Compilare: main.cpp: In function 'void Solve()': main.cpp:113:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 113 | for(int j = 0; j < ListL[i].size() - 1; ++j) { | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:120:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 120 | if(posa == ListC[a].size() - 1) | ~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:125:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 125 | if(posb == ListC[b].size() - 1) | ~~~~~^~~~~~~~~~~~~~~~~~~~~~