Compilare: main.cpp: In function 'void BFS()': main.cpp:26:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<mv[x].size();i++){ ~^~~~~~~~~~~~~ main.cpp:18:10: warning: unused variable 'j' [-Wunused-variable] int i,x,j; ^ main.cpp: In function 'int main()': main.cpp:66:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=1;i<=n;i++) ^~~ main.cpp:69:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for(i=1;i<=m;i++){ ^~~ main.cpp:74:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<s.size();j++){ ~^~~~~~~~~ main.cpp:95:13: warning: unused variable 'st' [-Wunused-variable] int st=1,aux,aux1,aux2; ^~ main.cpp:95:18: warning: unused variable 'aux' [-Wunused-variable] int st=1,aux,aux1,aux2; ^~~ main.cpp:95:22: warning: unused variable 'aux1' [-Wunused-variable] int st=1,aux,aux1,aux2; ^~~~ main.cpp:95:27: warning: unused variable 'aux2' [-Wunused-variable] int st=1,aux,aux1,aux2; ^~~~ main.cpp:57:8: warning: unused variable 'nr' [-Wunused-variable] int m,nr=0,p,i,k=0,maxv=-1,poz=0; ^~ main.cpp:57:21: warning: unused variable 'maxv' [-Wunused-variable] int m,nr=0,p,i,k=0,maxv=-1,poz=0; ^~~~ main.cpp:57:29: warning: unused variable 'poz' [-Wunused-variable] int m,nr=0,p,i,k=0,maxv=-1,poz=0; ^~~