CoCalc -- fun-cube.cpp

GitHub Repository: zmx0142857/mini-games
Path: blob/master/c/cube-font/0.1/fun-cube.cpp
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/*
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    Name:       Funcube_1.0
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    Author:     zmx0142857
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    Version:    1.0
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    Copyright:
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    Link:
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    Description:Input 2D graphics, output 3D.
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                                                  _____
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                                                 /\    \
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                                                /::\____\
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                                               /:::/    /
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                                              /:::/    /
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                                             /:::/    /
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                  00......00                /:::/____/
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                  00......00               /::::\    \
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                  00......00              /::::::\    \   _____
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                  00......00             /:::/\:::\    \ /\    \
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                  0000000000      ->    /:::/  \:::\    /::\____\
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                  0000000000            \::/    \:::\  /:::/    /
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                  00......00             \/____/ \:::\/:::/    /
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                  00......00                      \::::::/    /
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                  00......00                       \::::/    /
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                  00......00                       /:::/    /
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                                                  /:::/    /
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                                                 /:::/    /
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                                                /:::/    /
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                                                \::/    /
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                                                 \/____/
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                                              _____________
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                 .../000\..                  /::::::::\    \
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                 ../00000\.                 /::::::::::\    \
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                 ./0000000\                /:::/~~\:::::\____\
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                 /0/...\000               /::::\~~ \:::::|    |
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                 00.....000              /::::::\   \::::|    |
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                 0000000000      ->     /:::/\:::\   |:::|    |
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                 0000000000             \::/  \:::\  |:::|    |
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                 00.....000              \/____\:::\/::::|    |
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                 00.....000                     \::::::::|____|
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                 00.....000                      \::::::/    /
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                                                 /:::::/    /
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                                                /:::::/    /
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                                               /:::::/    /
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                                               \::::/    /
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                                                \::/    /
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                                                 \/____/
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00......00
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00......00
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00......00
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00......00
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0000000000
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0000000000
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00......00
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00......00
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00......00
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00......00
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.../000\..
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../00000\.
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./0000000\
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/0/...\000
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00.....000
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0000000000
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0000000000
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00.....000
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00.....000
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00.....000
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00000000\.
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000000000.
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00....\00.
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00..../0/.
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00000000\.
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000000000\
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00.....\00
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00...../00
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000000000/
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00000000/.
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*/
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#include<iostream>
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#include<stdlib.h>
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using namespace std;
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#define iHEIGHT 10
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#define iWIDTH 10
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#define THICKNESS 5
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#define oHEIGHT iHEIGHT+iWIDTH+2
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#define oWIDTH iHEIGHT+iWIDTH+THICKNESS
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char input[iHEIGHT][iWIDTH]={'\0'};
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char output[oHEIGHT][oWIDTH]={'\0'};
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char unit[5][2][THICKNESS+3]={'\0'};
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bool hasup,hasdown,hasleft,hasright;    //hasleft=false 意味着左一格是'.'或没有左一格了
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bool isconcave;                         //isconcave=true意味着此处是凹形，要画底线
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/*
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choice      0           1             2            3      4
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            default                   default             default
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write       :\    \     ::            _______      |:     :|    |
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            :/    /     ~~~~~~~       ::\    \     |:     :|    |
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THICKNESS     ^^^^^
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*/
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void writeUnit(int row,int col,int choice);
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int main()
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{
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//definition
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    int i,j,row,col;
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    unit[0][0][0]=unit[0][1][0]=':';
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    unit[0][0][1]=unit[0][0][THICKNESS+1]='\\';
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    unit[0][1][1]=unit[0][1][THICKNESS+1]='/';
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    unit[1][0][0]=unit[1][0][1]=':';
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		for(i=0; i<THICKNESS+2; i++)
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			unit[1][1][i]='~';
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    unit[2][1][0]=unit[2][1][1]=':';
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    unit[2][1][2]=unit[2][1][THICKNESS+2]='\\';
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    for(i=0; i<THICKNESS+2; i++)
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        unit[2][0][i]='_';
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    unit[3][0][0]=unit[3][1][0]='|';
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    unit[3][0][1]=unit[3][1][1]=':';
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    unit[4][0][0]=unit[4][1][0]=':';
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    unit[4][0][1]=unit[4][0][THICKNESS+1]
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   =unit[4][1][1]=unit[4][1][THICKNESS+1]='|';
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//input
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    cout<<"Input a 2D description, using '/', '\\', '0' and '.':\n";
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    for(i=0; i<iHEIGHT; i++)
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        for(j=0; j<iWIDTH; j++)
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            cin>>input[i][j];
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//write
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    for(i=iHEIGHT-1; i>=0; i--)
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        for(j=0; j<iWIDTH; j++)
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        {
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            //防止数组溢出，做了些“多余”的工作！
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            hasup   = i!=0 && input[i-1][j]!='.' && i!=0;
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            hasdown = i!=iHEIGHT-1 && input[i+1][j]!='.' && i!=iHEIGHT-1;
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            hasleft = j!=0 && input[i][j-1]!='.' && j!=0;
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            hasright= j!=iWIDTH-1 && input[i][j+1]!='.' && j!=iWIDTH-1;
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            isconcave=i!=iHEIGHT-1 && j!=iWIDTH-1 && input[i+1][j+1]!='.'
