Compilare: main.cpp: In function 'int main()': main.cpp:23:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for (int j=0; j<a[i].size() && j<g/i; ++j) { | ~^~~~~~~~~~~~ main.cpp:28:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | for (int i=0; i<a[0].size(); ++i) dp[g] += a[0][i]; | ~^~~~~~~~~~~~