Compilare: main.cpp: In function 'bool check(long long int, std::vector<long long int>&)': main.cpp:86:25: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 86 | for(ll i = 0; i < comp.size(); i++) { | ~~^~~~~~~~~~~~~ main.cpp:91:25: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 91 | for(ll i = 0; i < comp.size(); i++) { | ~~^~~~~~~~~~~~~ main.cpp:108:25: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 108 | for(ll i = 0; i < comp.size(); i++) { | ~~^~~~~~~~~~~~~ main.cpp:113:25: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 113 | for(ll i = 0; i < comp.size(); i++) { | ~~^~~~~~~~~~~~~