牛吃草_二分法
摘要:Description 农夫有一个长满草的(x0, y0)为圆心,r为半径的圆形牛栏,他要将一头牛栓在坐标(x1, y1)栏桩上,但只让牛吃到一半草,问栓牛鼻的绳子应为多长? 农夫有一个长满草的(x0, y0)为圆心,r为半径的圆形牛栏,他要将一头牛栓在坐标(x1, y1)栏桩上,但只让牛吃到一半草
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Best Cow Fences_二分&&DP
摘要:Description Farmer John's farm consists of a long row of N (1 <= N <= 100,000)fields. Each field contains a certain number of cows, 1 <= ncows <= 2000
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