UVA 706 - LC-Display

#include<stdio.h>
#define MAX 1000
void print(char table[][MAX],char c,int s,int x){
    int row,cul;
    for(cul=x;cul<=x+s+1;cul++)
        for(row=0;row<=2*s+2;row++)
            if(cul==x||cul==x+s+1)
                if((row>=1&&row<=s)||(row>=s+2&&row<=2*s+1))
                    table[row][cul]='|';
                else
                    table[row][cul]=' ';
            else
                if((row>=1&&row<=s)||(row>=s+2&&row<=2*s+1))
                    table[row][cul]=' ';
                else
                    table[row][cul]='-';
    switch(c){
    case '0':
        for(cul=x+1;cul<=x+s;cul++)
            table[s+1][cul]=' ';
        break;
    case '1':
        for(row=1;row<=2*s+2;row++)
            table[row][x]=' ';
        for(cul=x+1;cul<=x+s;cul++)
            table[0][cul]=table[s+1][cul]=table[2*s+2][cul]=' ';
        break;
    case '2':
        for(row=1;row<=s;row++)
            table[row][x]=' ';
        for(row=s+2;row<=2*s+1;row++)
            table[row][x+s+1]=' ';
        break;
    case '3':
        for(row=1;row<=2*s+1;row++)
            table[row][x]=' ';
        break;
    case '4':
        for(cul=x;cul<=x+s+1;cul++)
            table[0][cul]=table[2*s+2][cul]=' ';
        for(row=s+2;row<=2*s+1;row++)
            table[row][x]=' ';
        break;
    case '5':
        for(row=1;row<=s;row++)
            table[row][x+s+1]=' ';
        for(row=s+2;row<=2*s+1;row++)
            table[row][x]=' ';
        break;
    case '6':
        for(row=1;row<=s;row++)
            table[row][x+s+1]=' ';
        break;
    case '7':
        for(row=1;row<=2*s+1;row++)
            table[row][x]=' ';
        for(cul=x+1;cul<=x+s;cul++)
            table[s+1][cul]=table[2*s+2][cul]=' ';
        break;
    case '8':
        break;
    case '9':
        for(row=s+2;row<=2*s+1;row++)
            table[row][x]=' ';
        break;
    }
    for(row=0;row<=2*s+2;row++)
        table[row][x+s+2]=' ';
}
int main(){
    int s;
    char str[100];
    while(scanf("%d%s",&s,str)==2){
        if(s==0&&(str[0]=='0'&&str[1]=='\0'))
            break;
        char table[30][MAX];
        int row,cul=0;
        for(int i=0;str[i]!='\0';i++){
            print(table,str[i],s,cul);
            cul+=s+3;
        }
        for(row=0,cul--;row<=2*s+2;row++)
            table[row][cul]='\0';
        for(int i=0;i<=2*s+2;i++)
            printf("%s\n",table[i]);
        putchar('\n');
    }
    return 0;
}