双指针法
public class Solution {
public int maxArea(int[] height) {
int l = 0, r = height.length - 1;
int ans = 0;
while (l < r) {
int area = Math.min(height[l], height[r]) * (r - l);
ans = Math.max(ans, area);
if (height[l] <= height[r]) {
++l;
}
else {
--r;
}
}
return ans;
}
}
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