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conwaysgame.c
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conwaysgame.c
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/*
* PP Project
* 27th of October (2016)
* Author: BOGDAN MACOVEI
* Title: Conway's Game of Life
*/
/// Libraries
#include <stdio.h>
#include <stdlib.h>
/// Define and macro
#define NMAX 1000 // represent the maximum size for lines and columns
/*
* This macro function is displayed in the beginning
* to collect the necessary data
*/
#define readInitialData(type, n, m, k, matrix)\
{\
scanf("%c", &type); \
scanf("%d", &n); \
scanf("%d", &m); \
scanf("%d", &k); \
getGameMatrix(matrix, n, m); \
}
/// Global variable
int maxPopulation; // represent the maximum population in k-evolution
/// getData and writeData functions
void getGameMatrix(int matrix[][NMAX], int n, int m)
{
int i, j;
for(i = 1; i <= n; i++)
for(j = 1; j <= m; j++)
scanf("%d", &matrix[i][j]);
}
void writeGameMatrix(int matrix[][NMAX], int n, int m)
{
printf("\n");
int i, j;
for(i = 1; i <= n; i++)
{
for(j = 1; j <= m; j++)
printf("%d ", matrix[i][j]);
printf("\n");
}
}
/// Filling area functions
/*
* we'll consider that the matrix is between lines 1 and m
* and between columns 1 and m
* so we'll make 0 all of the elements from
* line 0, line n+1, column 0, column m+1
* to correctly calculate the number of the not null values in the area
*/
void fillExternArea(int matrix[][NMAX], int n, int m)
{
int i, j;
for(i = 0; i <= n+1; i++)
for(j = 0; j <= m+1; j++)
if(i == 0 || j == 0 || i == n+1 || j == m+1)
matrix[i][j] = 0;
}
/*
* filling the extern area with matrix's elements
* is the solving of Torr's case
* so, the rule is:
* line 0: contains line n
* line n+1: contains line 0
* column 0: contains column m
* column m+1: contains column 0
* so, for one 5x5 matrix: (o is the current element,
x are the element in o's area)
a55 a51 a52 a53 a54 a55 a51
a15 o x a13 a14 x a11
a25 x x a23 a24 x a21
a35 a31 a32 a33 a34 a35 a31
a45 a41 a42 a43 a44 a45 a41
a55 x x a53 a54 x a51
a15 a11 a12 a13 a14 a15 a11
*/
void fillExternAreaTorr(int matrix[][NMAX], int n, int m)
{
int i;
matrix[0][0] = matrix[n][m];
matrix[0][m+1] = matrix[n][1];
matrix[n+1][m+1] = matrix[1][1];
matrix[n+1][0] = matrix[1][m];
for(i = 1; i <= m; i++)
{
matrix[0][i] = matrix[n][i];
matrix[n+1][i] = matrix[1][i];
}
for(i = 1; i <= n; i++)
{
matrix[i][m+1] = matrix[i][1];
matrix[i][0] = matrix[i][m];
}
}
/// Counting the elements in the area
/*
* this function return the number of values that are 1 or 2
* (the signification of this numbers are presented in the next function)
* for a specified line and for a specified column
* so, for the a[line][column], we will calculate
* the sum of a[line-1][column-1] + ... + a[line+1][column+1]
* assuming that we'll verify all of this 8 positions
*/
unsigned int getAreaCounter(int matrix[][NMAX], int line, int column)
{
unsigned int number = 0, i;
int dx[] = {-1, -1, -1, 0, 0, 1, 1, 1};
int dy[] = {-1, 0, 1, -1, 1, -1, 0, 1};
for(i = 0; i < 8; i++)
if(matrix[line + dx[i]][column + dy[i]] == 1
|| matrix[line + dx[i]][column + dy[i]] == 2)
number++;
return number;
}
/// Modifying matrix to solve the problem
/*
* we'll modify the matrix following the rules
* 0 represent an empty space
* 1 represent a cell
* 2 represent a cell that died
* 3 represent a new cell
* 2 will be interpreted like an empty space = 0
* and 3 will be interpreted like a cell = 1
*/
void modifyGameMatrix(int matrix[][NMAX], int n, int m)
{
int i, j, localPopulation;
for(i = 1; i <= n; i++)
for(j = 1; j <= m; j++)
if(matrix[i][j] == 1)
if(getAreaCounter(matrix, i, j) < 2
|| getAreaCounter(matrix, i, j) > 3)
matrix[i][j] = 2;
for(i = 1; i <= n; i++)
for(j = 1; j <= m; j++)
if(matrix[i][j] != 1 && getAreaCounter(matrix, i, j) == 3)
matrix[i][j] = 3;
for(i = 1; i <= n; i++)
for(j = 1; j <= m; j++)
if(matrix[i][j] == 3)
matrix[i][j] = 1;
else if(matrix[i][j] == 2)
matrix[i][j] = 0;
int localMaxPopulation = getMaxGradePopulation(matrix, n, m);
maxPopulation = (localMaxPopulation > maxPopulation)?
localMaxPopulation : maxPopulation;
}
/// Solving the maximum grade of population
/*
* this function return the number of the cells in one generation
* the maximum percentage is the maximum of cells / n*m
*/
int getMaxGradePopulation(int matrix[][NMAX], int n, int m)
{
int maxim = 0, i, j;
for(i = 1; i <= n; i++)
for(j = 1; j <= m; j++)
if(matrix[i][j])
maxim++;
return maxim;
}
/// Solving the problem
/*
* this function solve the Plane case of this problem
*/
void casePlane(int matrix[][NMAX], int n, int m, int k)
{
/*
* I initialize the maxPopulation
* (the maximum grade of population in this k evolutions)
* with the number of population at the beginning
* I'll change the maxPopulation after the each construction of the matrix
*/
int maxPopulation = getMaxGradePopulation(matrix, n, m);
fillExternArea(matrix, n, m);
int i;
for(i = 1; i <= k; i++)
modifyGameMatrix(matrix, n, m);
writeGameMatrix(matrix, n, m);
printf("%.3f%%\n",
(float)maxPopulation/(n*m)*100);
}
/*
* this function solve the Torr case of this problem
*/
void caseTorr(int matrix[][NMAX], int n, int m, int k)
{
/*
* I initialize the maxPopulation
* (the maximum grade of population in this k evolutions)
* with the number of population at the beginning
* I'll change the maxPopulation after the each construction of the matrix
*/
int maxPopulation = getMaxGradePopulation(matrix, n, m);
int i;
for(i = 1; i <= k; i++)
{
/*
* I must refill the matrix at every step
* because i fill the extern area with matrix's elements
* that are changing at every step
*/
fillExternAreaTorr(matrix, n, m);
modifyGameMatrix(matrix, n, m);
}
writeGameMatrix(matrix, n, m);
printf("%.3f%%\n",
(float)maxPopulation/(n*m)*100);
}
int main()
{
int **matrix = calloc(NMAX, sizeof(int *));
int i;
for(i = 0; i < NMAX; i++)
matrix[i] = calloc(NMAX, sizeof(int));
int n, m, k;
char type;
readInitialData(type, n, m, k, matrix); // using the Macro Function
switch(type)
{
case 'P':
printf("\nThe result is:\n");
casePlane(matrix, n, m, k);
break;
case 'T':
printf("\nThe result is:\n");
caseTorr(matrix, n, m, k);
break;
default:
printf("Invalid data");
}
return 0;
}