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javadevjavadev
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Improved tasks 3392-3405
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12 files changed

+14
-23
lines changed
  • src/main/java
    • g3301_3400
      • s3392_count_subarrays_of_length_three_with_a_condition
      • s3393_count_paths_with_the_given_xor_value
      • s3394_check_if_grid_can_be_cut_into_sections
      • s3395_subsequences_with_a_unique_middle_mode_i
      • s3396_minimum_number_of_operations_to_make_elements_in_array_distinct
      • s3397_maximum_number_of_distinct_elements_after_operations
      • s3398_smallest_substring_with_identical_characters_i
      • s3399_smallest_substring_with_identical_characters_ii
    • g3401_3500
      • s3402_minimum_operations_to_make_columns_strictly_increasing
      • s3403_find_the_lexicographically_largest_string_from_the_box_i
      • s3404_count_special_subsequences
      • s3405_count_the_number_of_arrays_with_k_matching_adjacent_elements

12 files changed

+14
-23
lines changed

‎src/main/java/g3301_3400/s3392_count_subarrays_of_length_three_with_a_condition/Solution.java‎

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package g3301_3400.s3392_count_subarrays_of_length_three_with_a_condition;
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// #Easy #Array #Sliding_Window #2024_12_22_Time_1_ms_(100.00%)_Space_45.5_MB_(100.00%)
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// #Easy #Array #2025_01_06_Time_1_(100.00%)_Space_44.87_(93.12%)
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public class Solution {
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public int countSubarrays(int[] nums) {

‎src/main/java/g3301_3400/s3393_count_paths_with_the_given_xor_value/Solution.java‎

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package g3301_3400.s3393_count_paths_with_the_given_xor_value;
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// #Medium #Dynamic_Programming #Math #Bit_Manipulation
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// #2024_12_22_Time_83_ms_(100.00%)_Space_57_MB_(100.00%)
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// #Medium #Array #Dynamic_Programming #Math #Matrix #Bit_Manipulation
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// #2025_01_06_Time_76_(62.72%)_Space_56.92_(68.41%)
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import java.util.Arrays;
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‎src/main/java/g3301_3400/s3394_check_if_grid_can_be_cut_into_sections/Solution.java‎

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package g3301_3400.s3394_check_if_grid_can_be_cut_into_sections;
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// #Medium #Sorting #Greedy #Simulation #Geometry #Line_Sweep #Grid
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// #2024_12_22_Time_136_ms_(100.00%)_Space_128.7_MB_(100.00%)
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// #Medium #Geometry #Line_Sweep #2025_01_06_Time_143_(30.90%)_Space_127.26_(32.16%)
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import java.util.Arrays;
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‎src/main/java/g3301_3400/s3395_subsequences_with_a_unique_middle_mode_i/Solution.java‎

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package g3301_3400.s3395_subsequences_with_a_unique_middle_mode_i;
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// #Hard #Dynamic_Programming #Sliding_Window #Combinatorics #Subsequence
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// #2024_12_22_Time_1115_ms_(100.00%)_Space_45.2_MB_(100.00%)
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// #Hard #Array #Hash_Table #Math #Combinatorics
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// #2025_01_06_Time_1141_(39.01%)_Space_44.78_(100.00%)
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import java.util.ArrayList;
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import java.util.HashMap;

‎src/main/java/g3301_3400/s3396_minimum_number_of_operations_to_make_elements_in_array_distinct/Solution.java‎

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package g3301_3400.s3396_minimum_number_of_operations_to_make_elements_in_array_distinct;
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// #Easy #Array #Greedy #Simulation #Distinct #Elements #Operations
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// #2024_12_22_Time_4_ms_(100.00%)_Space_45_MB_(100.00%)
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// #Easy #Array #Greedy #Simulation #2025_01_06_Time_3_(60.47%)_Space_44.61_(50.65%)
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import java.util.HashMap;
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import java.util.Map;

‎src/main/java/g3301_3400/s3397_maximum_number_of_distinct_elements_after_operations/Solution.java‎

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package g3301_3400.s3397_maximum_number_of_distinct_elements_after_operations;
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// #Medium #Array #Greedy #Distinct #Elements #Mathematics #Operations #Optimization
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// #2024_12_22_Time_19_ms_(100.00%)_Space_57.8_MB_(100.00%)
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// #Medium #Array #Sorting #Greedy #2025_01_06_Time_19_(84.32%)_Space_57.84_(93.53%)
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import java.util.Arrays;
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‎src/main/java/g3301_3400/s3398_smallest_substring_with_identical_characters_i/Solution.java‎

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package g3301_3400.s3398_smallest_substring_with_identical_characters_i;
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// #Hard #String #Greedy #Bit_Manipulation #Sliding_Window #Optimization
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// #2024_12_24_Time_1_ms_(100.00%)_Space_42.9_MB_(39.83%)
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// #Hard #Array #Binary_Search #Enumeration #2025_01_06_Time_1_(100.00%)_Space_42.72_(39.94%)
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public class Solution {
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public int minLength(String s, int ops) {

‎src/main/java/g3301_3400/s3399_smallest_substring_with_identical_characters_ii/Solution.java‎

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package g3301_3400.s3399_smallest_substring_with_identical_characters_ii;
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// #Hard #String #Greedy #Bit_Manipulation #Sliding_Window #Optimization
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// #2024_12_24_Time_15_ms_(99.39%)_Space_45.9_MB_(43.03%)
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// #Hard #Bit_Manipulation #Sliding_Window #2025_01_06_Time_15_(98.93%)_Space_45.62_(57.38%)
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import java.util.ArrayList;
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import java.util.List;

‎src/main/java/g3401_3500/s3402_minimum_operations_to_make_columns_strictly_increasing/Solution.java‎

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package g3401_3500.s3402_minimum_operations_to_make_columns_strictly_increasing;
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// #Easy #Array #Dynamic_Programming #Greedy #Matrix #Simulation
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// #2024_12_29_Time_1_(100.00%)_Space_44.99_(100.00%)
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// #Easy #Matrix #Simulation #2025_01_06_Time_1_(99.95%)_Space_45.24_(62.37%)
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public class Solution {
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public int minimumOperations(int[][] grid) {

‎src/main/java/g3401_3500/s3403_find_the_lexicographically_largest_string_from_the_box_i/Solution.java‎

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package g3401_3500.s3403_find_the_lexicographically_largest_string_from_the_box_i;
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// #Medium #String #Sorting #Greedy #Backtracking #Combinatorics
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// #2024_12_29_Time_5_(100.00%)_Space_45.20_(100.00%)
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// #Medium #String #Two_Pointers #Enumeration #2025_01_06_Time_5_(89.70%)_Space_45.38_(80.39%)
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public class Solution {
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public String answerString(String word, int numFriends) {

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