java-MT24 吃鱼
import java.util.Scanner;
public class Main {
public static void main(String[] args){
Scanner in = new Scanner(System.in);
while(in.hasNext()){
solution(in);
}
}
/**
* 模拟法
*
* 举例子找规律
*
* 示例1:
* n=3 m=4, 表示抓了3条鱼(A B C)(1 2表示正反面), 可同时煎4条鱼
* 1min: A1 B1 C1
* 2min: A2 B2 C2
*
* 示例2:
* n=4 m=3, 表示抓了4条鱼(A B C D)(1 2表示正反面), 可同时煎3条鱼
* 1min: A1 B1 C1
* 2min: D1 A2 B2
* 3min: C2 D2
*
* @param in
*/
private static void solution(Scanner in){
// n条鱼
int n = in.nextInt();
// 同时煎m条鱼
int m = in.nextInt();
int result = 0;
if(n <= m){
result = 2;
}else{
result = (int) Math.ceil((2.0*n)/m);
}
System.out.println(result);
}
}