pq.push({arr[i][0],{i,0}});
How this line work ?? I didn’t get it
Merge K Sorted Array
Mention the timestamp in the video.
Also…what is your doubt?
pq.push({arr[i][0],{i,0}}); is most probably making a pair (of an integer and another pair) and then pushing in the priority queue. This is one way to make pair without using make_pair function
Getting error
Check now.
vector<vector> arr(r,vector©);//Changed
it means a vector of vector[row][col] ??
Yes…this is the way to make a 2d vector with given number of rows and columns
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