Eroare de compilare: main.cpp: In function 'void pop_first(vint&)': main.cpp:17:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for(int i = 1; i < path.size(); i++) | ~~^~~~~~~~~~~~~ main.cpp: At global scope: main.cpp:158:1: error: 'queue' does not name a type 158 | queue<int> que; | ^~~~~ main.cpp: In function 'int append_shortest_path(int)': main.cpp:168:5: error: 'que' was not declared in this scope 168 | que.push(gica_place); | ^~~ main.cpp:185:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 185 | for(int i = 1; i < comp_bicon[tree_node].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:309:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 309 | for(int i = 0; i < tree_path.size() && still_possible; i++){ | ~~^~~~~~~~~~~~~~~~~~ main.cpp:311:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 311 | int tail = (i + 1 < tree_path.size()? | ~~~~~~^~~~~~~~~~~~~~~~~~ Non zero exit status: 1