An algorithm has been written to control an automated ticket dispenser at an attraction based on the ticket category selected by the visitor.

Figure 1

1      category ← USERINPUT
2      IF category = 'adult' THEN
3          limit ← 4
4      ELSE IF category = 'child' THEN
5          lim ← 2
6      ELSE IF category = 'senior' THEN
7          limit ← 3
8      ELSE
9          OUTPUT 'invalid category'
10     ENDIF
11     FOR i ← 1 TO limit
12         IF i < 3 THEN
13             PRINT_TICKET('standard')
14         ELSE
15             PRINT_TICKET('priority')
16         ENDIF
17     ENDFOR