Compilare: user.cpp: In function ‘void balance(treap*&)’: user.cpp:73:5: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation] if(nod->dr->pr>nod->pr); ^~ user.cpp:74:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘if’ rot2(nod); ^~~~ user.cpp: In function ‘int main()’: user.cpp:156:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<strlen(sir);i++) ~^~~~~~~~~~~~ user.cpp:167:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<strlen(sir);i++) ~^~~~~~~~~~~~ user.cpp:178:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<strlen(sir);i++) ~^~~~~~~~~~~~