[CS Academy] Shampoo ExchangeRead more
[CS Academy] Shell GameRead more
[CS Academy] Smallest Missing NumbersRead more
[CS Academy] Smallest SubsetsRead more
[CS Academy] Soccer FieldRead more
[Codeforces] Round 582 (Div. 3) E. Two Small StringsRead more
[Codeforces] Round 583 (Div. 1 + Div. 2, based on Olympiad of Metropolises) D. Treasure IslandRead more
[Codeforces] Round 587 (Div. 3) E2. Numerical Sequence (hard version)Read more
[Codeforces] Round 587 (Div. 3) E1. Numerical Sequence (easy version)Read more
[Codeforces] Round 586 (Div. 1 + Div. 2) D. Alex and JulianRead more