g0001_0100.s0074_search_a_2d_matrix.Solution Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of leetcode-in-java17 Show documentation
Show all versions of leetcode-in-java17 Show documentation
Java Solution for LeetCode algorithm problems, continually updating
package g0001_0100.s0074_search_a_2d_matrix;
// #Medium #Top_100_Liked_Questions #Array #Binary_Search #Matrix #Data_Structure_I_Day_5_Array
// #Algorithm_II_Day_1_Binary_Search #Binary_Search_I_Day_8 #Level_2_Day_8_Binary_Search
// #Udemy_2D_Arrays/Matrix #2022_06_19_Time_0_ms_(100.00%)_Space_42.1_MB_(78.84%)
public class Solution {
public boolean searchMatrix(int[][] matrix, int target) {
int endRow = matrix.length;
int endCol = matrix[0].length;
int targetRow = 0;
boolean result = false;
for (int i = 0; i < endRow; i++) {
if (matrix[i][endCol - 1] >= target) {
targetRow = i;
break;
}
}
for (int i = 0; i < endCol; i++) {
if (matrix[targetRow][i] == target) {
result = true;
break;
}
}
return result;
}
}