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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	cin.tie(0);
  6. 	ios::sync_with_stdio(false);
  7.  
  8. 	int n, k;
  9. 	cin >> n >> k;
  10.  
  11. 	int a, b; bool res = true;
  12. 	cin >> a;
  13.  
  14. 	while (a != 0) {
  15. 		cin >> b;
  16.  
  17. 		if (b == k) {res = false;}
  18.  
  19. 		cin >> a;
  20.  
  21. 	}
  22.  
  23. 	if (res) {
  24. 		cout << "Yes";
  25. 	} else {
  26. 		cout << "No";
  27. 	}
  28. 	return 0;
  29. }
Success #stdin #stdout 0.01s 5308KB
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3 2
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Yes
https://ideone.com/V1AhbP
language:
C++ (gcc 8.3)
created:
5 days ago
visibility:
public

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