Wheelbarrow wheelbarrow wheels have five kinds of colors, each one taking a cell color change, wheelbarrow can only push forward, you can rotate in place, each taking a cell, requires a unit of time, each need a 90 degree turn units of time, turn 180 degrees and requires two units of time. Are given a 20 × 20 maze, a starting point, an end point and finish color, and asked how much time to reach at least wheelbarrow. Status: wheelbarrow where row, column, current color, direction. Other nodes in order to facilitate to reach the point with the minimum number of steps.

独轮车.cpp

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