0.35	28	19	68%	8.4
H	Матрёшка	709	240	34%	0.07	219	178	81%	4.4
I	Pirate Chest	432	138	32%	0.41	122	96	79%	7.4
J	Pollution Solution	905	210	23%	0.00	194	148	76%	6.0
K	Up a Tree	128	53	41%	0.02	50	41	82%	7.5

2012 ACM-ICPC World Finals - Warsaw

		Submissions				Users
#	Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A	Asteroid Rangers	142	51	36%	0.09	37	31	84%	7.0
B	Curvy Little Bottles	276	149	54%	0.00	135	127	94%	3.0
C	Bus Tour	346	121	35%	0.06	109	92	84%	6.2
D	Fibonacci Words	429	154	36%	0.00	140	120	86%	4.9
E	Infiltration	466	88	19%	0.01	85	61	72%	7.3
F	Keys	145	32	22%	0.00	35	27	77%	7.8
G	Minimum Cost Flow	118	46	39%	0.05	50	42	84%	6.4
H	Room Service	60	26	43%	0.01	14	13	93%	6.6
I	A Safe Bet	178	68	38%	0.16	53	48	91%	6.9
J	Shortest Flight Path	39	17	44%	0.15	14	11	79%	7.4
K	Stacking Plates	278	82	29%	0.00	88	70	80%	7.2
L	Takeover Wars	177	66	37%	0.03	71	61	86%	6.7

Tutorial Problems

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A Different Problem	4017	1785	44%	0.00	1526	1346	88%	2.3
Hello World!	6257	3770	60%	0.00	2218	2097	95%	1.2