Ryuuji_Nakamura's blog

Why is my code working on my machine but not on Codeforces?
By Ryuuji_Nakamura, history, 14 months ago, In English

My submission (https://mirror.codeforces.com/contest/1948/submission/307669384) is giving the correct output (at least for the first 10 elements on test 2) on my laptop, but not on Codeforces. I don't understand why.

I have attached the image of my output too so you all can see!

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14 months ago, hide # |
 
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        if (i == 0 && isAscending(v[i])) { 
            v[i] %= 10;  // Keep only the last digit if it's ascending
        } else {
            if (v[i] >= v[i - 1]) {

UB if i == 0 && !isAscending(v[i])

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