Compilare: main.cpp: In function 'void dfs(long long int, long long int)': main.cpp:41:30: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare] 41 | if(cont !=0 && can.size()==cont) maxi=-inf; | ~~~~~~~~~~^~~~~~ main.cpp:79:30: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare] 79 | if(cont !=0 && can.size()==cont && !isin[best]) cur=-inf; | ~~~~~~~~~~^~~~~~ main.cpp:91:34: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare] 91 | if(cont !=0 && can.size()==cont && !isin[sbest]) cur=-inf; | ~~~~~~~~~~^~~~~~ main.cpp:51:9: warning: unused variable 'cnt' [-Wunused-variable] 51 | int cnt=0; | ^~~