deno.land / x / masx200_leetcode_test@10.6.5 / partition-to-k-equal-sum-subsets / index.ts

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export default function canPartitionKSubsets( nums: number[], k: number,): boolean { const sum = nums.reduce((a, v) => a + v, 0); if (sum % k != 0) return false; const sub = Math.floor(sum / k); nums.sort((a, b) => a - b); if (nums[nums.length - 1] > sub) return false; for ( let i = nums.length - 1; i >= 0 && nums[i] === sub; i--, k--, nums.pop() // deno-lint-ignore no-empty ) { }
const n = nums.length; const dp = new Array<number>(1 << n); dp[0] = 0;
const queue = [0];
for (const i of queue) { if (i === (1 << n) - 1) return true; const cur = dp[i];
for (let j = 0; j < n; j++) { if (cur + nums[j] > sub) { break; } if (!((i) & (1 << j))) { const next = i | (1 << j);
if ("undefined" === typeof dp[next]) { dp[next] = (cur + nums[j]) % sub; queue.push(next); } } } }
return false;}
masx200_leetcode_test

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