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Sudoku c++

created May 21st 2021, 12:35 by Simone Fantin


6


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985 words
7 completed
00:00
#include <iostream>
#include <ctime>
#include <fstream>
using namespace std;
 
#define DIM 9
 
void caricaSudoku(int[][DIM], string, char);
void stampaSudoku(int[][DIM]);
void getPosition(int[][DIM], int&, int&);
bool controlloRiga(int[][DIM], int, int, int);
bool controlloColonna(int[][DIM], int, int, int);
bool controlloCella(int[][DIM], int, int, int);
bool getStop(int[][DIM]);
 
char n;
string st;
 
int main()
{
     srand(time(NULL));
     system("chcp 65001");
     system("cls");
     int sudoku[DIM][DIM];
     int rig = 0, col = 0, num = 0;
     bool stop = false;
     int scelta = 0;
     int sceltaDiff;
     bool vinto = false;
 
     do {
          cout << "1. Beginner" << endl;
          cout << "2. Easy" << endl;
          cout << "3. Medium" << endl;
          cout << "4. Hard" << endl;
          cout << "5. Extreme" << endl;
          cout << "Inserisci il numero: ";
          cin >> sceltaDiff;  
     } while (sceltaDiff < 1 || sceltaDiff > 5);
 
     if (sceltaDiff == 1)
          st = "beginner";
     else if (sceltaDiff == 2)
          st = "easy";
     else if (sceltaDiff == 3)
          st = "medium";
     else if (sceltaDiff == 4)
          st = "hard";
     else if (sceltaDiff == 5)
          st = "extreme";
 
     cout << "Difficoltà: " << st << endl;
     caricaSudoku(sudoku, st, 'z');
     cout << "Sudoku caricato" << endl;
 
     while (stop == false && vinto == false)
     {
          stampaSudoku(sudoku);
          do
          {
               getPosition(sudoku, rig, col);
          } while (sudoku[rig - 1][col - 1] != 0);
           
          stampaSudoku(sudoku);
          cout << endl << "Hai scelto la posizione: " << rig << " - " << col << endl;
          do
          {
               do
               {
                    cout << "Inserisci il numero che vuoi mettere: ";
                    cin >> num;
               } while (num < 1 || num > DIM);
          } while (controlloRiga(sudoku, rig, col, num) != true || controlloColonna(sudoku, rig, col, num) != true || controlloCella(sudoku, rig, col, num) != true);
           
          sudoku[rig-1][col-1] = num;
          stampaSudoku(sudoku);
          vinto = getStop(sudoku);
          if (vinto == true)
          {
               stampaSudoku(sudoku);
               cout << endl << "Hai finito il sudoku!" << endl;
          }
          else
          {
               do
               {
                    cout << endl << "1. Per continuare" << endl;
                    cout << "2. Per uscire" << endl;
                    cout << "3. Per ricominciare" << endl;
                    cout << "Inserisci il numero: ";
                    cin >> scelta;
               } while (scelta < 1 || scelta > 3);
 
               if (scelta == 2)
                    stop = true;
               else if (scelta == 3)
               {
                    caricaSudoku(sudoku, st, n);
               }
          }
          if (stop == true)
          {
               stampaSudoku(sudoku);
               cout << endl << "Hai interrotto il gioco" << endl;
          }
     }
}
 
bool getStop(int s[][DIM])
{
     int conta = 0;
     for (int i = 0; i < DIM; i++)
     {
          for (int j = 0; j < DIM; j++)
          {
               if (s[i][j] == 0)
                    conta++;
          }
     }
     if (conta == 0)
          return true;
     else
          return false;
}
 
bool controlloRiga(int m[][DIM], int r, int c, int n)
{
     for (int i = 0; i < DIM; i++)
     {
          if (m[r-1][i] == n)
          {
               cout << n << " è già presente nella casella " << r << " - " << c << endl;
               return false;
          }
     }
     return true;
}
 
bool controlloColonna(int m[][DIM], int r, int c, int n)
{
     for (int i = 0; i < DIM; i++)
     {
          if (m[i][c-1] == n)
          {
               cout << n << " è già presente nella casella " << r << " - " << c << endl;
               return false;
          }
     }
     return true;
}
 
bool controlloCella(int m[][DIM], int r, int c, int n)
{
     for (int i = ((r-1)/3)*3; i < (((r-1)/3)*3 + 3); i++)
     {
          for (int j = ((c-1)/3)*3; j < (((c-1)/3)*3 + 3); j++)
          {
               if (m[i][j] == n)
               {
                    cout << n << " è già presente nella casella " << r << " - " << c << endl;
                    return false;
               }
          }
     }
     return true;
}
 
char getCar()
{
     int num = rand() % 5;
     if (num == 0)
          n = 'a';
     else if (num == 1)
          n = 'b';
     else if (num == 2)
          n = 'c';
     else if (num == 3)
          n = 'd';
     else if (num == 4)
          n = 'e';
     return n;
}
 
void caricaSudoku(int s[][DIM], string t, char r)
{
     string f;
     int var;
     char car;
     char l;
 
     ifstream file("tables.txt");
 
     cout << "Cercando stringa" << endl;
     do {
          file >> f;
     } while (f != t);
      
     if (r == 'z')
          car = getCar();
     else
          car = n;
     cout << "Cercando carattere(" << car << ")" << endl;
     do {
          file >> l;
     } while (l != car);
 
     for (int i = 0; i < DIM; i++)
     {
          for (int j = 0; j < DIM; j++)
          {
               file >> s[i][j];
          }
     }
     file.close();
}
 
void stampaSudoku(int s[][DIM])
{
     system("cls");
     cout << "         Il Sudoku ~ Fantini" << endl;
     if (st == "beginner")
          cout << "         Difficoltà " << st << endl;
     else if (st == "easy")
          cout << "           Difficoltà easy" << endl;
     else if (st == "medium")
          cout << "          Difficoltà medium" << endl;
     else if (st == "hard")
          cout << "           Difficoltà hard" << endl;
     else if (st == "extreme")
          cout << "         Difficoltà extreme" << endl;
     cout << "┏━━━┯━━━┯━━━┳━━━┯━━━┯━━━┳━━━┯━━━┯━━━┓" << endl;
     for (int i = 0; i < DIM; i++)
     {
          cout << "┃";
          for (int j = 0; j < DIM; j++)
          {
               cout << " ";
               if (s[i][j] == 0)
                    cout << " ";
               else
                    cout << s[i][j];
               if (j == 2 || j == 5 || j == 8)
                    cout << " ┃";
               else
                    cout << " │";
          }
          cout << endl;
          if (i == 2 || i == 5)
               cout << "┣━━━┿━━━┿━━━╋━━━┿━━━┿━━━╋━━━┿━━━┿━━━┫" << endl;
          else if (i != 8)
               cout << "┠───┼───┼───╂───┼───┼───╂───┼───┼───┨" << endl;
     }
     cout << "┗━━━┷━━━┷━━━┻━━━┷━━━┷━━━┻━━━┷━━━┷━━━┛";
}
 
void getPosition(int m[][DIM], int &rig, int &col)
{
     stampaSudoku(m);
     cout << endl;
     do
     {
          cout << "Inserisci il numero della riga: ";
          cin >> rig;
     } while (rig < 1 || rig > DIM);
 
     stampaSudoku(m);
     cout << endl << "Hai scelto la riga numero: " << rig << endl;
     do
     {
          cout <<"Inserisci il numero della colonna: ";
          cin >> col;
     } while (col < 1 || col > DIM);
}
 

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