Some charts only consider representative submissions, which are the latest submissions (during contest time) with maximum points for each task and competitor. These are the same submissions which are directly linked to in the scoreboard. You can hide data sets by clicking on their labels.
Total points over time
Languages used(in representative submissions)
Code running time distribution(in representative submissions)
x = code runtime, y = amount of submissions
Code length distribution(in representative submissions)
x = code length in characters, y = amount of submissions