第21235题 单选
给定C++实现最大连续子数组和的动态规划代码,横线处应填入的正确语句是?

给定一个整数数组nums,找到一个具有最大和的连续子数组(子数组最少包含一个元素),返回其最大和。以下代码的横线处应该填入的是()

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

int maxSubArray(vector<int>& nums) {
  int n = nums.size();
  if (n == 0) return 0;

  vector<int> dp(n, 0);
  dp[0] = nums[0];
  int maxSum = dp[0];

  for (int i = 1; i < n; i++) {
    _____________________________________
    maxSum = max(maxSum, dp[i]);
  }

  return maxSum;
}

int main() {
  int n;
  cin >> n;

  vector<int> nums(n);
  for (int i = 0; i < n; i++) {
    cin >> nums[i];
  }

  int result = maxSubArray(nums);
  cout << result << endl;

  return 0;
}
A
dp[i] = max(nums[i+1], dp[i - 1] + nums[i]);
B
dp[i] = max(nums[i], dp[i - 1] + nums[i]);
C
dp[i] = max(nums[i], dp[i + 1] + nums[i]);
D
dp[i] = max(nums[i], dp[i - 1] + nums[i+1]);