Problem1:  **top K frequent items** if they have same freq then ascending order - use maxheap to solve \nsolved with all testcases passed\nProblem2:   **Design Rest api to get capital of the given country**--if you know about requests and json parsing techniques then its easy to return the output - solved with all test cases\n\nProblem 3:   **Find the min cost path graph problem**

Problem1:  top K frequent items if they have same freq then ascending order - use maxheap to solve \nsolved with all testcases passed\nProblem2:   Design Rest a