Compilare: main.cpp: In lambda function: main.cpp:28:6: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if (last && mtin[x] >= tin[node]) ^~ main.cpp:30:7: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' ++c; ^~ main.cpp:22:7: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if (x != last) ^