Compilare: main.cpp: In function 'int main()': main.cpp:20:4: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int k =1 ;k <=n; k ++) ^~~ main.cpp:24:8: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for(int i =1 ;i <=n; i ++,cout << '\n') ^~~