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_807.java
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_807.java
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package com.fishercoder.solutions;
public class _807 {
public static class Solution1 {
public int maxIncreaseKeepingSkyline(int[][] grid) {
int size = grid.length;
int[] horizontalLimits = new int[size];
int[] verticalLimits = new int[size];
for (int i = 0; i < size; i++) {
int horizontalLimit = grid[i][0];
for (int j = 1; j < size; j++) {
horizontalLimit = Math.max(horizontalLimit, grid[i][j]);
}
horizontalLimits[i] = horizontalLimit;
}
for (int j = 0; j < size; j++) {
int verticalLimit = grid[0][j];
for (int i = 1; i < size; i++) {
verticalLimit = Math.max(verticalLimit, grid[i][j]);
}
verticalLimits[j] = verticalLimit;
}
int increases = 0;
for (int i = 0; i < size; i++) {
for (int j = 0; j < size; j++) {
if (grid[i][j] != horizontalLimits[i] && grid[i][j] != verticalLimits[j]) {
increases += Math.min(horizontalLimits[i], verticalLimits[j]) - grid[i][j];
}
}
}
return increases;
}
}
}