Compilare: main.cpp: In function 'int main()': main.cpp:29:31: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 29 | if (subtree[i]==x && (f[1][y]-f[i][y]>0) || (f[1][z]-f[i][z]>0)) { | ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:55:37: warning: comparison of integer expressions of different signedness: 'std::map<int, int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 55 | if (heavy==-1 || f[x].size()>maxsz) { | ~~~~~~~~~~~^~~~~~