update

oj/bytedance-2019-spring/no4/rope.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 )
 
-const eps float64 = 0.00001
+const eps float64 = 0.0001
 
 func main() {
 	var N, M int
@@ -18,7 +18,7 @@ func main() {
 		}
 	}
 	beg, end := 0.0, float64(max)
-	for eps < end-beg {
+	for eps < end-beg { // Loop for 100 (or so) times is also valid.
 		mid := (beg + end) / 2.0
 		if solve(L, M, mid) {
 			beg = mid