Compilare: user.cpp: In function ‘int merge(int, int)’: user.cpp:41:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int merge1(int, int)’: user.cpp:76:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:85:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1; i<=m ; i++) ^ user.cpp:87:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1; i<=n; i++) ^ user.cpp:103:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ((nr)==(m-nr2)) g<<"0"; ^ user.cpp:80:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j, nr=0, nr2=0, min=5000, max=-1; ^