Compilare: user.cpp: In function ‘void DFS(int, int)’: user.cpp:32:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[node].size(); i++) ^ user.cpp: In function ‘int binSearch1(int, int)’: user.cpp:106:35: warning: unused variable ‘mid’ [-Wunused-variable] int left = 1, right = Poz[x], mid, sol = 0; ^ user.cpp: In function ‘int binSearch2(int, int)’: user.cpp:123:35: warning: unused variable ‘mid’ [-Wunused-variable] int left = Poz[x], right = N, mid, sol = 0; ^