ndatta's blog

Why WA instead of RE when my program access unalocated memory?
By ndatta, 10 years ago, In English

sub1: http://codeforces.net/contest/512/submission/9696765 sub2: http://codeforces.net/contest/512/submission/9696746

Difference between above two code in line 24. in AC submission I wrote ar[111] where n=100. In another submission I wrote ar[33]. But the second verdict is WA. Why that happen?

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10 years ago, # |
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when u access out of bounds of an array, it's not defined in c++ what will happen. undefined behavior

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