**yesterday i gave my flipkart grid oa.There was three questions asked based on dsa.i do not remember question properly but i can give u an idea **

1> a string is multigram if it is not return "-1" otherwise we have to tell shortest anagram from left to right

2>we have n cordinates in x,y plane.we have to tell how many straight line can we formed using these cordinates such that in one straight line atleast 3 cordinates point should be present

3>i do not remeber 3rd question but it was based on weighted graph