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  1. #include <iostream>
  2. #include <algorithm>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int n,t,a[3000],c,ans;
  7. 	for(cin >> t;t--;) {
  8. 		cin >> n;
  9. 		for(int i=0;i<n;++i)
  10. 			cin >> a[i];
  11. 		c = 0;
  12. 		ans = -1;
  13. 		for(int i = 1; i < n; ++i) 
  14. 			if(a[i-1] + 1 == a[i]) {
  15. 				cout << "=";
  16. 				c++;
  17.  
  18. 			}
  19. 			else {
  20. 				cout << "_";
  21. 				ans = max(ans, c);
  22. 				c = 0;
  23. 			}
  24. 		cout << endl;
  25. 		cout << ans + 1 << endl;
  26. 	}
  27.  
  28. 	return 0;
  29. }
Success #stdin #stdout 0.01s 5316KB
comments (?)
stdin
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6
1
4
5
0 1 1 2 3
2
1 1
4
4 2 3 6
5
2 4 1 0 -1
6
-1 1 2 3 5 6
stdout
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0
=_==
2
_
1
_=_
2
____
1
_==_=
3
https://ideone.com/bfJftX
language:
C++ (gcc 8.3)
created:
1 hour ago
visibility:
public

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