Compilare: user.cpp: In function ‘void citire()’: user.cpp:21:39: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 3 has type ‘int*’ [-Wformat=] fscanf(f,"%ld %ld\n",&v[i].x,&v[i].y); ^ user.cpp:21:39: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 4 has type ‘int*’ [-Wformat=] user.cpp: In function ‘long int bfs(long int)’: user.cpp:63:36: warning: unused variable ‘j’ [-Wunused-variable] long int q[16000],nod,nodnou,k1,k2,j,i,l; ^ user.cpp: In function ‘void graf()’: user.cpp:112:23: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 3 has type ‘int’ [-Wformat=] fprintf(g,"%ld\n",sum); ^ user.cpp: In function ‘void citire()’: user.cpp:19:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%ld %ld\n",&nr,&k); ^ user.cpp:21:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%ld %ld\n",&v[i].x,&v[i].y); ^