Compilare: main.cpp: In function 'void mark(int, int, int, bool)': main.cpp:45:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | for(int i=0;i<VEC[x][y].size();i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:43:13: warning: unused variable 'copie' [-Wunused-variable] 43 | int copie=traseuMax[x][y]; | ^~~~~ main.cpp:56:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | for(int i=0;i<lista.size();i++) | ~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:74:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 74 | for(int i=0;i<SOL.size();i++) | ~^~~~~~~~~~~ main.cpp:67:9: warning: unused variable 'cnt' [-Wunused-variable] 67 | int cnt=0; | ^~~