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850天前/* |
* To change this license header, choose License Headers in Project Properties. |
* To change this template file, choose Tools | Templates |
* and open the template in the editor. |
*/ |
package rili; |
import java.util.Scanner; |
public class fei { |
public static void main(String[] args) { |
int a[] = new int [50]; |
int T,b,c,dis; |
boolean flag = true; |
Scanner sc = new Scanner(System.in); |
T = sc.nextInt(); |
while(flag) |
{ |
T--; |
if(T<=0) |
flag = false ; |
b=sc.nextInt(); |
c=sc.nextInt(); |
dis = c-b; |
a[0] = 1; |
a[1] = 1; |
for(int i=0;i<=dis;i++){ |
if(i != 0&& i !=1) |
a[i]=a[i-1]+a[i-2]; |
} |
System.out.println(a[dis]); |
} |
} |
} |
