comp.cpp: In function `int build_nr(int&)': comp.cpp:17: warning: comparison between signed and unsigned integer expressions comp.cpp:16: warning: unused variable `int i' comp.cpp:16: warning: unused variable `int start' comp.cpp: In function `int main()': comp.cpp:50: warning: comparison between signed and unsigned integer expressions comp.cpp:35: warning: unused variable `int q' comp.cpp:64:2: warning: no newline at end of file /tmp/ccDSPxPH.o(.text+0x1ad): In function `main': : the `gets' function is dangerous and should not be used.