Compilare: main.cpp: In function 'void decomp(int)': main.cpp:58:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for (int i = 0; i < factors[val[node]].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int64_t solve(int)': main.cpp:115:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 115 | for (int i = 0; i < nodes.size(); i++) { | ~~^~~~~~~~~~~~~~ main.cpp:120:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 120 | for (int i = 0; i < nodes.size()-1; i++) { | ~~^~~~~~~~~~~~~~~~