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  1. #include <iostream>
  2. #include<bits/stdc++.h>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	// your code goes here
  7. 	int n;
  8. 	cin>>n;
  9. 	vector<int> arr(n);
  10. 	int sum=0;
  11. 	for(int i=0;i<n;i++){
  12. 		cin>>arr[i];
  13. 		sum=sum+arr[i];
  14. 	}
  15. 	int ans=0;
  16. 	for(int i=0;i<n;i++){
  17. 		int size = to_string(arr[i]).size();
  18. 		int p=1;
  19. 		for(int i=0;i<size;i++){
  20. 			p=p*10;
  21.  
  22. 		}
  23. 		int val = sum*p + n*arr[i];
  24. 		ans = ans+val;
  25. 	}
  26. 	cout<<ans<<endl;
  27.  
  28. 	return 0;
  29. }
Success #stdin #stdout 0s 5320KB
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https://ideone.com/FgGtGw
language:
C++14 (gcc 8.3)
created:
2 days ago
visibility:
public

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