Problems
 
 
# Name    
A
abbreviation.in / abbreviation.out
2 s, 512 MB
Submit  x706
B
binary.in / binary.out
2 s, 2048 MB
Submit  x219
C
cactus.in / cactus.out
2 s, 512 MB
Submit  x113
D
delight.in / delight.out
2 s, 512 MB
Submit  x170
E
expect.in / expect.out
2 s, 512 MB
Submit  x428
F
foreign.in / foreign.out
2 s, 512 MB
Submit  x580
G
game.in / game.out
2 s, 512 MB
Submit  x128
H
hard.in / hard.out
2 s, 512 MB
Submit  x663
I
standard input/output
2 s, 512 MB
Submit  x38
J
jenga.in / jenga.out
2 s, 512 MB
Submit  x307
K
kids.in / kids.out
2 s, 512 MB
Submit  x108
L
list.in / list.out
2 s, 512 MB
Submit  x128
M
mole.in / mole.out
1 s, 128 MB
Submit  x115
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2025-06-30 13:58:08
Problem A. Abbreviation
*****
How many spaces are there in the third sample input of problem A?
There are multiple(>=2) spaces between "Oh" and "No" in the third sample input of problem A.