法一:用boolean数组(一些测试用例会越界,没有做边界检查) publicclassSolution{privatestaticStringoperate(boolean[][] arr,String op,inta,intb){switch(op) {case"AND":for(inti=0;i<arr[0].length;i++) { arr[a-1][i] = arr[a-1][i] & arr[b-1][i]; }break;case"OR":for(inti=0;i<...
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Java solution - passes 100% of test cases From myHackerRank solutions. Runtime: O(n) using HashMap and Deque. Space Complexity: O(n) publicclasstest{publicstaticvoidmain(String[]args){HashMap<Integer,Integer>map=newHashMap<>();Deque<Integer>deque=newArrayDeque<>();Scannerscan=newScanner(Sy...
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N/A Subarray Sum Closest.java Medium [PreSum, PriorityQueue, Sort, Subarray] O(nlogn) O(n) Java 225 N/A Burst Balloons.java Hard [DP, Divide and Conquer, Interval DP, Memoization] Java 226 N/A Partition Array by Odd and Even.java Easy [Array, Two Pointers] Java 227 N/A Best Time...
N/A Subarray Sum Closest.java Medium [PreSum, PriorityQueue, Sort, Subarray] O(nlogn) O(n) Java 225 N/A Burst Balloons.java Hard [DP, Divide and Conquer, Interval DP, Memoization] Java 226 N/A Partition Array by Odd and Even.java Easy [Array, Two Pointers] Java 227 N/A Best Time...
The Maximum Subarray Java Medium 50 Sherlock and Cost Java Medium 50 Xor and Sum Java Medium 50 Counting Special Sub-Cubes Java Medium 50 Two Robots Java Medium 50 Kingdom Division Java Medium 50 Prime XOR Java Medium 50 HackerRank City Java Medium 50 Nikita and the Game Java ...
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