Compilare: main.cpp: In function 'int main()': main.cpp:49:8: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (int k = 0; k < n; ++k) ^~~ main.cpp:55:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' int ok = 1; ^~~