[ACM ] 10341 cout.precision和.4lf的問題
題號:10341
遇到的問題:同樣的code用cout.precision(4)
http://gist.github.com/313613這樣會WA
但是用printf("%.4lf", mid+1e-8)就會AC
為什麼咧找API也看不出其中的歧異
兩者手動測試印出來結果都一樣啊QQ
有問題的code:
cout << mid+1e-8 << "\n";
printf("%.4lf\n", mid+1e-8);
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