Compilare: main.cpp: In function 'bool caut(int, int)': main.cpp:12:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 12 | for(int i=0;i<v[s].size();i++){ | ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:44:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | for(int i=0;i<v[s].size();i++){ | ~^~~~~~~~~~~~ main.cpp: In function 'bool caut(int, int)': main.cpp:16:1: warning: control reaches end of non-void function [-Wreturn-type] 16 | } | ^