Compilare: main.cpp:3: warning: ignoring '#pragma GCC ' [-Wunknown-pragmas] 3 | #pragma GCC ("Ofast") | main.cpp: In function 'int main()': main.cpp:88:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 88 | for (int i = n - 1; i >= 1; --i) | ^~~ main.cpp:119:13: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 119 | cout << nr; | ^~~~