Starlight: List of Problems

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Over 20,000 problems available. AMC 8/10/12 and AIME problems from 2010-2023; USAJMO/USAMO problems from 2002-2023 available. USACO problems from 2014 to 2023 (all divisions). Codeforces, AtCoder, DMOJ problems are added daily around 04:00 AM UTC, which may cause disruptions.

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ID Problem Name (click to add insights/hints, view summary of insights/hints and similar problems)
15171 DMOJ A Digit Problem
15170 DMOJ ACSL '09 Contest 3 Senior - Pinochle
15169 DMOJ ACSL '09 Contest 1 Senior - Bridge
15168 DMOJ ACSL '09 Practice P7 - Cube
15167 DMOJ ACSL '09 Practice P6 - Expression
15166 DMOJ ACSL '09 Practice P5 - Fax
15165 DMOJ ACSL '09 Practice P4 - Rank
15164 DMOJ ACSL '09 Practice P3 - Zeroes
15163 DMOJ ACSL '09 Practice P2 - Cars
15162 DMOJ ACSL '09 Practice P1 - Kansas
15161 DMOJ A Combining Problem
15160 DMOJ A Coin Problem
15159 DMOJ ACM U of T Tryouts C3 G - Office Mates
15158 DMOJ ACM U of T Tryouts C3 F - A Pleasant Stroll
15157 DMOJ ACM U of T Tryouts C3 E - A Brief Expedition
15156 DMOJ ACM U of T Tryouts C3 D - A Frightening Evening
15155 DMOJ ACM U of T Tryouts C3 C - A Subtle Surf
15154 DMOJ ACM U of T Tryouts C3 B - A Careful Reply
15153 DMOJ ACM U of T Tryouts C3 A - A Research Project
15152 DMOJ ACM U of T Tryouts C2 F - Light Cyclin'
15151 DMOJ ACM U of T Tryouts C2 E - MVP
15150 DMOJ ACM U of T Tryouts C2 D - Diablo Bot
15149 DMOJ ACM U of T Tryouts C2 C - Homemade Asteroids
15148 DMOJ ACM U of T Tryouts C2 A - The Super Mario Blues
15147 DMOJ ACM U of T Tryouts C1 F - Foxic Expressions
15146 DMOJ ACM U of T Tryouts C1 E - Foxling Feeding Frenzy
15145 DMOJ ACM U of T Tryouts C1 D - Reverse Fox Hunt
15144 DMOJ ACM U of T Tryouts C1 C - Foxhole
15143 DMOJ ACM U of T Tryouts C1 B - The Foxen's Treasure
15142 DMOJ ACM U of T Tryouts C1 A - Rock Paper Scissors Fox
15141 DMOJ ACM U of T Tryouts C0 B - Interleaving Leaves
15140 DMOJ ACM U of T Tryouts C0 A - Max Flow
15139 DMOJ Another Contest 9 Problem 5 - Satellite
15138 DMOJ Another Contest 9 Problem 4 - Alchemy
15137 DMOJ Another Contest 9 Problem 3 - Sun & Moon
15136 DMOJ Another Contest 9 Problem 2 - Counting Down the Days
15135 DMOJ Another Contest 9 Problem 1 - Black Room Boy
15134 DMOJ Another Contest 8 Problem 6 - Unnecessary Forced Reverse Trash Finesse
15133 DMOJ Another Contest 8 Problem 5 - U-Turn Finesse
15132 DMOJ Another Contest 8 Problem 4 - Up and Down
15131 DMOJ Another Contest 8 Problem 3 - Replay Double Ignition
15130 DMOJ Another Contest 8 Problem 2 - Unnecessary Trash Push
15129 DMOJ Another Contest 8 Problem 1 - Trash Push
15128 DMOJ Another Contest 7 Problem 4 - Team Assignments
15127 DMOJ Another Contest 7 Problem 3 - Network Connections
15126 DMOJ Another Contest 7 Problem 2 - Code Review
15125 DMOJ Another Contest 7 Problem 1 - Lonely Users
15124 DMOJ Another Contest 6 Problem 9 - Obligatory Wood IV Problem
15123 DMOJ Another Contest 6 Problem 8 - #define int long long
15122 DMOJ Another Contest 6 Problem 7 - Consonant or Vowel?
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