mare.cpp: In function 'bool palindrom()': mare.cpp:13: warning: comparison between signed and unsigned integer expressions mare.cpp: In function 'void compara()': mare.cpp:22: warning: comparison between signed and unsigned integer expressions mare.cpp:27: warning: comparison between signed and unsigned integer expressions mare.cpp:30: warning: comparison between signed and unsigned integer expressions mare.cpp: In function 'int main()': mare.cpp:66: warning: comparison between signed and unsigned integer expressions