Compilare: user.cpp: In function ‘void read()’: user.cpp:14:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for(int i=1;i<=n;i++) ^~~ user.cpp:20:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ int y,z; ^~~ user.cpp: In function ‘void bkt()’: user.cpp:38:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<v[p[k]].size();j++) ~^~~~~~~~~~~~~~~ user.cpp:43:61: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(h==nr) {minim=min(minim,k); for(int j=0;j<v[p[k]].size();j++) ~^~~~~~~~~~~~~~~ user.cpp:50:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else { k--; for(int j=0;j<v[p[k]].size();j++) ~^~~~~~~~~~~~~~~