class Solution {
public int solution(int[][] dots) {
int answer = 0;
int xMin = Integer.MAX_VALUE;
int xMax = Integer.MIN_VALUE;
int yMin = Integer.MAX_VALUE;
int yMax = Integer.MIN_VALUE;
for (int i = 0; i < dots.length; i++) {
int x = dots[i][0];
int y = dots[i][1];
xMin = Math.min(xMin, x);
xMax = Math.max(xMax, x);
yMin = Math.min(yMin, y);
yMax = Math.max(yMax, y);
}
int gapX = Math.abs(xMax - xMin);
int gapY = Math.abs(yMax - yMin);
answer = gapX * gapY;
return answer;
}
}