Compilare: main.cpp: In function 'void decomp(int)': main.cpp:57:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 57 | for (int i = 0; i < factors[val[node]].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int64_t solve(int)': main.cpp:114:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 114 | for (int i = 0; i < nodes.size(); i++) { | ~~^~~~~~~~~~~~~~ main.cpp:119:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 119 | for (int i = 0; i < nodes.size()-1; i++) { | ~~^~~~~~~~~~~~~~~~