{"trustable":false,"sections":[{"title":"","value":{"format":"HTML","content":"康扬风知道一妹子的位置,想要抓住它。康扬风和妹子都位于数轴上,康扬风起始位于点N(0≤N≤100000),妹子位于点K(0≤K≤100000)。康扬风有两种移动方式:1、从X移动到X-1或X+1,每次移动花费一分钟2、从X移动到2*X,每次移动花费一分钟假设妹子没有意识到康扬风的行动,站在原地不动。康扬风最少要花多少时间才能抓住妹子?"}},{"title":"Input","value":{"format":"HTML","content":"两个整数,N和K。"}},{"title":"Output","value":{"format":"HTML","content":"一个整数,康扬风抓到妹子所要花费的最小分钟数。"}},{"title":"Sample Input","value":{"format":"HTML","content":"5 17"}},{"title":"Sample Output","value":{"format":"HTML","content":"4"}},{"title":"Hint","value":{"format":"HTML","content":""}}]}