Count the number of 1s islands in a matrix of 0s and 1s.
Given a matrix of 0s and 1s, count the number of 1s islands. An island is a group of 1s that are connected horizontally and vertically, but not diagonally.
# | Size | % | Users |
---|---|---|---|
#1 | 114 c. | Top 10% | |
#2 | 116 c. | Top 20% | |
#3 | 122 c. | Top 30% | |
#4 | 129 c. | Top 40% | |
#5 | 163 c. | Top 60% | |
#6 | 196 c. | Top 70% | |
#7 | 218 c. | Top 80% | |
#8 | 255 c. | Top 90% | |
#9 | 293 c. | Top 100% |