Compilare: main.cpp: In function 'int main()': main.cpp:55:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for( i = 1; i <= n && ok == 0; ++i ) ^~~ main.cpp:73:7: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' if( ok == 0 ){ ^~