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max-subarray.cpp
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89 lines (53 loc) · 1.5 KB
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/*Author : Manraj Singh */
#include <bits/stdc++.h>
using namespace std;
// Problem :
/* Solution : */
// class Solution {
// public:
// int maxSubArray(vector<int>& nums) {
// int i = 0;
// int j = 0;
// int maxv = INT_MIN;
// int sum = 0 , n = nums.size();
// while ( i < n && i <= j && j < n){
// if ( sum < 0 ){
// sum -= nums[i];
// i++;
// }
// else{
// sum += nums[j];
// maxv = max ( maxv , sum);
// j++;
// }
// if ( i > j){
// j = i;
// }
// }
// return maxv;
// }
// };
class Solution {
public:
int maxSubArray(vector<int>& nums) {
int i = 0;
int j = 0;
int maxv = INT_MIN;
int sum = 0 , n = nums.size();
while ( i < n && i <= j && j < n){
if (sum < 0){
sum = 0;
}
sum += nums[j];
maxv = max ( maxv , sum);
j++;
}
return maxv;
}
};
int main(){
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
return 0;
}