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Maximum Sub Array.cpp
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40 lines (40 loc) · 802 Bytes
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class Solution{
public:
vector<int> findSubarray(int arr[], int n){
pair<int,int>p;
p.first=0;
p.second=-1;
int i=0;
int j=0;
int maxi=0;
int sum=0;
while(j<n){
if(arr[j]>=0){
sum+=arr[j++];
}
else{
if(maxi<sum){
maxi=sum;
p.first=i;
p.second=j-1;
}
sum=0;
i=j+1;
j+=1;
}
}
if(maxi<sum){
maxi=sum;
p.first=i;
p.second=j-1;
}
vector<int>ans;
for(int k=p.first;k<=p.second;k++){
ans.push_back(arr[k]);
}
if(ans.empty()){
ans.push_back(-1);
}
return ans;
}
};