(Idea of the problem Div2A — ScreaMood)

(Developer of the problem Div2A — DmitryGrigorev)

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(Idea of the problem Div2B — kirillbogatiy)

(Developer of the problem Div2B — DmitryGrigorev)

Code

(Idea of the problem Div1A — Mr.Hakimov)

(Developer of the problem Div1A — Mr.Hakimov)

Code

(Idea of the problem Div1B — DmitryGrigorev)

(Developer of the problem Div1B — PeregudovSergey)

Code

(Idea of the problem Div1C — ----------)

(Developer of the problem Div1C — ----------)

Code

(Idea of the problem Div1D — DmitryGrigorev)

(Developers of the problem Div1D — ---------- и DmitryGrigorev)

Code

Read this comment of saketh about another approach for this problem.

(Idea of the problem Div1E — DmitryGrigorev)

(Developer of the problem Div1E — TheWayISteppedOutTheCar)

Code