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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	//vector<int> vec;
  6. 	long int N;
  7. 	cin >>N;
  8. 	long int arr[N];
  9. 	for(int i=0;i<N;i++){
  10. 		cin >> arr[i];
  11. 	}
  12. 	//vec.push_back(arr[0]);
  13. 	long int M=arr[0];
  14. 	long int ans=0;
  15. 	for(int i=1;i<N;i++){
  16. 		if(arr[i]-arr[i-1]<0){
  17. 			ans+=(arr[i-1]-arr[i]);
  18. 		}
  19. 	}
  20. 	cout << ans << '\n';
  21. }
Success #stdin #stdout 0s 5320KB
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https://ideone.com/mzEWLu
language:
C++14 (gcc 8.3)
created:
15 hours ago
visibility:
public

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