Compilare: main.cpp: In function 'int bfs(int, int, int)': main.cpp:75:1: warning: no return statement in function returning non-void [-Wreturn-type] 75 | } | ^ main.cpp: In function 'int main()': main.cpp:78:13: warning: unused variable 'k' [-Wunused-variable] 78 | int i,j,k,l,tx,ty,sux1,suy1,sux2,suy2,rx1,ry1,rx2,ry2,obs,a,b,difx,dify,cmm,coor1,coor2,maxim=0; | ^ main.cpp:78:15: warning: unused variable 'l' [-Wunused-variable] 78 | int i,j,k,l,tx,ty,sux1,suy1,sux2,suy2,rx1,ry1,rx2,ry2,obs,a,b,difx,dify,cmm,coor1,coor2,maxim=0; | ^