1,960 unique problems
AtCoder Solutions
Browse AtCoder solutions with problem links, notes, and complete code. 1,960 unique problems are available in the library.
Showing problems 1–150 of 1,960. Every problem in this collection is available across these pages.
AtCoder · abc042_a
ABC042 A — Iroha and Haiku (ABC Edition)
Implementation & simulation · 1 language
AtCoder · abc043_a
ABC043 A — Children and Candies (ABC Edit)
Implementation & simulation · 1 language
AtCoder · abc045_b
ABC045 B — Card Game for Three (ABC Edit)
Implementation & simulation · 1 language
AtCoder · abc047_b
ABC047 B — Snuke's Coloring 2 (ABC Edit)
Implementation & simulation · 1 language
AtCoder · abc050_a
ABC050 A — Addition and Subtraction Easy
Implementation & simulation · 1 language