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                    && (input[i][j]!='\\' || input[i+1][j+1]!='\\')
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                    && i!=iHEIGHT-1 && j!=iWIDTH-1;
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            row=1+i+j;
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            col=9-i+j;
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            /*
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               从input到output的坐标变换公式是:
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                    row'=1+row+col
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                    col'=9-row+col
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                    row=(row'-col')/2 + 4
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                    col=(row'+col')/2 - 5
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            */
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            switch(input[i][j])
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            {
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                case '0':
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                    writeUnit(row,col,0);
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                    break;
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                case '/':
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                    writeUnit(row,col, 1+ (!hasup || !hasleft));
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                    break;
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                case '\\':
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                    writeUnit(row,col, 3+ (!hasup || !hasright));
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                    break;
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                default:
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                    break;
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            }
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        }
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//output
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    for(i=0; i<oHEIGHT; i++)
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    {
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        for(j=0; j<oWIDTH; j++)
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            cout<<output[i][j];
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        cout<<endl;
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    }
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//pause
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    system("pause");
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    return 0;
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}
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void writeUnit(int row,int col,int choice)
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{
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    int i,j,k;
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    if(choice==0 || choice==4)
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    {
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        if(!hasleft)
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            unit[choice][0][0]='/';         //左边
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        else
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            unit[choice][0][0]=':';
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        if(!hasleft && !hasup)
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            for(k=2; k<=THICKNESS; k++)
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                unit[choice][0][k]='~';     //画上线
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        else if(choice==0 &&
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                    (
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                        (!hasright && !hasup)
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                    ||
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                        input[(row-col)/2 + 4][(row+col)/2 - 4]=='\\'   //右是'\'
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                    )
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               )
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            for(k=2; k<=THICKNESS; k++)
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                unit[choice][0][k]='_';     //画中线
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        else
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            for(k=2; k<=THICKNESS; k++)
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                unit[choice][0][k]=' ';
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    }
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    if(choice==0 || choice==2 || choice==4)
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    {
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        if(!hasdown)
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            unit[choice][1][0]='\\';        //底边
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        else
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            unit[choice][1][0]=':';
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        if(
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            isconcave
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        ||
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            (choice==0 && !hasdown)
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        ||
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            (
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                choice==4
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            &&
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                (
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                    (row-col)/2 + 5==iHEIGHT
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                ||
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                    (row+col)/2 - 4==iWIDTH                         //右下出界
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                ||
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                    input[(row-col)/2 + 5][(row+col)/2 - 4]!='\\'   //右下不是'\'
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                )
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            )
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        )
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            for(k=2; k<=THICKNESS; k++)
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                unit[choice][1][k]='_';     //画底线
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        else
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            for(k=2; k<=THICKNESS; k++)
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                unit[choice][1][k]=' ';
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    }
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//打印单位
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    for(i=0; i<2; i++)
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        for(j=0; j<THICKNESS+3; j++)
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            if(row+i<oHEIGHT && col+j<oWIDTH)
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            {
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                output[row+i][col+j]=unit[choice][i][j];
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            }
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}
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#undef iHEIGHT
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#undef iWIDTH
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#undef THICKNESS
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#undef oHEIGHT
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#undef oWIDTH
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