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            Uriel's Corner

            Research Associate @ Harvard University / Research Interests: Computer Vision, Biomedical Image Analysis, Machine Learning
            posts - 0, comments - 50, trackbacks - 0, articles - 594

            POJ 2122 Japan Plotter Driver---模擬

            Posted on 2010-02-06 03:59 Uriel 閱讀(306) 評論(0)  編輯 收藏 引用 所屬分類: POJ 、模擬
                    其實是個簡單的模擬,不過做的人很少。。莫非是因為題目長?。。
                    跟著隊長的腳步A此題。。剛想交PKU掛了。。去百練交之。。結果WA四次。。
                    題目倒沒什么trick,WA都是自己不細心。。
                    總結下要注意的:1.不要出界; 2.case后空行; 3*,+的使用;
                    隊長3000+B,我去掉注釋5000+B。。PF啊。。
                    我的ws代碼。。懶得簡化了。。
            /*Problem: 2122  User: Uriel 
               Memory: 176K  Time: 0MS 
               Language: C++  Result: Accepted
            */
             
            #include
            <stdio.h>
            #include
            <stdlib.h>
            #include
            <algorithm>
            using namespace std;

            int X,Y,x,y,xx,yy;
            char pic[100][100],str[100],text[100];

            bool ok(int a,int b)
            {
                
            if(a>0 && a<=&& b>0 && b<=Y)return true;
                
            return false;
            }


            int main()
            {
                
            int i,j,a,b,c,d;
                
            while(scanf("%d %d",&Y,&X),X,Y)
                
            {
                    
            for(i=1;i<=X;i++)
                    
            {
                        
            for(j=1;j<=Y;j++)
                        
            {
                            pic[i][j]
            =' ';
                        }

                    }

                    
            for(i=1;i<=Y;i++)
                    
            {
                        pic[
            0][i]='-';
                        pic[X
            +1][i]='-';
                    }

                    
            for(i=1;i<=X;i++)
                    
            {
                        pic[i][
            0]='|';
                        pic[i][Y
            +1]='|';
                    }

                    pic[
            0][0]='+';
                    pic[
            0][Y+1]='+';
                    pic[X
            +1][0]='+';
                    pic[X
            +1][Y+1]='+';
                    
            while(1)
                    
            {
                        getchar();
                        scanf(
            "%s",str);
                        
            if(strcmp(str,"PRINT")==0)break;
                        
            else if(strcmp(str,"POINT")==0)
                        
            {
                            scanf(
            "%d %d",&y,&x);
                            
            if(pic[x][y]=='o');
                            
            else if(pic[x][y]!=' ' && ok(x,y))pic[x][y]='*';
                            
            else if(ok(x,y))
                                pic[x][y]
            ='o';
                        }

                        
            else if(strcmp(str,"CLEAR")==0)
                        
            {
                            scanf(
            "%d %d %d %d",&a,&b,&c,&d);
                            x
            =min(b,d);
                            xx
            =max(b,d);
                            y
            =min(a,c);
                            yy
            =max(a,c);
                            
            for(i=x;i<=xx;i++)
                            
            {
                                
            for(j=y;j<=yy;j++)
                                
            {
                                    
            if(ok(i,j))pic[i][j]=' ';
                                }

                            }

                        }

                        
            else if(strcmp(str,"LINE")==0)
                        
            {
                            scanf(
            "%d %d %d %d",&a,&b,&c,&d);
                            
            if(a==c)//----------------------------------vertical
                            {
                                y
            =min(b,d);
                                yy
            =max(b,d);
                                
            for(i=y;i<=yy;i++)
                                
            {
                                    
            if(ok(i,a))
                                    
            {
                                        
            if(pic[i][a]=='-')pic[i][a]='+';
                                        
            else if(pic[i][a]=='|' || pic[i][a]=='+');
                                        
            else if(pic[i][a]!=' ')pic[i][a]='*';
                                        
            else 
                                            pic[i][a]
            ='|';
                                    }

                                }

                            }

                            
            else if(b==d)//----------------------------------horizonal
                            {
                                x
            =min(a,c);
                                xx
            =max(a,c);;
                                
            for(i=x;i<=xx;i++)
                                
            {
                                    
            if(ok(b,i))
                                    
            {
                                        
            if(pic[b][i]=='|')pic[b][i]='+';
                                        
            else if(pic[b][i]=='-' || pic[b][i]=='+');
                                        
            else if(pic[b][i]!=' ')pic[b][i]='*';
                                        
            else
                                            pic[b][i]
            ='-';
                                    }

                                }

                            }

                            
            else if((a<&& b<d) || (a>&& b>d))//---------'\'
                            {
                                x
            =min(b,d);
                                xx
            =max(b,d);
                                y
            =min(a,c);
                                yy
            =max(a,c);
                                j
            =y;
                                
            for(i=x;i<=xx;i++,j++)
                                
            {
                                    
            if(ok(i,j))
                                    
            {
                                        
            if(pic[i][j]=='/')pic[i][j]='x';
                                        
            else if(pic[i][j]=='\\' || pic[i][j]=='x');
                                        
            else if(pic[i][j]!=' ')pic[i][j]='*';
                                        
            else
                                            pic[i][j]
            ='\\';
                                    }

                                }

                            }

                            
            else//------------------------------------------'/'
                            {
                                x
            =min(b,d);
                                xx
            =max(b,d);
                                y
            =min(a,c);
                                yy
            =max(a,c);
                                j
            =yy;
                                
            for(i=x;i<=xx;i++,j--)
                                
            {
                                    
            if(ok(i,j))
                                    
            {
                                        
            if(pic[i][j]=='\\')pic[i][j]='x';
                                        
            else if(pic[i][j]=='/' || pic[i][j]=='x');
                                        
            else if(pic[i][j]!=' ')pic[i][j]='*';
                                        
            else
                                            pic[i][j]
            ='/';
                                    }

                                }

                            }

                        }

                        
            else if(strcmp(str,"TEXT")==0)
                        
            {
                            scanf(
            "%d %d",&y,&x);
                            getchar();
                            scanf(
            "%s",text);
                            
            for(i=y;i<strlen(text)+y;i++)
                            
            {
                                
            if(ok(x,i))
                                
            {
                                    
            if(pic[x][i]==' ' || pic[x][i]==text[i-y])pic[x][i]=text[i-y];
                                    
            else
                                        pic[x][i]
            ='*';
                                }

                            }

                        }

                    }

                    
            for(i=0;i<=X+1;i++)
                    
            {
                        
            for(j=0;j<=Y+1;j++)
                        
            {
                            printf(
            "%c",pic[i][j]);
                        }

                        printf(
            "\n");
                    }

                    printf(
            "\n");
                }

            //    system("PAUSE");
                return 0;
            }


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