POJ2728 minimum ratio spanning tree (required unrestrained: 0/1 fractional programming
POJ3662 TL (a two partial answers + deque bfs of solution) (Required Knowledge: deque bfs)
POJ2728 minimum ratio spanning tree (required unrestrained: 0/1 fractional programming
POJ3662 TL (a two partial answers + deque bfs of solution) (Required Knowledge: deque bfs)