const SIZE = 100; var n, f, i, left, right, middle : integer; a : array[1..SIZE] of integer; begin readln(n, f); for i := 1 to n do read(a[i]); left := 1; right := n; repeat middle := (left + right) div 2; if (f <= a[middle]) then right := middle else left := middle + 1; until (left >= right); writeln(left); end.
输入：
12 17
2 4 6 9 11 15 17 18 19 20 21 25
输出：1
