Compilare: main.cpp: In function 'bool Solver::similar(std::vector<int>, std::vector<int>)': main.cpp:14:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | for(int i=0; i<p1.size(); i++) | ~^~~~~~~~~~ main.cpp:17:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | if(same==p1.size()-2) | ~~~~^~~~~~~~~~~~~ main.cpp: In function 'bool Solver::dfs(int)': main.cpp:36:41: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 36 | if(mt[v]==-1 || !vis[mt[v]] && dfs(mt[v])) | ~~~~~~~~~~~~^~~~~~~~~~~~~