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Update script #620
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Update script #620
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48 changes: 48 additions & 0 deletions
48
solution/2000-2099/2092.Find All People With Secret/Solution.ts
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,48 @@ | ||
function findAllPeople(n: number, meetings: number[][], firstPerson: number): number[] { | ||
let parent: Array<number> = Array.from({ length: n + 1 }, (v, i) => i); | ||
parent[firstPerson] = 0; | ||
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function findParent (index: number): number { | ||
if (parent[index] != index) parent[index] = findParent(parent[index]); | ||
return parent[index]; | ||
} | ||
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let map = new Map<number, Array<Array<number>>>(); | ||
for (let meeting of meetings) { | ||
const time = meeting[2]; | ||
let members: Array<Array<number>> = map.get(time) || new Array(); | ||
members.push(meeting); | ||
map.set(time, members); | ||
} | ||
const times = [...map.keys()].sort((a, b) => a - b); | ||
for (let time of times) { | ||
// round 1 | ||
for (let meeting of map.get(time)) { | ||
let [a, b] = meeting; | ||
if (!parent[findParent(a)] || !parent[findParent(b)]) { | ||
parent[findParent(a)] = 0; | ||
parent[findParent(b)] = 0; | ||
} | ||
parent[findParent(a)] = parent[findParent(b)]; | ||
} | ||
// round 2 | ||
for (let meeting of map.get(time)) { | ||
let [a, b] = meeting; | ||
if (!parent[findParent(a)] || !parent[findParent(b)]) { | ||
parent[findParent(a)] = 0; | ||
parent[findParent(b)] = 0; | ||
} else { | ||
parent[a] = a; | ||
parent[b] = b; | ||
} | ||
} | ||
} | ||
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let ans = new Array<number>(); | ||
for (let i = 0 ; i <= n; i++) { | ||
if (!parent[findParent(i)]) { | ||
ans.push(i); | ||
} | ||
} | ||
return ans; | ||
}; |
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Original file line number | Diff line number | Diff line change |
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@@ -30,6 +30,14 @@ | |
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``` | ||
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### **TypeScript** | ||
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<!-- 这里可写当前语言的特殊实现逻辑 --> | ||
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```ts | ||
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``` | ||
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### **...** | ||
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``` | ||
|
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Original file line number | Diff line number | Diff line change |
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@@ -22,6 +22,14 @@ | |
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``` | ||
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### **TypeScript** | ||
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<!-- 这里可写当前语言的特殊实现逻辑 --> | ||
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```ts | ||
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``` | ||
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### **...** | ||
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``` | ||
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