278A - Circle Line - CodeForces Solution


implementation *800

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Python Code:

ii = int(input())
l_d = list(map(int, input().split()))
p, q = map(int, input().split())

if p > q:
    t = p
    p = q
    q = t

print(min(sum(l_d[p - 1 : q - 1]), sum(l_d[:p - 1]) + sum(l_d[q - 1:])))

C++ Code:

#include<iostream>
#include<algorithm>
using namespace std;
int main()
{
    int n;
    cin>>n;
    int arr[n];
    int sum=0;
    for(int i=0;i<n;i++)
    {
        cin>>arr[i];
        sum=sum+arr[i];
    }
    int a,b;
    cin>>a>>b;

    if(a>b) swap(a,b);

    int sum1=0;
    for(int i=a-1;i<b-1;i++)
    {
        sum1=sum1+arr[i];
    }

    cout<<min(sum1,sum-sum1)<<endl;
    return 0;
}


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