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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Ideone
  6. {
  7. 	public static void main (String[] args) throws java.lang.Exception
  8. 	{
  9. 		int [][] gr = new int [1001][1001]; 
  10. 		Scanner in = new Scanner(System.in);
  11. 		int n = in.nextInt(); 
  12. 		int ans = 0; 
  13. 		for (int i=0; i<n; i++) {
  14. 			for (int j=0; j<n; j++) {
  15. 				gr[i][j] =  in.nextInt(); 
  16. 			}
  17. 		}
  18. 		for (int i=0; i<n; i++) {
  19. 			int cnt = 0; 
  20. 			for (int j=0; j<n; j++) {
  21. 				if (gr[i][j] == 1) cnt++;
  22. 			}
  23. 			if (cnt==1) ans++;
  24. 		}
  25. 		System.out.println(ans);
  26. 	}
  27. }
Success #stdin #stdout 0.06s 2184192KB
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0 1 1
1 0 1
1 0 0
stdout
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1
https://ideone.com/2k3mmr
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
secret

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