Compilare: main.cpp: In function 'long long int rucsac()': main.cpp:80:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 80 | for(int j=0;j<cost1[i].size();j++) | ~^~~~~~~~~~~~~~~~ main.cpp:86:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 86 | for(int j=0;j<cost2[x].size();j++) | ~^~~~~~~~~~~~~~~~ main.cpp:106:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 106 | for(int j=lg;j<cost1[0].size();j++) | ~^~~~~~~~~~~~~~~~ main.cpp:118:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 118 | for(int j=0;j<cost2[lg2].size();j++) | ~^~~~~~~~~~~~~~~~~~