Compilare: main.cpp: In function 'bool conex(std::vector<int>&)': main.cpp:132:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 132 | return (cnt == s.size()); | ~~~~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:183:27: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 183 | m[i] = niv[i] = h[i] = puse[i] = 0; | ~~~~~~~^~~~~~~~~~~~~~~~~~~~