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secondary fix

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4.E Zatko Dominik 2025-10-01 11:14:38 +02:00
parent 07856709b5
commit 74c6a87254
47 changed files with 423 additions and 16 deletions
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213
karnaugh-map/KarnaughMap/Program.cs Normal file
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using System;
using System.Collections.Generic;
using System.Linq;
class Program
{
static string Overbar(string s)
{
return s switch
{
"A" => "Ā",
"B" => "B̄",
"C" => "C̄",
"D" => "D̄",
_ => s
};
}
static void Main()
{
do
{
string[,] map = new string[4, 4];
// Inicializace na N (not specified yet)
for (int r = 0; r < 4; r++)
for (int c = 0; c < 4; c++)
map[r, c] = "N";
// Input for Karnaugh map cells
for (int r = 0; r < 4; r++)
{
for (int c = 0; c < 4; c++)
{
Console.Clear();
map[r, c] = "K"; // Mark current cell
PrintMap(map, true);
Console.Write($"Zadej hodnotu pro ({r},{c}) [0 = záporná, 1 = kladná, X = nevadí]: ");
string input = Console.ReadLine()!.Trim().ToUpper();
if (input != "0" && input != "1" && input != "X") input = "0";
map[r, c] = input;
}
}
Console.Clear();
Console.WriteLine("Karnaughova mapa:");
PrintMap(map, false);
Console.WriteLine("\nZjednodušený výraz:");
string result = CalculateExpression(map);
Console.WriteLine(result);
// Prompt to restart or exit
Console.WriteLine("\nPokračovat? (Y/N nebo Escape)");
ConsoleKeyInfo keyInfo = Console.ReadKey(true);
if (keyInfo.Key == ConsoleKey.N || keyInfo.Key == ConsoleKey.Escape)
break;
} while (true);
}
static void PrintMap(string[,] map, bool showInstructions)
{
string[] rowLabels = { "(ĀB̄)", "(ĀB)", "(AB)", "(A B̄)" };
string[] colLabels = { "(C̄D̄)", "(C̄D)", "(CD)", "(C D̄)" };
Console.Write(" ");
foreach (var col in colLabels)
Console.Write(col.PadRight(6));
Console.WriteLine();
for (int r = 0; r < 4; r++)
{
Console.Write(rowLabels[r].PadRight(8));
for (int c = 0; c < 4; c++)
Console.Write(map[r, c].PadRight(6));
Console.WriteLine();
}
if (showInstructions)
{
Console.WriteLine();
Console.WriteLine("Legenda:");
Console.WriteLine("0 = záporná hodnota (FALSE)");
Console.WriteLine("1 = kladná hodnota (TRUE)");
Console.WriteLine("X = nevadí (Don't Care) - může být 0 nebo 1");
Console.WriteLine("K = aktuální vybraná buňka");
Console.WriteLine("N = zatím nezadáno (není specifikováno)");
Console.WriteLine();
}
}
static string CalculateExpression(string[,] map)
{
int[,] binMap = new int[4, 4];
for (int r = 0; r < 4; r++)
for (int c = 0; c < 4; c++)
binMap[r, c] = map[r, c] == "1" ? 1 : map[r, c] == "X" ? -1 : 0;
var terms = new List<string>();
string[] rowGray = { "00", "01", "11", "10" };
string[] colGray = { "00", "01", "11", "10" };
bool[,] used = new bool[4, 4];
// Check if all cells in the group are 1 or X and group contains at least one 1
bool CheckGroup(int rStart, int cStart, int height, int width)
{
bool hasOne = false;
for (int dr = 0; dr < height; dr++)
{
for (int dc = 0; dc < width; dc++)
{
int rr = (rStart + dr) % 4;
int cc = (cStart + dc) % 4;
if (binMap[rr, cc] == 0) return false;
if (binMap[rr, cc] == 1) hasOne = true;
}
}
return hasOne;
}
void MarkUsed(int rStart, int cStart, int height, int width)
{
for (int dr = 0; dr < height; dr++)
for (int dc = 0; dc < width; dc++)
{
int rr = (rStart + dr) % 4;
int cc = (cStart + dc) % 4;
used[rr, cc] = true;
}
}
string GroupToTerm(int rStart, int cStart, int height, int width)
{
var rowsBits = new List<string>();
var colsBits = new List<string>();
for (int dr = 0; dr < height; dr++)
rowsBits.Add(rowGray[(rStart + dr) % 4]);
for (int dc = 0; dc < width; dc++)
colsBits.Add(colGray[(cStart + dc) % 4]);
string term = "";
bool A_const = true;
char A_val = rowsBits[0][0];
foreach (var rb in rowsBits)
if (rb[0] != A_val) A_const = false;
if (A_const) term += A_val == '0' ? Overbar("A") : "A";
bool B_const = true;
char B_val = rowsBits[0][1];
foreach (var rb in rowsBits)
if (rb[1] != B_val) B_const = false;
if (B_const) term += B_val == '0' ? Overbar("B") : "B";
bool C_const = true;
char C_val = colsBits[0][0];
foreach (var cb in colsBits)
if (cb[0] != C_val) C_const = false;
if (C_const) term += C_val == '0' ? Overbar("C") : "C";
bool D_const = true;
char D_val = colsBits[0][1];
foreach (var cb in colsBits)
if (cb[1] != D_val) D_const = false;
if (D_const) term += D_val == '0' ? Overbar("D") : "D";
if (term == "")
term = "1";
return term;
}
var blockSizes = new List<(int h, int w)>
{
(4, 4),
(4, 2), (2, 4),
(4, 1), (1, 4),
(2, 2),
(2, 1), (1, 2),
(1,1)
};
foreach (var (h, w) in blockSizes)
{
for (int r0 = 0; r0 < 4; r0++)
{
for (int c0 = 0; c0 < 4; c0++)
{
if (CheckGroup(r0, c0, h, w))
{
string term = GroupToTerm(r0, c0, h, w);
bool coversNew = false;
for (int dr = 0; dr < h; dr++)
for (int dc = 0; dc < w; dc++)
{
int rr = (r0 + dr) % 4;
int cc = (c0 + dc) % 4;
if (!used[rr, cc]) coversNew = true;
}
if (coversNew && !terms.Contains(term))
{
terms.Add(term);
MarkUsed(r0, c0, h, w);
}
}
}
}
}
if (terms.Count == 0)
return "0";
return string.Join(" + ", terms);
}
}