Compilare: main.cpp: In function 'int main()': main.cpp:49:13: warning: unused variable 'm' [-Wunused-variable] int m=1; ^ main.cpp:48:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(i==n+1) ^~ main.cpp:50:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' if(viz[i]!=1) ^~ main.cpp:62:13: warning: unused variable 'qq' [-Wunused-variable] int qq=early[curent].front(); ^~