debug - c++ 这个算法哪里有问题？ 关于流感传染

Answer 1

After a cursory glance, j and k both start from 0, so [j-1][k] and [j][k-1] will fail

Answer 2

Try using a queue, breadth-first traversal, there are obviously some problems with using a for loop, for example, if you take m=1, you don’t look at the code carefully...