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"use strict"
function array_insert(array, index, item) {
for (let i = array.length; i > index; --i)
array[i] = array[i - 1]
array[index] = item
}
function set_add(set, item) {
let a = 0
let b = set.length - 1
while (a <= b) {
let m = (a + b) >> 1
let x = set[m]
if (item < x)
b = m - 1
else if (item > x)
a = m + 1
else
return
}
array_insert(set, a, item)
}
const ITALIA = 0
const ASIA = 1
const GALLIA = 2
const MACEDONIA = 3
const PANNONIA = 4
const THRACIA = 5
const BRITANNIA = 6
const GALATIA = 7
const SYRIA = 8
const AEGYPTUS = 9
const AFRICA = 10
const HISPANIA = 11
const ALAMANNI_HOMELAND = 12
const FRANKS_HOMELAND = 13
const GOTHS_HOMELAND = 14
const NOMADS_HOMELAND = 15
const SASSANIDS_HOMELAND = 16
const MARE_OCCIDENTALE = 17
const MARE_ORIENTALE = 18
const OCEANUS_ATLANTICUS = 19
const PONTUS_EUXINUS = 20
const names = [
"ITALIA",
"ASIA",
"GALLIA",
"MACEDONIA",
"PANNONIA",
"THRACIA",
"BRITANNIA",
"GALATIA",
"SYRIA",
"AEGYPTUS",
"AFRICA",
"HISPANIA",
"ALAMANNI_HOMELAND",
"FRANKS_HOMELAND",
"GOTHS_HOMELAND",
"NOMADS_HOMELAND",
"SASSANIDS_HOMELAND",
"MARE_OCCIDENTALE",
"MARE_ORIENTALE",
"OCEANUS_ATLANTICUS",
"PONTUS_EUXINUS",
]
const ADJACENT = [ [] ]
for (let a = 1; a <= 21; ++a)
ADJACENT[a] = []
function adj(a, ...bs) {
for (let b of bs) {
set_add(ADJACENT[a], b)
set_add(ADJACENT[b], a)
}
}
adj(ITALIA, GALLIA, PANNONIA, MARE_OCCIDENTALE)
adj(AEGYPTUS, AFRICA, SYRIA, NOMADS_HOMELAND, MARE_ORIENTALE)
adj(AFRICA, HISPANIA, AEGYPTUS, NOMADS_HOMELAND, MARE_OCCIDENTALE, MARE_ORIENTALE, OCEANUS_ATLANTICUS)
adj(ASIA, THRACIA, GALATIA, PONTUS_EUXINUS, MARE_ORIENTALE)
adj(BRITANNIA, OCEANUS_ATLANTICUS)
adj(GALATIA, ASIA, SYRIA, SASSANIDS_HOMELAND, PONTUS_EUXINUS, MARE_ORIENTALE)
adj(GALLIA, HISPANIA, ITALIA, PANNONIA, FRANKS_HOMELAND, OCEANUS_ATLANTICUS, MARE_OCCIDENTALE)
adj(HISPANIA, AFRICA, GALLIA, OCEANUS_ATLANTICUS, MARE_OCCIDENTALE)
adj(MACEDONIA, PANNONIA, THRACIA, MARE_OCCIDENTALE, MARE_ORIENTALE)
adj(PANNONIA, ITALIA, GALLIA, THRACIA, MACEDONIA, FRANKS_HOMELAND, ALAMANNI_HOMELAND, MARE_OCCIDENTALE)
adj(SYRIA, AEGYPTUS, GALATIA, SASSANIDS_HOMELAND, MARE_ORIENTALE)
adj(THRACIA, PANNONIA, MACEDONIA, ASIA, GOTHS_HOMELAND, PONTUS_EUXINUS, MARE_ORIENTALE)
adj(ALAMANNI_HOMELAND, FRANKS_HOMELAND, PANNONIA, THRACIA, GOTHS_HOMELAND)
adj(FRANKS_HOMELAND, GALLIA, PANNONIA, ALAMANNI_HOMELAND)
adj(GOTHS_HOMELAND, ALAMANNI_HOMELAND, THRACIA, PONTUS_EUXINUS)
adj(NOMADS_HOMELAND, OCEANUS_ATLANTICUS, AFRICA, AEGYPTUS)
adj(SASSANIDS_HOMELAND, PONTUS_EUXINUS, GALATIA, SYRIA)
adj(MARE_OCCIDENTALE, OCEANUS_ATLANTICUS, MARE_ORIENTALE)
adj(ALAMANNI_HOMELAND)
console.log("const ADJACENT = [")
for (let i = 0; i < 21; ++i) {
console.log("\t/*", names[i], "*/ [", ADJACENT[i].map(i => names[i]).join(", "), "],")
}
console.log("]")
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