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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To extend this problem to contiguous subarrays, we use an ArrayDeque to keep track of the elements in each subarray. By being able to add/remove from our ArrayDeque, we can keep track of which elements we are currently considering for our subarray. map.(old)==1){map.remove(old);}else{...
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 ...
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 ...
class Solution { public int minSubArrayLen(int target, int[] nums) { int left = 0, sum = 0, minLen = Integer.MAX_VALUE; for (int right = 0; right < nums.length; right++) { sum += nums[right]; while (sum >= target) { minLen = Math.min(minLen, right - left + 1...
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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