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  1. #include <bits/stdc++.h>
  2. #include <string.h>
  3. using namespace std;
  4. #define ll long long
  5.  
  6. int main() {
  7. 	ll t,a,temp,ans=0;
  8. 	cin>>t;
  9. 	cin>>temp;
  10. 	ll e=0;
  11. while(--t){
  12. 		cin>>a;
  13. 		ans+=max(temp-a,e);
  14. 		temp=max(temp,a);
  15. 	}
  16. 	cout<<ans;
  17. return 0;
  18. }
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin
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10
1000000000 1 1 1 1 1 1 1 1 1
stdout
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8999999991
https://ideone.com/67XZyj
language:
C++ (gcc 8.3)
created:
6 days ago
visibility:
public

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