Compilare: user.cpp: In function ‘void Citire()’: user.cpp:17:8: warning: unused variable ‘j’ [-Wunused-variable] int i, j, x, y, c; ^ user.cpp:17:17: warning: unused variable ‘c’ [-Wunused-variable] int i, j, x, y, c; ^ user.cpp: In function ‘int BFS(int, int)’: user.cpp:61:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[x].size();i++){ ^ user.cpp: In function ‘void Rezolvare()’: user.cpp:84:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[N].size() && K > 0 ;i++) ^ user.cpp:80:18: warning: unused variable ‘y’ [-Wunused-variable] int minim, U, x, y, j; ^ user.cpp:80:21: warning: unused variable ‘j’ [-Wunused-variable] int minim, U, x, y, j; ^ user.cpp: In function ‘void Citire()’: user.cpp:20:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d\n",&M,&K); ^ user.cpp:23:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d\n",&x,&y); ^