Compilare: main.cpp: In function 'int main()': main.cpp:76:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for(int i=0;i<cc.size();i++) | ~^~~~~~~~~~ main.cpp:98:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 98 | for(int i=0;i<ciclu.size();i++) | ~^~~~~~~~~~~~~ main.cpp:119:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 119 | for(int i=0;i<res.size();i++) | ~^~~~~~~~~~~