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Before contest
Codeforces Round 950 (Div. 3)
45:04:13
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2-sat
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bitmasks
brute force
chinese remainder theorem
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Name
12B
Correct Solution?
implementation
,
sortings
1100
x8107
12A
Super Agent
implementation
800
x12450
11A
Increasing Sequence
constructive algorithms
,
implementation
,
math
900
x12543
10A
Power Consumption Calculation
implementation
900
x6754
9C
Hexadecimal's Numbers
brute force
,
implementation
,
math
1200
x12428
9B
Running Student
brute force
,
geometry
,
implementation
1200
x5215
9A
Die Roll
math
,
probabilities
800
x53132
8A
Train and Peter
strings
1200
x5524
7A
Kalevitch and Chess
brute force
,
constructive algorithms
1100
x6885
6C
Alice, Bob and Chocolate
greedy
,
two pointers
1200
x13088
6B
President's Office
implementation
1100
x12223
6A
Triangle
brute force
,
geometry
900
x19181
5B
Center Alignment
implementation
,
strings
1200
x5568
5A
Chat Servers Outgoing Traffic
implementation
1000
x9302
4C
Registration System
data structures
,
hashing
,
implementation
1300
x77978
4B
Before an Exam
constructive algorithms
,
greedy
1200
x23829
4A
Watermelon
brute force
,
math
800
x486781
3A
Shortest path of the king
greedy
,
shortest paths
1000
x18646
1A
Theatre Square
math
1000
x247878
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