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Added Kadane's algo #389

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Please describe your program and how to run it.
A c++ program that outputs the starting and ending indices of the subarray which has the maximum sum in the array.


What Programming Language?
C++
...language...

cout<<"Enter the elements\n";
for(int i=0;i<n;i++) cin>>arr[i];
int start=0,end=0,sum=0,maxsum=0;
for(int i=0;i<n;i++){ sum+=arr[i]; if(sum<0) { sum=0; start=i+1;} if(sum>maxsum){ maxsum=sum; end=i; } }
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This isn't quite one-line but it might be compressible. I don't see a solution immediately but give it another try!

@wzhouwzhou wzhouwzhou added Lang: C Contributions made in C Lang: C++ Contributions made in C Plus Plus and removed Lang: C Contributions made in C labels Oct 11, 2019
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