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21 lines
501 B
TypeScript
21 lines
501 B
TypeScript
export function maxSum(nums: number[], k: number) {
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const L = nums.length;
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if (k > L) return 0;
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/* считаем первое окно */
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let sum = 0;
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for (let i = 0; i < k; i++) {
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sum += nums[i];
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}
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/* смещем окно, переситываем результат, выбираем максимальный */
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let maxSumRes = sum;
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for (let i = k; i < L; i++) {
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sum = sum - nums[i - k] + nums[i];
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maxSumRes = Math.max(maxSumRes, sum);
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}
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return maxSumRes;
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};
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