Compilare: user.cpp: In function ‘int main()’: user.cpp:48:3: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for(int i=0;i<N;i++) ^~~ user.cpp:50:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ g<<s1; ^