Compilare: main.cpp: In function 'int main()': main.cpp:81:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<v.size(); i++) ~^~~~~~~~~ main.cpp:84:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<v.size(); i++){ ~^~~~~~~~~ main.cpp:67:18: warning: unused variable 'dist' [-Wunused-variable] int n, i, j, dist, crt, ans=0; ^~~~