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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. void solve(){
  5. 	int n; double x;
  6. 	cin >> n >> x;
  7. 	double am = 0, duong = 0;
  8. 	int begin = 0, end = 0;
  9. 	for (int i = 1; i <=n ; i++ ){
  10. 		double a;
  11. 		cin >> a;
  12. 		if (a < 0) {
  13. 			if (am == 0) am = a;
  14. 		}
  15. 		else duong = a;
  16. 		if (a == x ) {
  17. 			if (begin == 0) begin = i;
  18. 			end = i;
  19. 		}
  20.  
  21. 	}
  22.  
  23. 	cout << fixed << setprecision(2) << am << ' ' << duong << endl;
  24. 	cout << begin << ' ' << end;
  25. }
  26. int main(){
  27. 	ios_base::sync_with_stdio(0);
  28. 	cin.tie(0);    cout.tie(0);
  29. 	solve();
  30. 	return 0;
  31. }
  32.  
Success #stdin #stdout 0s 5284KB
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https://ideone.com/lByP46
language:
C++14 (gcc 8.3)
created:
12 hours ago
visibility:
public

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