title: Largest Sum Contiguous Subarray 2
signature: class Solution {
  
      public int LargestSumContiguousSubarray2(List<int> a, int size) {
test_code: using System;
  using System.Numerics;
  using System.Diagnostics;
  using System.Collections.Generic;
  using System.Linq;
  using System.Text;
  using System.Security.Cryptography;
  using System.Web.UI;
  using System.Web.Script.Serialization;
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  namespace EvaluatePrediction {
      class TestRunner {
          public bool ValidateSolution(int actual, int expected){
              return new JavaScriptSerializer().Serialize(actual) == new JavaScriptSerializer().Serialize(expected);
          }
  
          public string driver(List<int> a, int size, int expected){
              try{
                PLACEHOLDER_CLS_NAME solution_cls = new PLACEHOLDER_CLS_NAME();
                int pred_result = solution_cls.PLACEHOLDER_FN_NAME(a, size); 
                if (ValidateSolution(
                      pred_result,
                      expected)){
                  return "PASSED";
                }
                return "FAILED";
              } 
              catch (Exception exception_obj)
              {
                return exception_obj.GetType().FullName;
              }
          }
          static void Main(string[] args) {
              TestRunner runner = new TestRunner();
              String result;
              result = runner.driver(
                  new List<int>{1, 3, 4, 7, 8, 8, 10, 12, 16, 19, 19, 20, 20, 21, 21, 22, 26, 27, 29, 34, 36, 38, 38, 39, 41, 43, 44, 47, 47, 49, 57, 57, 60, 62, 63, 65, 75, 77, 77, 78, 81, 82, 82, 83, 83, 84, 85, 98, 99}, 38, 
                  1265
              );
              Console.WriteLine(string.Format(
                  "TEST-0...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-40, 14, 2, -70, 86, -90, -50, -54, -2, 90, 30}, 10, 
                  90
              );
              Console.WriteLine(string.Format(
                  "TEST-1...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 18, 
                  11
              );
              Console.WriteLine(string.Format(
                  "TEST-2...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{60, 69, 41, 7, 77, 36, 36, 26, 35, 30, 64, 75, 3, 35, 60, 71, 29, 47, 15, 29, 43, 88, 56, 22, 9, 45, 40, 50, 52}, 25, 
                  1063
              );
              Console.WriteLine(string.Format(
                  "TEST-3...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-96, -88, -80, -72, -64, -64, -60, -60, -60, -58, -56, -54, -54, -50, -50, -26, -26, -24, -20, -8, -2, 0, 4, 4, 12, 14, 18, 18, 24, 32, 42, 44, 44, 44, 48, 50, 50, 56, 60, 60, 70, 80, 88, 88, 90, 98}, 35, 
                  348
              );
              Console.WriteLine(string.Format(
                  "TEST-4...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{0, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0}, 22, 
                  13
              );
              Console.WriteLine(string.Format(
                  "TEST-5...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{2, 4, 4, 5, 6, 7, 11, 12, 14, 18, 23, 24, 27, 28, 33, 36, 37, 38, 39, 40, 41, 41, 48, 48, 52, 61, 64, 66, 66, 77, 79, 82, 85, 88, 91, 94, 99}, 34, 
                  1306
              );
              Console.WriteLine(string.Format(
                  "TEST-6...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{-56, 0, 16, 12, 20, 36, 32, -52, -68, -36, -96, -46, -34, 56, 2, 78, 6, 30, -68, -48, 2, 44, -26, -36, -30, -20, -90, -66, 4, 94, 8, 4, -4, -32, -24}, 20, 
                  172
              );
              Console.WriteLine(string.Format(
                  "TEST-7...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 22, 
                  10
              );
              Console.WriteLine(string.Format(
                  "TEST-8...{0}",
                  result)
              );result = runner.driver(
                  new List<int>{39, 87, 27, 89, 26, 25, 80, 82, 21, 25, 55, 27, 20, 81, 47, 79, 26, 72, 10, 11, 90, 89}, 21, 
                  1019
              );
              Console.WriteLine(string.Format(
                  "TEST-9...{0}",
                  result)
              );
          }
      }
  }
  
source_py: def largest_sum_contiguous_subarray_2(a, size):
      max_so_far = a[0]
      curr_max = a[0]
      for i in range(1, size):
          curr_max = max(a[i], (curr_max + a[i]))
          max_so_far = max(max_so_far, curr_max)
      return max_so_far
source_cpp: int largest_sum_contiguous_subarray_2(vector<int> a, int size) {
    int max_so_far = a [ 0 ];
    int curr_max = a [ 0 ];
    for ( int i = 1;
    i < size;
    i ++ ) {
      curr_max = max ( a [ i ], curr_max + a [ i ] );
      max_so_far = max ( max_so_far, curr_max );
    }
    return max_so_far;
  }