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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int a[5]={2,4,7,1,5};
  7. 	int b[3]={5,4,2};
  8. 	unordered_map<int,int>m;
  9. 	for(int i=0;i<5;i++){
  10. 		m[a[i]]++;
  11. 	}
  12. 	for(int i=0;i<3;i++){
  13. 		if(m[b[i]]==0){
  14. 		    cout<<"there does not exit subarray";
  15. 		    return 0;
  16. 	     }
  17. 	     m[b[i]]--;
  18.  
  19. 	}
  20. 	cout<<"there exit the subarray"<<endl;
  21.  
  22. 	return 0;
  23. }
Success #stdin #stdout 0s 5316KB
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Standard input is empty
stdout
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there exit the subarray
https://ideone.com/IT7Ksw
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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