Codeforce 655 D
#include<bits/stdc++.h>
#define ll long long
using namespace std;
int main()
{
ll int n; cin>>n;
ll int a[2*n+1], sum=0;
for(ll int i=1; i<=n; i++) cin>>a[i];
for(ll int i=1; i<=n; i++) a[n+i]=a[i];
for(ll int i=1; i<=n; i+=2) sum+=a[i];
ll int ans = sum;
for( ll int i=2; i<=2*n; i+=2){
sum-=a[i-1];
sum+=a[i];
ans= max(ans, sum);
}
cout<<ans<<endl;
return 0;
}
Are there any code examples left?
New code examples in category Other
-
Other 2023-03-27 22:50:10 how to select the whole line in vscode with keyboard shortcut
-
Other 2022-03-27 22:45:24 income of a web developer
-
Other 2022-03-27 22:35:01 \pyrcc_main.py: File does not exist 'resources.qrc'
-
Other 2022-03-27 22:30:45 rick roll embed code
-
Other 2022-03-27 22:20:08 Circuit_04_Potentiometer
-
Other 2022-03-27 22:20:05 iterative power
-
Other 2022-03-27 22:15:11 flutter run all
-
Other 2022-03-27 22:10:05 when is karlson release
-
Other 2022-03-27 22:10:02 wp .htaccess example
-
Other 2022-03-27 22:00:08 bash pause in file read line by line