problem link
in this problem, i am not able to understand even sample test cases, and there is no explanation for test cases in dissussion or editorial
if anyOne can understand problem, please help me to understand problem and sample test case
Please Help
Test case 1:
The two points that need to be added are (1, 1), (1, 2)
Test case 2:
The one point needed to be added is (2, 2)