Problems
 
 
# Name    
A
standard input/output
1 s, 256 MB
Submit  x42453
B
standard input/output
2 s, 256 MB
Submit  x23259
C
standard input/output
3 s, 256 MB
Submit  x4703
D
standard input/output
3 s, 256 MB
Submit  x2472
E
standard input/output
2 s, 256 MB
Submit  x764
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2021-05-07 17:54:50
Announcement
Problem B. Nastia and a Good Array
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min(a_i,a_j)=min(x,y) means that the minimum of two elements just before the operation should be equal to the minimum of two elements right after the operation.