C :

#include<stdio.h>
#include<string.h>

int main()
{
	int c,i,k;
	char a[101],b[101];
	scanf("%d",&c);
	while(c--)
	{
		scanf("%s",a);
		for(k=i=0;i<strlen(a);i++)
		{
			if(a[i]=='#')
				b[k++]=' ';
			else if((a[i]>='1'&&a[i]<='9')&&(a[i+1]<'0'||a[i+1]>'9'))
				b[k++]=a[i]-'0'+64;
			else if((a[i]>='1'&&a[i]<='9')&&(a[i+1]>='0'&&a[i+1]<='9'))
			{
				b[k++]=(a[i]-'0')*10+a[i+1]-'0'+64;
				i++;
			}
		}
		b[k]='\0';
		printf("%s\n",b);
	}
	return 0;
}

C++ :

#include<stdio.h>
#include<string.h>

int main()
{
	int c,i,k;
	char a[101],b[101];
	scanf("%d",&c);
	while(c--)
	{
		scanf("%s",a);
		for(k=i=0;i<strlen(a);i++)
		{
			if(a[i]=='#')
				b[k++]=' ';
			else if((a[i]>='1'&&a[i]<='9')&&(a[i+1]<'0'||a[i+1]>'9'))
				b[k++]=a[i]-'0'+64;
			else if((a[i]>='1'&&a[i]<='9')&&(a[i+1]>='0'&&a[i+1]<='9'))
			{
				b[k++]=(a[i]-'0')*10+a[i+1]-'0'+64;
				i++;
			}
		}
		b[k]='\0';
		printf("%s\n",b);
	}
	return 0;
}

Java :

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		int n = Integer.parseInt(in.nextLine());
		while(n-->0){
			String str = in.nextLine();
			StringBuffer out = new StringBuffer();
			StringBuffer tem = new StringBuffer();
			for(int i=0;i<str.length();i++){
				char c = str.charAt(i);
				if(c=='#'){
					if(tem.length()!=0)out.append((char)('A'+Integer.parseInt(tem.toString())-1));
					out.append(' ');
					tem.delete(0, tem.length());
				}else if(c=='-'){
					if(tem.length()!=0)out.append((char)('A'+Integer.parseInt(tem.toString())-1));
					tem.delete(0, tem.length());
				}else tem.append(c);
			}
			if(tem.length()!=0)out.append((char)('A'+Integer.parseInt(tem.toString())-1));
			System.out.println(out);
		}
	}

}