├── leap year.java
└── wcp.java


/leap year.java:
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 1 | import java.io.*;
 2 | import java.util.*;
 3 | import java.text.*;
 4 | import java.math.*;
 5 | import java.util.regex.*;
 6 | 
 7 | public class Solution {
 8 | 
 9 |     public static void main(String[] args) {
10 |        Scanner s=new Scanner(System.in);
11 |         int y=s.nextInt();
12 |         if(y%400==0 ||(y%4==0 && y%100!=0)){
13 |             System.out.println(y+" is a leap year");
14 |         }else {
15 |             System.out.println(y+" is not a leap year");
16 |         }
17 |     }
18 | }
19 | 


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/wcp.java:
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 1 | import java.io.*;
 2 | import java.util.*;
 3 | import java.text.*;
 4 | import java.math.*;
 5 | import java.util.regex.*;
 6 | 
 7 | public class Solution {
 8 | 
 9 |     public static void main(String[] args) {
10 |         Scanner s=new Scanner (System.in);
11 |         int t=s.nextInt();
12 |         int v=s.nextInt();
13 |         double WCF = 35.74 + (0.6215*t) + ((0.4275*t) - 35.75) * Math.pow(v,0.16);
14 |         System.out.printf("%.2f",WCF);
15 |     }
16 | }
17 | 


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