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Auto comment: topic has been updated by Darkrai3112 (previous revision, new revision, compare).
266593387.
You used C++ 17. I changed it to C++ 14 and it did compile, but it got WA on test 2.
vectorarr(n); cin>>arr; You cannot take vector input like this
theyve defined the operation in the template
my bad
In C++17 and above,
lcm
is a function in namespace std. And the compiler may have skipped your custom lcm function and try to consider thestd::lcm
. You may write like this:But
accumulate
will return a int32 type rather a int64 type, which is actually not a big problem in this case since the maximum of possible lcm in this problem won't exceed1e9
. But if you do want the function to behave as you expected, you should write like this:And another bug in your code: