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  1. import java.util.Scanner;
  2.  
  3. public class Main {
  4. public static void main(String[] args) {
  5.  
  6. Scanner sc = new Scanner(System.in);
  7. int k = sc.nextInt() ;
  8. int[] nums = {1,2,3,4,5} ;
  9. int sum = 0 ;
  10. int count=0;
  11. for(int i=0;i<nums.length;i++)
  12. { sum = 0 ;
  13. for(int j=i+1;j<nums.length;j++){
  14. sum = sum+ nums[j] ;
  15. if(sum == k){
  16. count++ ;
  17. }
  18.  
  19. }}
  20. System.out.print(count);
  21. }
  22. }
  23.  
  24.  
Success #stdin #stdout 0.13s 56628KB
stdin
5
stdout
2