Compilare: user.cpp: In function ‘void rm()’: user.cpp:13:5: warning: this ‘while’ clause does not guard... [-Wmisleading-indentation] while(h<o) h*=2,k++; k--; ^~~~~ user.cpp:13:26: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘while’ while(h<o) h*=2,k++; k--; ^ user.cpp: In function ‘void df(int)’: user.cpp:24:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<g[nod].size();i++) ~^~~~~~~~~~~~~~ user.cpp: In function ‘void dfs(int, int)’: user.cpp:89:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<query[nod].size();i++) ~^~~~~~~~~~~~~~~~~~ user.cpp:98:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<qq[nod].size();i++) ~^~~~~~~~~~~~~~~ user.cpp:106:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<z[nod].size();i++) ~^~~~~~~~~~~~~~ user.cpp:114:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<g[nod].size();i++) ~^~~~~~~~~~~~~~ user.cpp:114:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for(int i=0;i<g[nod].size();i++) ^~~ user.cpp:116:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ pz=c; ^~