Problems from The 2017 ACM-ICPC Vietnam Northern Provincial Programming Contest

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Determinant of the matrix0.00453926773%6.7Harden
Graph representation0.0111920616178%4.6Mediumen
Invariant sets0.001393391538%8.3Harden
Nasa0.01124216425%8.8Harden
Overloaded Ants0.4530879222%8.6Harden
Pairing0.005133226480%3.4Mediumen
Replacement roads0.041405493571%5.8Harden
Schedule the football tournament0.003323351954%7.0Harden
Scheduling events0.0440223017375%4.6Mediumen
Two-person game0.001248853238%8.6Harden
XOR0.0014026116362%5.8Harden