palc.cpp: In function `void permuta(char*)': palc.cpp:10: warning: comparison between signed and unsigned integer expressions palc.cpp: In function `bool palindrom(char*)': palc.cpp:24: warning: unused variable `bool ok' palc.cpp: In function `int main()': palc.cpp:35: warning: char format, different type arg (arg 2) palc.cpp:42: warning: comparison between signed and unsigned integer expressions palc.cpp:55: warning: comparison between signed and unsigned integer expressions