class Solution {
public:
/**
* max sum of the subarray
* @param arr int整型vector the array
* @return int整型
*/
int maxsumofSubarray(vector<int>& arr) {
// write code here
int max = INT_MIN;
int cur = 0;
for(int i=0;i<arr.size();i++)
{
cur += arr[i];
max = max > cur ? max:cur;
cur = cur < 0 ? 0 : cur;
}
return max;
}
}; 
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