Compilare: user.cpp: In function ‘void BFS()’: user.cpp:29:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < V[Cd[1][p]].size(); i ++) ^ user.cpp:31:35: warning: value computed is not used [-Wunused-value] F[V[Cd[1][p]][i]] == 1; ^ user.cpp: In function ‘void SetUp()’: user.cpp:14:41: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d %d ", &N, &M, &S); ^ user.cpp:16:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d", &X, &Y); ^ user.cpp: In function ‘void BFS()’: user.cpp:25:9: warning: array subscript is above array bounds [-Warray-bounds] Cd[2][K] = 0; ^ user.cpp:34:32: warning: array subscript is above array bounds [-Warray-bounds] Cd[2][u] = Cd[2][p] + 1; ^ user.cpp:34:21: warning: array subscript is above array bounds [-Warray-bounds] Cd[2][u] = Cd[2][p] + 1; ^