Submission Build index on the number of occurrences Otherwise, in linear query, one case will exceed the time limit
Arrays – DS
Description Submissions Submission I Submission II References https://stackoverflow.com/questions/28148205/copy-a-vector-to-another-vector-in-reverse-order/28148217 http://www.cplusplus.com/reference/algorithm/reverse_copy/
Array Manipulation
Description Submissions Submission 1 O(n^2) exceeds the time limit for large test case a naive solution Submission 2 Focus on the less changed value, the […]