[閒聊] 程式大師請進

我要input (-2.5,0),(0.5,4),(4.5,1),(1.5,-3) (3,-2),(-3,-2),(-3,2),(3,2) 我寫 double x1, y1, x2, y2, x3, y3 x4, y4, x5, y5, x6, y6, x7, y7, x8, y8; scanf("%lf %lf %lf %lf %lf %lf %lf %lf", &x1, &y1, &x2, &y2, &x3, &y3, &x4, &y4) ; scanf("%lf %lf %lf %lf %lf %lf %lf %lf", &x5, &y5, &x6, &y6, &x7,&y7,&x8 , &y8 ); 跑出來的結果是0 為什麼輸入不進去R? 直接輸入數字沒問題 複製（）就GG 跪求大師解答 -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 223.136.64.162 (臺灣) ※ 文章網址: https://www.ptt.cc/bbs/Marginalman/M.1664941675.A.CF8.html