Compilare: main.cpp: In function 'int main()': main.cpp:25:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int j=1;j<=n;++j) ^~~ main.cpp:27:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' cout<<"\n"; ^~~~