Compilare: main.cpp: In function 'void dfs(int)': main.cpp:18:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for (i = 0; i < ad[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp:20:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for (i = 0; i < ad[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:41:30: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 41 | if (a != 0 && b != 0 && coord[a].first == coord[b].first || coord[a].second == coord[b].second || abs(coord[a].first - coord[b].first) == abs(coord[a].second - coord[b].second)) | ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:34:24: warning: unused variable 'j' [-Wunused-variable] 34 | int n, m, a, b, i, j; | ^ main.cpp: In function 'int findcul(int)': main.cpp:14:1: warning: control reaches end of non-void function [-Wreturn-type] 14 | } | ^