Advanced Problem Search

You can use this page to search for problems with specific properties.
Operator / FilterFeatureExample
""
Exactly match
"A+B - 2"
Problems with problem name containing "A+B - 2"
()
Priority specifier (parenthesis)
A+B (2 | 3)
Problems with problem name containing "A+B" and either "2" or "3"
-
!~
Not included ('not' operation)
-Large
Problems with problem name not containing "Large"
*s..g -@$me
Problems with problem level of Silver or more and Gold or less that I have not solved
&
All included ('and' operation)
"A+B" 2
Problems with problem name containing both "A+B" and "2"
#dp #math
Problems with both dynamic programming and math tags
|
One or more included ('or' operation)
Small | Large
Problems with problem name containing either "Small" or "Large"
#greedy | #ad_hoc
Problems with either greedy or ad hoc tags
*
tier:
Problem level
tier<int>range<tier<int>>
*b..s
Problems with level of Bronze or more and Silver or less
*g4..g1
Problems with level of Gold IV or more and Gold I or less
*0
Problems with level of Unrated or Not ratable
id:
Problem #
intrange<int>
id:1000..1099
Problems with problem # of 1000 or more and 1099 or less
s#
solved:
Solved user count
intrange<int>
s#1000..
Problems solved by 1,000 or more people
s#100..500
Problems solved by 100 or more and 500 or less people
#
tag:
Tags
string
#dp
Problems with dynamic programming tag
/
from:
Problem sources and bookmarks
string
/ucpc2022
Problems of UCPC 2022 Finals
/*favorites
Problems with bookmark ID of favorites Pro
t#
average_try:µ#
Average try count
floatrange<float>
t#3..5
Problems with average try count of 3 or more and 5 or less
%
lang:
Language
string
%ko
Problems written in Korean
@
solved_by:s@
Problems solved by user
string
@$me
Problems solved by me
@shiftpsh
Problems solved by shiftpsh
o@
solved_by_org:
Problems solved by organization Pro
string
o@sogang
Problems solved by Sogang University Pro
t@
tried_by:
Problems tried by user
string
t@$me
Problems tried by me
t@shiftpsh
Problems tried by shiftpsh
v@
voted_by:c@contributed_by:
Problems contributed by user
string
v@$me
Problems contributed by me
v@shiftpsh
Problems contributed by shiftpsh
c/
in_class:
Problems in CLASS
int
c/1
Problems in CLASS 1
e/
in_class_essentials:
Essentials in CLASS
int
e/1
Essentials in CLASS 1
s?
standard:
Standard problem
boolean
s?true
Standard problems
p?
sprout:sp?
Sprout
boolean
p?true
Sprout problems
o?
solvable:
Solvable
boolean
o?true
Solvable problems
v?
votable:c?contributable:
Contributable
boolean
v?true
Contributable problems
w?
warning:
Warning
boolean
w?true
Warning problems
v#
voted:c#contributed:
Contributed user count
intrange<int>
v#10..
Problems contributed by 10 or more people
v#1..5
Problems contributed by 1 or more and 5 or less people
**
vote_average:a*µ*
Problem level weighted average Pro
tier<float>range<tier<float>>
**b..s
Problems with level weighted average of Bronze or more and Silver or less Pro
**s4
Problems with level weighted average of Silver IV + 0.0 Pro
**g0.9..g0.5
Problems with level weighted average of Gold I + 0.1 or more and Gold I + 0.5 or less Pro
s*
vote_stdev:σ*
Problem level weighted standard deviation Pro
floatrange<float>
s*1..
Problems with level weighted standard deviation of 1 or more Pro

Input

TypeExplainationExample
intInteger value1, 2, 3
floatFloating point value1, 1.5, 3.14
booleanTrue/false value
0, f, false
False
1, t, true
True
stringStringshello, world
range<int>Range of integers
1
x = 1
1000..
x ≥ 1,000
..1000
x ≤ 1,000
3..14
3 ≤ x ≤ 14
range<float>Range of floats
1
x = 1
1.5..
x ≥ 1.5
..3.14
x ≤ 3.14
3..3.14
3 ≤ x ≤ 3.14
tier<int>Level/tier
g1
Gold I
r5
Ruby V
7
Silver IV
range<tier<int>>Range of levels/tiers
g1
x = Gold I
s
Silver V ≤ x ≤ Silver I
b1..b5
Bronze V ≤ x ≤ Bronze I
r5..r1
Ruby V ≤ x ≤ Ruby I
..p
x ≤ Platinum I
p..
x ≥ Platinum V
s1..p
Silver I ≤ x ≤ Platinum I
tier<float>Exact level/tier
g1
Gold I + 0.0
b0.5
Bronze I + 0.5
9.6
Silver I − 0.4
range<tier<float>>Range of exact levels/tiers
g1
x = Gold I + 0.0
s
Silver V − 0.5 ≤ x ≤ Silver I + 0.5
b1..b5
Bronze V + 0.0 ≤ x ≤ Bronze I + 0.0
p5.5..p5.4
Platinum V − 0.5 ≤ x ≤ Platinum V − 0.4