hi! Recently I found during hack of 57024850,but though it's take 15 second in testcase t=1,n=1000000000,x=100000000 my hacks fails.
It doesn't take time limit in hacks?? Sorry for my poor English.
Thank You!!
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hi! Recently I found during hack of 57024850,but though it's take 15 second in testcase t=1,n=1000000000,x=100000000 my hacks fails.
It doesn't take time limit in hacks?? Sorry for my poor English.
Thank You!!
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umm try checking the constraints again its x<n and ur x and n are equal, it fails coz of that probs
its n=10^9,x=10^8
my bad my bad
I think it must be optimized by c++ itself
Run the code in custom invocation to see its running time in CF environment.
Try adding -O2 to your compilation flags locally, then it should be really fast.
Looks like it is fast enough, there are at most 10^10 operations, which should run in time.
10^10 operations should almost never run in time.