Compilare: main.cpp: In function 'int check()': main.cpp:73:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(j=i+1; j<=n && edge[node][ord[j]]; ++j); --j; ^~~ main.cpp:73:54: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for(j=i+1; j<=n && edge[node][ord[j]]; ++j); --j; ^~