Compilare: main.cpp: In function 'int check(std::vector<int>&, int, int)': main.cpp:9:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 9 | while(i < v.size() && k > 0) { | ~~^~~~~~~~~~ main.cpp:24:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | return i >= v.size(); | ~~^~~~~~~~~~~