vocale.cpp: In function `int main()': vocale.cpp:16: warning: comparison between signed and unsigned integer expressions vocale.cpp:39: warning: comparison between signed and unsigned integer expressions vocale.cpp:60: warning: comparison between signed and unsigned integer expressions vocale.cpp:7: warning: unused variable `int pps' vocale.cpp:7: warning: unused variable `int nrmin' /tmp/cckF86XE.o(.text+0x83): In function `main': : the `gets' function is dangerous and should not be used.