Compilare: main.cpp: In function 'long long int brut(int*, int)': main.cpp:20:15: warning: unused variable 's2' [-Wunused-variable] ll s = 0, s2 = 0; ^~ main.cpp:18:14: warning: unused variable 'mn' [-Wunused-variable] ll mx = 0, mn = (ll)1e18; ^~ main.cpp: In function 'int main()': main.cpp:69:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 1; j < g[i].size(); j++) { ~~^~~~~~~~~~~~~