Diferente pentru problema/police intre reviziile #3 si #4

Nu exista diferente intre titluri.

Diferente intre continut:

This street is $L$ meters long, and currently William is at $x=0$, trying to reach his nest at $x=L$.
Along this street there are $N$ semaphores at positions $X_i$.
Along this street there are $N$ semaphores at positions $X[i]$.
All the traffic lights are synchronized: at $t=0$ the green triggers, and will stay green for $T$ seconds; at $t=T$ the red triggers, and will stay red for $T$ seconds; and then the cycle repeats.

Nu exista diferente intre securitate.

Topicul de forum nu a fost schimbat.