Compilare: user.cpp: In function ‘int main()’: user.cpp:11:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for(i=1;i<=n;++i) f>>v[i]; v[n+1]=1; ^~~ user.cpp:11:32: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ for(i=1;i<=n;++i) f>>v[i]; v[n+1]=1; ^