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