Compilare: main.cpp: In function 'int main()': main.cpp:32:41: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | for (int it = 0; it < ds[j-v[i]].size(); ++it) | ~~~^~~~~~~~~~~~~~~~~~~ main.cpp:47:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | for (int i = 0; i < ds[m/k].size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp:50:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for (int l = i; l < ds[m/k].size(); l++) | ~~^~~~~~~~~~~~~~~~ main.cpp:53:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | for (int j = 0; j < ds[m/k][l].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:63:39: 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 < ds[m/k][l].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:73:9: warning: 'possible' may be used uninitialized in this function [-Wmaybe-uninitialized] 73 | if (possible == k) | ^~