Compilare: main.cpp: In function 'int main()': main.cpp:116:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(find(v[i].first)!=find(v[i].second)) ^~ main.cpp:118:11: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' ans+=cost[v[i].first][v[i].second]; ^~~