Ideone.com | Online Prolog Interpreter & Debugging Tool

language:	Prolog (swi) (swipl 5.6.64)
date:	120 days 16 hours ago
link:
visibility:	public private user's deleted

source code clone download copy to clipboard report bug / make suggestion

1
2
3
4
5
6
append([],Y,Y).
append([W|X],Y,[W|Z]):- append(X,Y,Z).
reverse([],[]).
reverse([W|X],Y):- reverse(X,Xr),append(Xr,[W],Y).
 
|?-reverse(X,[a,b,c]).

clone download copy to clipboard

compilation info hide

source code

syntax highlight

input (#_)

input / output show all hide all

# 2 # 1

upload with new input
# 2: hide show clone input 120 days 16 hours ago Success

result: Success time: 0.02s memory: 6204 kB returned value: 0
input:
```
|?-reverse(X,[a,b,c]).
```
output: no
stderr:
```
ERROR: /home/PGs44T/prog.pl:6:0: Syntax error: Operator expected

ERROR: Syntax error: Operator expected
ERROR: |
ERROR: ** here **
ERROR: ?-reverse(X,[a,b,c]) . 
```
# 1: hide show clone input 120 days 16 hours ago Success

result: Success time: 0.02s memory: 6204 kB returned value: 0

input: no

output: no
stderr:
```
ERROR: /home/rs8ZAC/prog.pl:6:0: Syntax error: Operator expected
```

UsernamePassword

Username
Password