LeetCode 1476: Subrectangle Queries Solution
Master LeetCode problem 1476 (Subrectangle Queries), a medium challenge, with our optimized solutions in Java, C++, and Python. Explore detailed explanations, test your code in our interactive editor, and prepare for coding interviews.
Problem Explanation
Explanation:
To solve this problem, we can maintain the rectangle as a 2D array and update the values in the specified subrectangle directly. We can then retrieve the value of a specific cell by accessing its corresponding indices in the 2D array.
For updating a subrectangle, we iterate over the specified range and update each cell with the new value. For getting the value of a cell, we simply return the value at the specified indices in the 2D array. Solution:
Solution Code
class SubrectangleQueries {
int[][] rectangle;
public SubrectangleQueries(int[][] rectangle) {
this.rectangle = rectangle;
}
public void updateSubrectangle(int row1, int col1, int row2, int col2, int newValue) {
for (int i = row1; i <= row2; i++) {
for (int j = col1; j <= col2; j++) {
rectangle[i][j] = newValue;
}
}
}
public int getValue(int row, int col) {
return rectangle[row][col];
}
}Try It Yourself
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