problem3.cpp

来自「This project asks you to write a program」· C++ 代码 · 共 74 行

#include <iostream>
using namespace std;

char world[8][8]={{'*',' ',' ','*','*',' ',' ',' '},
               {'*',' ','*','*',' ','*','*','*'},
               {'*',' ','*','*','*','*',' ','*'},
               {'*',' ','*',' ',' ','*',' ','*'},
               {' ','*',' ',' ',' ',' ',' ',' '},
               {' ','*',' ','*',' ',' ','*',' '},
               {'*',' ',' ','*',' ',' ','*',' '},
               {'*',' ','*',' ','*',' ',' ','*'}};

void generation()
{
	int i,j;
	//copy the world table
        char copyworld[8][8];
	for(i=0;i<8;i++){
                for(j=0;j<8;j++){
                        copyworld[i][j]=world[i][j];
                }
        }
	
	for(i=0;i<8;i++){
		for(j=0;j<8;j++){
			int neighbor=0;
			if((i-1>=0)&&(j-1>=0)&&'*'==copyworld[i-1][j-1])neighbor++;
			if((i-1>=0)&&'*'==copyworld[i-1][j])neighbor++;
			if((i-1>=0)&&(j+1<8)&&'*'==copyworld[i-1][j+1])neighbor++;
			if((j-1>=0)&&'*'==copyworld[i][j-1])neighbor++;
			if((j+1<8)&&'*'==copyworld[i][j+1])neighbor++;
			if((i+1<8)&&(j-1>=0)&&'*'==copyworld[i+1][j-1])neighbor++;
			if((i+1<8)&&'*'==copyworld[i+1][j])neighbor++;
			if((i+1<8)&&(j+1<8)&&'*'==copyworld[i+1][j+1])neighbor++;
			if('*'==copyworld[i][j]){
				if(0==neighbor||1==neighbor||neighbor>3){
					world[i][j]=' ';
				}
			}
			else{
				if(3==neighbor){
					world[i][j]='*';
				}
			}		
		}
	}
}

void display()
{
	cout<<"-----------------\n";
	int i,j;
	for(i=0;i<8;i++){
		for(j=0;j<8;j++){
			cout<<"|"<<world[i][j];
		}
		cout<<"|"<<endl;
	}
	cout<<"-----------------\n";
}

int main()
{
	cout<<"The initial world:\n";
	display();	
	cout<<"After one generation:\n";
        generation();
	display();

	return 0;	

}