Compilare: user.cpp: In function ‘int main()’: user.cpp:11:2: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for(i=1;i<=a;++i) ^~~ user.cpp:18:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ fout<<s; ^~~~