[問題] C= =...
剛剛寫了一個計算的程式,結果很慘烈= =
0.787499*4=3.15
但我要的是
0.787499*4=3.149996
試過加上小數點(4.0),無效。
後來開一個新檔試試,cout <<0.787499*4.0;
還是3.15!
請問有甚麼方法能求得3.149996這個解嗎?
█▁▁▁▁█
▏ ▏
▏● ● ▏
▏ ▼ ▏
▏\/\/ ▏
▁▁▁▁▁▁ 熊熊!
X
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 111.240.231.193
推
10/06 21:59, , 1F
10/06 21:59, 1F
推
10/06 22:24, , 2F
10/06 22:24, 2F
推
10/06 22:34, , 3F
10/06 22:34, 3F
→
10/06 22:38, , 4F
10/06 22:38, 4F
推
10/06 22:39, , 5F
10/06 22:39, 5F
推
10/06 22:42, , 6F
10/06 22:42, 6F
→
10/06 22:58, , 7F
10/06 22:58, 7F
→
10/06 23:21, , 8F
10/06 23:21, 8F
→
10/06 23:23, , 9F
10/06 23:23, 9F
推
10/06 23:34, , 10F
10/06 23:34, 10F
推
10/07 00:36, , 11F
10/07 00:36, 11F
→
10/07 00:36, , 12F
10/07 00:36, 12F
推
10/07 01:41, , 13F
10/07 01:41, 13F
推
10/07 16:14, , 14F
10/07 16:14, 14F
推
10/07 19:55, , 15F
10/07 19:55, 15F
推
10/07 21:49, , 16F
10/07 21:49, 16F
推
10/10 21:28, , 17F
10/10 21:28, 17F
推
10/11 21:58, , 18F
10/11 21:58, 18F
推
10/13 02:02, , 19F
10/13 02:02, 19F
推
10/22 03:27, , 20F
10/22 03:27, 20F