68 lines
1.8 KiB
Plaintext
68 lines
1.8 KiB
Plaintext
|
# 1
|
||
|
|
|
||
|
|
MATCH (:Country {name:"Greece"})-[:Borders]->(c:Country)<-[e:Encompasses]-(k:Continent WHERE k.name <> 'Europe' OR e.percentage <> "100.0")
|
||
|
|
RETURN DISTINCT c.name;
|
||
|
|
|
||
|
|
# 2 - VALID
|
||
|
|
|
||
|
|
MATCH (:Country {name:"China"})-[:Borders]->(c:Country)-[:Borders]->(c2:Country)-[:Borders]->(:Country {name:"China"})
|
||
|
|
WHERE c.name < c2.name
|
||
|
|
RETURN c.name, c2.name;
|
||
|
|
|
||
|
|
# 3
|
||
|
|
|
||
|
|
MATCH (:Continent {name:"Europe"})-[:Encompasses {percentage:"100.0"}]->(c:Country)-[:Borders]->(:Country)<-[e:Encompasses]-(k:Continent WHERE k.name <> "Europe" OR e.percentage <> "100.0")
|
||
|
|
RETURN DISTINCT c.name;
|
||
|
|
|
||
|
|
# 4
|
||
|
|
|
||
|
|
MATCH (:Country {name:"Turkey"})-[:Borders *..2]->(c:Country WHERE c.name <> "Turkey")<-[:Encompasses]-(k:Continent {name:"Asia"})
|
||
|
|
RETURN DISTINCT c.name
|
||
|
|
ORDER BY c.name;
|
||
|
|
|
||
|
|
# 5 - VALID
|
||
|
|
|
||
|
|
MATCH (:Continent {name:"Europe"})-[:Encompasses {percentage: "100.0"}]->(c:Country)
|
||
|
|
WITH c, COUNT {(c)-[:Borders]->()} AS degree
|
||
|
|
RETURN c.name, degree
|
||
|
|
ORDER BY degree DESC;
|
||
|
|
|
||
|
|
# 6 - VALID
|
||
|
|
|
||
|
|
MATCH (c:Country)
|
||
|
|
WITH c, COUNT{(c)-[:Borders]->()} AS degree
|
||
|
|
RETURN c.name, degree
|
||
|
|
ORDER BY degree DESC
|
||
|
|
LIMIT 1;
|
||
|
|
|
||
|
|
# 7 - VALID
|
||
|
|
|
||
|
|
MATCH p=shortestPath((:Country {name:"Belgium"})-[:Borders *]->(:Country {name:"China"}))
|
||
|
|
RETURN p;
|
||
|
|
|
||
|
|
# 8
|
||
|
|
|
||
|
|
MATCH p=shortestPath((:Country {name:"Belgium"})-[:Borders *]->(d:Country WHERE d.name <> "Belgium"))
|
||
|
|
RETURN d.name
|
||
|
|
ORDER BY length(p) DESC
|
||
|
|
LIMIT 1
|
||
|
|
;
|
||
|
|
|
||
|
|
# 9 - VALID
|
||
|
|
|
||
|
|
MATCH (c:Country)-[:Borders]->(c1:Country)
|
||
|
|
MATCH (c:Country)-[:Borders]->(c2:Country)
|
||
|
|
MATCH (c:Country)-[:Borders]->(c3:Country)
|
||
|
|
MATCH (c1:Country)-[:Borders]->(c2:Country)-[:Borders]->(c3:Country)-[:Borders]->(c1:Country)
|
||
|
|
WITH c, COUNT {(c)-[:Borders]->()} AS degree
|
||
|
|
WHERE degree = 3
|
||
|
|
RETURN DISTINCT c.name;
|
||
|
|
|
||
|
|
|
||
|
|
# 10 - VALID
|
||
|
|
|
||
|
|
MATCH (:Continent {name:"Europe"})-[:Encompasses]->(c:Country)
|
||
|
|
WHERE NOT (c:Country)-[:Borders *1..3]->(:Country)<-[:Encompasses]-(:Continent {name:"Asia"})
|
||
|
|
RETURN c.name
|
||
|
|
ORDER BY c.name;
|