EbraM96's blog

By EbraM96, history, 6 years ago, In English

Problem: 279C - Ladder



The only difference is at line 66:

MLE: while(~i&&a[i]<=a[i-1])

AC: while(i&&a[i]<=a[i-1])

When i = 0 the array access a[i-1] will be invalid I get that but why does this result a MLE verdict?!

Note: while(~i) is the same as while(i!=-1)

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