Compilare: user.cpp:161:7: warning: "/*" within comment [-Wcomment] /* if(sir[0]=='C') user.cpp: In function ‘void balance(treap*&)’: user.cpp:61:5: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation] if(nod->dr->pr>nod->pr); ^~ user.cpp:62:9: 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:140:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<strlen(sir);i++) ~^~~~~~~~~~~~