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ISO C99 defined
%Lf
to outputlong double
s withprintf
.However,
printf
is implemented by C standard libraries, and some evidence show Codeforces is using old stylemsvcrt
, which does not support%Lf
.In fact,
long double
is not very useful in Codeforces. Since Codeforces usually allow answer with 10 - 6 error to be accepted, the precision oflong double
is useless.thanks orz_liuwei — you are correct.
I think you replied to the wrong thread...... Actually you want to reply this.