It happens during last Div.4↵
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In this [submission](https://codeforces.net/contest/1985/submission/265390231) in compilation log you can see only warnings, no errors, but verdict is CE↵
↵
So experimentally I figured out that an error in line 1285, ofc locally it works good with C++17:↵
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`constexpr auto darr = array<pair<int, int>, 4>{{{1, 0}, {0, 1}, {-1, 0}, {0, -1}}};`↵
↵
Will be nice if codeforces show full compilation log or somehow print errors first
↵
In this [submission](https://codeforces.net/contest/1985/submission/265390231) in compilation log you can see only warnings, no errors, but verdict is CE↵
↵
So experimentally I figured out that an error in line 1285, ofc locally it works good with C++17:↵
↵
`constexpr auto darr = array<pair<int, int>, 4>{{{1, 0}, {0, 1}, {-1, 0}, {0, -1}}};`↵
↵
Will be nice if codeforces show full compilation log or somehow print errors first
