Different output of log function in C++20 and C++17
source link: http://codeforces.com/blog/entry/98173
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By un_known27, history, 106 minutes ago,
Hello Coders!
I was doing this question High School: Become Human. I had to calculate x^y and y^x and take log on both sides...x(logy) and y(logx). When I submitted my solution, it got WA on TC3...where the TC was n=6 and m=6. The answer should be '=,' but the compiler showed '<'...Code in C++17 WA on 3. So why does 6(log6) != 6(log6), according to C++17, when I submitted the code for checking the value of 6log6 in this TC. It surprised me coz now the answer was showing '='... Code in C++17 for checking. But it got failed due to the value of n1 and m1 displayed. When I tried to submit the first code using C++20, it got accepted. AC on C++20.
I tried using Long double also, but it was of no use. https://codeforces.com/contest/987/submission/140238196
Can you somehow tell me why log and C++17, C++20 behave in this strange manner and give weird output? I don't know why people are downvoting this, but if someone has the answer, do answer this. Thanks in Advance!
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