Compilare: main.cpp: In function 'void searchDfs(int, std::vector<int>&, std::vector<int>&)': main.cpp:39:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for(int i = 0; i < nodes.size(); i++) | ~~^~~~~~~~~~~~~~ main.cpp: In function 'std::vector<std::vector<int> > decompose(std::vector<int>)': main.cpp:46:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for(int i = 0; i < nodes.size(); i++) | ~~^~~~~~~~~~~~~~ main.cpp:49:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | for(int i = 0; i < nodes.size(); i++) | ~~^~~~~~~~~~~~~~ main.cpp: In function 'void complement(std::vector<int>)': main.cpp:62:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | for(int i = 0; i < nodes.size(); i++) | ~~^~~~~~~~~~~~~~ main.cpp:63:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for(int j = 0; j < nodes.size(); j++) | ~~^~~~~~~~~~~~~~ main.cpp: In function 'answer dfs(std::vector<int>)': main.cpp:75:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | for(int i = 0; i < comp.size(); i++) | ~~^~~~~~~~~~~~~ main.cpp:86:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 86 | for(int i = 0; i < complementComp.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp:90:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 90 | for(int j = 0; j < ax.vec.size(); j++) | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void printAnswer(answer)': main.cpp:100:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 100 | for(int i = 0; i < ans.vec.size(); i++) | ~~^~~~~~~~~~~~~~~~