-
Notifications
You must be signed in to change notification settings - Fork 0
/
Day5.cs
165 lines (137 loc) · 5.23 KB
/
Day5.cs
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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
namespace cs
{
class Day5
{
private static readonly string[] arrow = new string[] { " -> " };
public static void Part1()
{
List<int> x1 = new List<int>();
List<int> y1 = new List<int>();
List<int> x2 = new List<int>();
List<int> y2 = new List<int>();
foreach (string row in File.ReadAllLines(@"../../../../../data/day5.txt"))
{
x1.Add(int.Parse(row.Split(arrow, StringSplitOptions.None)[0].Split(',')[0]));
y1.Add(int.Parse(row.Split(arrow, StringSplitOptions.None)[0].Split(',')[1]));
x2.Add(int.Parse(row.Split(arrow, StringSplitOptions.None)[1].Split(',')[0]));
y2.Add(int.Parse(row.Split(arrow, StringSplitOptions.None)[1].Split(',')[1]));
}
int max_x = Math.Max(x1.Max(), x2.Max());
int max_y = Math.Max(y1.Max(), y2.Max());
List<List<int>> vents = new List<List<int>>(max_y + 1);
for (int y = 0; y <= max_y; y++)
{
vents.Add(new List<int>(max_x + 1));
for (int x = 0; x <= max_x; x++)
vents[y].Add(0);
}
for (int index = 0; index < x1.Count; index++)
{
int x_one = x1[index];
int y_one = y1[index];
int x_two = x2[index];
int y_two = y2[index];
if (x_one > x_two)
{
int tmp = x_one;
x_one = x_two;
x_two = tmp;
}
if (y_one > y_two)
{
int tmp = y_one;
y_one = y_two;
y_two = tmp;
}
if (x_one == x_two)
for (int y = y_one; y <= y_two; y++)
vents[y][x_one]++;
else if (y_one == y_two)
for (int x = x_one; x <= x_two; x++)
vents[y_one][x]++;
}
int counter = 0;
foreach (List<int> row in vents)
foreach (int cell in row)
if (cell >= 2)
counter++;
Console.WriteLine("Day: 5 | Part: 1 | Result: " + counter);
}
public static void Part2()
{
List<int> x1 = new List<int>();
List<int> y1 = new List<int>();
List<int> x2 = new List<int>();
List<int> y2 = new List<int>();
foreach (string row in File.ReadAllLines(@"../../../../../data/day5.txt"))
{
x1.Add(int.Parse(row.Split(arrow, StringSplitOptions.None)[0].Split(',')[0]));
y1.Add(int.Parse(row.Split(arrow, StringSplitOptions.None)[0].Split(',')[1]));
x2.Add(int.Parse(row.Split(arrow, StringSplitOptions.None)[1].Split(',')[0]));
y2.Add(int.Parse(row.Split(arrow, StringSplitOptions.None)[1].Split(',')[1]));
}
int max_x = Math.Max(x1.Max(), x2.Max());
int max_y = Math.Max(y1.Max(), y2.Max());
List<List<int>> vents = new List<List<int>>(max_y + 1);
for (int y = 0; y <= max_y; y++)
{
vents.Add(new List<int>(max_x + 1));
for (int x = 0; x <= max_x; x++)
vents[y].Add(0);
}
for (int index = 0; index < x1.Count; index++)
{
int x_one = x1[index];
int y_one = y1[index];
int x_two = x2[index];
int y_two = y2[index];
if (x_one == x_two)
{
if (y_one > y_two)
{
int tmp = y_one;
y_one = y_two;
y_two = tmp;
}
for (int y = y_one; y <= y_two; y++)
vents[y][x_one]++;
}
else if (y_one == y_two)
{
if (x_one > x_two)
{
int tmp = x_one;
x_one = x_two;
x_two = tmp;
}
for (int x = x_one; x <= x_two; x++)
vents[y_one][x]++;
}
else
{
if (x_one > x_two)
{
int tmp = x_one;
x_one = x_two;
x_two = tmp;
tmp = y_one;
y_one = y_two;
y_two = tmp;
}
for (int o = 0; o <= x_two - x_one; o++)
vents[y_one < y_two ? y_one + o : y_one - o][x_one + o]++;
}
}
int counter = 0;
foreach (List<int> row in vents)
foreach (int cell in row)
if (cell >= 2)
counter++;
Console.WriteLine("Day: 5 | Part: 2 | Result: " + counter);
}
}
}