Nu aveti permisiuni pentru a descarca fisierul grader_test4.in
Diferente pentru problema/police intre reviziile #7 si #6
Nu exista diferente intre titluri.
Diferente intre continut:
h2. Date de intrare
The first line of the input file $police.in$ contains 4 integers: $N$ (the number of semaphores), $R$ (the number of semaphores William can skip), $T$ (the half-period of the semaphores), and $L$ (the length of the street). The second line contains $N$ integers: the coordinates X[i].
h2. Date de ieşire The output file $police.out$ contains a single line with an integer: the minimum time in seconds that will be needed to reach the nest.
h2. Restricţii * $1 ≤ R ≤ N ≤ 10000$
