unific.cpp: In function `void letere()': unific.cpp:10: warning: comparison between signed and unsigned integer expressions unific.cpp: In function `void cerA()': unific.cpp:16: warning: `int nr' might be used uninitialized in this function unific.cpp: In function `void unific(int, int)': unific.cpp:59: warning: comparison between signed and unsigned integer expressions unific.cpp:60: warning: comparison between signed and unsigned integer expressions unific.cpp:67: warning: comparison between signed and unsigned integer expressions unific.cpp:68: warning: comparison between signed and unsigned integer expressions /tmp/ccMwUPR5.o(.text+0x494): In function `main': : the `gets' function is dangerous and should not be used.