I tried to run this code on my machine and is giving correct answer for the 21st test case. Please check why its giving wrong answer on codeforces compiler.
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8603498 u need use long long , sorry for duplicate ur code :D
It happened to me too(I havent seen you code, but talking generally).. Sometimes my IDE (Dev C++ 5.7.1) on my laptop gives different output for test cases than the codeforces compiler!! I thought it might be because of the use of different version of compiler by Codeforces!! I dont know!! Can anyone answer this please??
You program probably does something that's undefined behaviour or compiler-depdendent. You can also look this page to reassure yourself that compiler you're using has the same flags with Codeforces's compiler.
My bad. I got it. x will overflow. Thanks :)
Do not use
long. It's machine-dependent. It's 64-bit on x86-64 but 32-bit on x86. Codeforces Judge is x86.