1

1 1 ?

2 34 5

6

7

8

91011 ?Y12 ?NYNY

13

14

15

16

17

, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

18 (input)

19.. : (majority problem)20

problemProblem instanceInput instanceSorting

21

Median and selection

22

Minimum spanning tree

23Traveling salesman problem

24Bin packing

25Primarily testing

26NOfactoring

27String matching

28Approximate string matching

29Satisfiablity

30Halting

3132 (Algorithm) 33

34

3

35 : brute force36

1 2 4 1 3 4 True

1 2 4 1 7 1 3 2 1 2 2 1 FalsehasMajority(d[1..n]) { for (i = 1; i