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Commit cf89242

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14 files changed

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‎PreffixSumSlidingWindow/.idea/misc.xml

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‎PreffixSumSlidingWindow/.idea/modules.xml

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‎PreffixSumSlidingWindow/.idea/workspace.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<module type="JAVA_MODULE" version="4">
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<component name="NewModuleRootManager" inherit-compiler-output="true">
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<exclude-output />
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<content url="file://$MODULE_DIR$">
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<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
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</content>
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<orderEntry type="inheritedJdk" />
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<orderEntry type="sourceFolder" forTests="false" />
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</component>
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</module>
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‎PreffixSumSlidingWindow/raw/links

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sliding window algorithm
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http://www.geeksforgeeks.org/window-sliding-technique/
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http://www.geeksforgeeks.org/sliding-window-maximum-maximum-of-all-subarrays-of-size-k/
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https://www.nayuki.io/page/sliding-window-minimum-maximum-algorithm
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https://algorithmsandme.in/2014/03/15/heaps-sliding-window-algorithm/
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Problems
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https://www.hackerrank.com/contests/101hack51/challenges/charging-the-batteries/
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prefix sums/sliding window
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https://discuss.leetcode.com/topic/87710/javascript-o-n-using-flexible-sliding-window-and-prefix-sums
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https://cs.stackexchange.com/questions/39529/efficient-way-to-calculate-sum-in-sliding-window
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https://cs.stackexchange.com/questions/64305/sliding-window-sum-greater-than-n-using-as-few-numbers-as-possible
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package problems;
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public class SumOfSubset {
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public static int maxSumOfSubsetK(int [] set, int k) {
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int limit = set.length;
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if(k < limit)
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return -1;
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int acc = 0;
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for (int i=0; i<k ; i++) {
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acc += set[i];
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}
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int partial = acc;
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for (int i = k; i < limit ; i++) {
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partial = partial + set[i] - set[i-k];
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acc = Math.max(acc, partial);
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}
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return acc;
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}
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public static void test1() {
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int [][] set = {
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{5 , 2 , -1 , 0 , 3}
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,{100, 200, 300,400}
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,{1, 4, 2, 10, 23, 3, 1, 0, 20}
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,{4, 2, 10, 23}
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};
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System.out.println(maxSumOfSubsetK(set[2], 4));
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}
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public static void main(String[] args) {
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test1();
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}
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}

‎UnionFind/.idea/workspace.xml

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