Sum skyscrapers parks Rule
Every row and column contains a number only once.
You can't see a shorter skyscraper behind a taller one.
The number outside the grid indicates the sum of heights of visible buildings.
Complete the grid such that every row and column contains the numbers 1 to N-1.
Every row and column contains a empty cells.
Sum skyscrapers The number outside the grid indicates the sum of heights of visible buildings.
Complete the grid such that every row and column contains the numbers 1 to N-1.
Every row and column contains a empty cells.