Compilare: main.cpp: In function 'double distVerticala(int, int, int, int, int, int)': main.cpp:58:12: warning: variable 'xn' set but not used [-Wunused-but-set-variable] double xn, yn; ^~ main.cpp: In function 'double distOrizontala(int, int, int, int, int, int)': main.cpp:78:16: warning: variable 'yn' set but not used [-Wunused-but-set-variable] double xn, yn; ^~ main.cpp: In function 'void dfs(int)': main.cpp:113:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < g[x].size(); i++) ~~^~~~~~~~~~~~~ main.cpp: In function 'void solve()': main.cpp:145:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < muchii.size() && nrmuchii < elicoptere; i++) ~~^~~~~~~~~~~~~~~