My solution giving tle at test case 9, i don,t know why this happening 1423K - Lonely Numbers
plz help
My solution giving tle at test case 9, i don,t know why this happening 1423K - Lonely Numbers
plz help
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This happened to me in the contest: my accepted solution and my multiple rejected solutions differed only in the fact that I used a Fast IO configuration in the accepted solution. I suspect this is your problem. The input size (10^6) makes this a danger.
It was hugely frustrating for me at the time, especially as it was during the contest, but I suppose understanding the need with Fast IO is part of competitive programming.