vocale.cpp: In function `int main()': vocale.cpp:26: warning: comparison between signed and unsigned integer expressions vocale.cpp:48: warning: comparison between signed and unsigned integer expressions vocale.cpp:52: warning: comparison between signed and unsigned integer expressions vocale.cpp:9: warning: `int nrmin' might be used uninitialized in this function /tmp/ccEee3Am.o(.text+0x85): In function `main': : the `gets' function is dangerous and should not be used.