000107.cpp: In function 'bool hasEdge(int, int)':
000107.cpp:32:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
000107.cpp: In function 'void findPath(int)':
000107.cpp:55:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
000107.cpp: In function 'void dfs(int)':
000107.cpp:73:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
000107.cpp: In function 'int main()':
000107.cpp:102:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
