Editorial for WC '18 Contest 2 J1 - Alternate Access - Olympiads Online Judge

Editorial for WC '18 Contest 2 J1 - Alternate Access

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If $A < B$ $A < B$ , then Ethan must climb upwards $B-A$ $B - A$ times, for a total energy cost of $U \times (B-A)$ $U \times (B - A)$ joules.

Otherwise (if $A > B$ $A > B$ ), he must climb downwards $A-B$ $A - B$ times, for a total energy cost of $D \times (A-B)$ $D \times (A - B)$ joules.

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