Compilare: main.cpp: In function 'void clear(int)': main.cpp:26:46: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 26 | grade_intrare[i] = relic[i] = rez[i] = last[i] = 0; | ~~~~~~~^~~~~~~~~~~~~ main.cpp: In function 'void bfs()': main.cpp:34:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for (int i = 0; i < v[frn].size(); i++){ | ~~^~~~~~~~~~~~~~~