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Hot problems
Educational DP Contest AtCoder I - Coins
Educational DP Contest AtCoder K - Stones
DMOPC '20 Contest 4 P1 - Missing Numbers
CCC '12 S3 - Absolutely Acidic
CCC '21 J3 - Secret Instructions
DWITE '07 R3 #4 - The Convex Fence Company
CCC '24 J5 - Harvest Waterloo
Problem
Category
Points
AC % ▾
Users
CCC '11 S1 - English or French?
CCC
5
35.6%
5759
CCCHK '15 J2 - What is the minimum area?
CCC
5
35.6%
266
CCC '09 S5 - Wireless
CCC
12p
34.8%
621
CCC '08 J1 - Body Mass Index
CCC
3
34.8%
5618
CCC '05 S3 - Quantum Operations
CCC
10p
34.8%
439
CCC '16 J2 - Magic Squares
CCC
3
34.7%
3242
CCCHK '08 J3 - Phone book
CCC
5p
34.6%
625
CCC '00 S2 - Babbling Brooks
CCC
7
34.1%
2531
CCC '12 J2 - Sounds fishy!
CCC
3
33.8%
4586
CCC '18 S1 - Voronoi Villages
CCC
3p
33.5%
3559
CCC '22 J3 - Harp Tuning
CCC
5p
33.3%
1492
CCC '14 S2 - Assigning Partners
CCC
5
33.3%
2842
CCC '07 J3 - Deal or No Deal Calculator
CCC
3
33.0%
3250
CCC '10 J3 - Punchy
CCC
5
33.0%
1397
CCC '96 S4 - When in Rome
CCC
10
33.0%
569
CCC '14 J1 - Triangle Times
CCC
3
32.9%
7471
CCC '01 S1 - Keeping Score
CCC
5
32.7%
1502
CCC '05 J4 - Cross Spiral
CCC
7p
32.6%
577
CCC '22 S5 - Good Influencers
CCC
17p
32.6%
185
CCC '04 S1 - Fix
CCC
5
32.6%
1198
CCC '04 J1 - Squares
CCC
3
32.5%
6125
CCC '96 S1 - Deficient, Perfect, and Abundant
CCC
5
32.3%
1893
CCC '23 S1 - Trianglane
CCC
5p
32.0%
1715
CCOQR '16 - Stupendous Bowties
CCC
10p
31.8%
247
CCC '99 S1 - Card Game
CCC
5
31.3%
998
CCC '07 S4 - Waterpark
CCC
7
30.9%
1499
CCC '10 J1 - What is n, Daddy?
CCC
3
30.8%
4015
CCC '12 J1 - Speed fines are not fine!
CCC
3
30.8%
5782
CCC '17 S3 - Nailed It!
CCC
7p
30.5%
1717
CCC '08 S2 - Pennies in the Ring
CCC
5
30.5%
1183
CCC '17 J3 - Exactly Electrical
CCC
3p
29.9%
2371
CCC '07 S5 - Bowling for Numbers
CCC
10p
29.9%
865
CCC '16 S1 - Ragaman
CCC
3p
29.7%
2298
CCC '20 S5 - Josh's Double Bacon Deluxe
CCC
17p
29.6%
257
CCC '97 S1 - Sentences
CCC
5
29.4%
1019
CCC '08 S3 - Maze
CCC
7
29.3%
1561
CCC '14 S4 - Tinted Glass Window
CCC
15p
29.2%
672
CCC '09 J4 - Signage
CCC
7
29.2%
685
CCC '16 J4 - Arrival Time
CCC
5
29.0%
1680
CCC '21 S2 - Modern Art
CCC
7p
29.0%
2249
CCC '01 S5 - Post's Correspondence Problem
CCC
10
28.9%
315
CCC '16 S4 - Combining Riceballs
CCC
15p
28.8%
933
CCC '03 J1 - Trident
CCC
3
28.6%
2323
CCC '22 S4 - Good Triplets
CCC
15p
28.5%
310
CCC '09 S3 - Degrees Of Separation
CCC
10
28.0%
1346
CCC '17 S2 - High Tide, Low Tide
CCC
5
27.9%
2843
CCC '11 J4 - Boring Business
CCC
7
27.8%
1508
CCC '03 S3 - Floor Plan
CCC
7
27.8%
1951
CCC '07 S2 - Boxes
CCC
5
27.5%
1210
CCC '15 J5 - π-day
CCC
10p
27.4%
1463
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