Compilare: main.cpp: In function 'int main()': main.cpp:20:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (j = 1; j <= n; j++) ^~~ main.cpp:22:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' cout << '\n';} ^~~~