Compilare: main.cpp: In function 'int main()': main.cpp:43:16: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 43 | for(int i=0; i<nodes; ++i) | ~^~~~~~ main.cpp:49:12: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 49 | while(pos < nodes || internal_q.size() > 1) | ~~~~^~~~~~~ main.cpp:52:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 52 | if (pos == nodes) | ~~~~^~~~~~~~ main.cpp:80:12: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 80 | if (pos < nodes && !internal_q.empty()) | ~~~~^~~~~~~ main.cpp:82:13: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 82 | if (pos < nodes && symbol_q[pos]->val <= internal_q.front()->val) | ~~~~^~~~~~~ main.cpp:96:12: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 96 | if(pos == nodes) | ~~~~^~~~~~~~ main.cpp:121:15: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 121 | for(int i=0;i<nodes;++i) | ~^~~~~~