main.adb:38:07: warning: initialization of "Vis_Array" has no effect[#0]
main.adb:39:07: warning: initialization of "Visited_Cell" has no effect[#1]
main.adb:43:23: warning: unused assignment[#2]
main.adb:44:20: warning: unused assignment[#3]
main.adb:45:20: warning: unused assignment[#4]
main.adb:46:20: warning: unused assignment[#5]
main.adb:47:20: warning: unused assignment[#6]
