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  1. #include <iostream>
  2. using namespace std;
  3. int n,arr[105][105],t[105][105],l[105];
  4. int main() {
  5. 	cin>>n;
  6. 	for(int i=1;i<=n;i++){
  7. 		int k;
  8. 		cin>>k;
  9. 		for(int j=1;j<=k;j++){
  10. 			cin>>arr[i][j];
  11. 			t[arr[i][j]][l[arr[i][j]]+1]=i;
  12. 			l[arr[i][j]]++;
  13. 		}
  14. 	}
  15. 	for(int i=1;i<=n;i++){
  16. 		cout<<l[i]<<" ";
  17. 		for(int j=1;j<=l[i];j++){
  18. 			cout<<t[i][j]<<" ";
  19. 		}
  20. 		cout<<"\n";
  21. 	}
  22. 	return 0;
  23. }
Success #stdin #stdout 0s 5312KB
comments (?)
stdin
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7
1 3
4 3 4 6 7
1 7
3 2 6 7
2 3 7
1 4
1 5
stdout
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0 
1 4 
3 1 2 5 
2 2 6 
1 7 
2 2 4 
4 2 3 4 5
https://ideone.com/147VjE
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

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