project-euler/q18.cpp at master · rajath2001/project-euler · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
#include<bits/stdc++.h>
#include <fstream>
#include <string>

using namespace std;

int main()
{

    string myText;


    ifstream MyReadFile("pyramid.txt");
    int i = 0;
    int j = 0;
    int num[15][15];

    while (getline (MyReadFile, myText))
    {

      for ( int i = 0 ; i < myText.length(); i+=3)
    {
     num[j][i/3] = 10*((myText[i] - 48)) +   (myText[i+1] - 48) ;
    }

        j++;

    }


    for(int n = 14;n >= 1;n--)
    {
        int j = n;

        for(int l = 0; l < j; l++)
        {
            num[n-1][l] += max(num[n][l] , num[n][l+1]);
        }

    }

    cout<<num[0][0];


}