Compilare: user.cpp:123:59: warning: "/*" within comment [-Wcomment] if (s[i][n] - s[i][mid] == v[x[3]]){ //************************* ^ user.cpp: In function ‘int cmp(long long int, long long int, long long int, long long int)’: user.cpp:63:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:80:23: warning: variable ‘ok’ set but not used [-Wunused-but-set-variable] long long ok = 0; ^ user.cpp:75:21: warning: unused variable ‘l1’ [-Wunused-variable] long long c1,c2,l1,l2,mid,st,dr; ^