Compilare: main.cpp: In function 'unsigned int getLetNr(char*)': main.cpp:27:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (int i = 0; s[i]; i++) ^~~ main.cpp:30:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' return nr; ^~~~~~