Compilare: main.cpp: In function 'int main()': main.cpp:15:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i = 1; i<=257; ++i) ^~~ main.cpp:21:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' g<<lm<<endl; ^ main.cpp:16:15: warning: iteration 256 invokes undefined behavior [-Waggressive-loop-optimizations] if(c[i] == d[i]) ~~~^ main.cpp:15:21: note: within this loop for(int i = 1; i<=257; ++i) ~^~~~~