Problems
 
 
# Name    
A
standard input/output
1 s, 256 MB
Submit  x226
B
standard input/output
1 s, 256 MB
Submit  x7
C
standard input/output
1 s, 256 MB
Submit  x46
D
standard input/output
1 s, 256 MB
Submit  x215
E
standard input/output
2 s, 512 MB
Submit  x17
F
SVM
standard input/output
3 s, 256 MB
Submit  
G
standard input/output
1 s, 256 MB
Submit  x151
H
standard input/output
1 s, 256 MB
Submit  x38
I
standard input/output
1 s, 256 MB
Submit  x227
J
standard input/output
1 s, 256 MB
Submit  x68
K
standard input/output
5 s, 256 MB
Submit  x17
L
standard input/output
1 s, 256 MB
Submit  x137
M
standard input/output
1 s, 256 MB
Submit  x146
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2020-12-07 18:00:14
Problem J. Teacher Long and Machine Learning
*****
Announcement
Note: all numbers in input are INTEGERS.
2020-11-29 17:45:27
Announcement
Problem M. Camouflage
*****

d is the area limit of each white block, not the sum area, in other words, only the white spot(s) with less than d area should be repainted.
2020-11-29 17:45:17
Announcement
Problem L. Long Long Wanna Buy
*****
Note: all numbers in input are INTEGERS.
2020-11-29 17:44:53
Announcement
Problem J. Teacher Long and Machine Learning
*****
If there are multiple answers, you can print any one.