string.cpp: In function `int buildhash()': string.cpp:28: warning: control reaches end of non-void function string.cpp: In function `int main()': string.cpp:35: warning: assignment to `int' from `double' string.cpp:35: warning: argument to `int' from `double' /tmp/ccH66VTo.o(.text+0x184): In function `main': : the `gets' function is dangerous and should not be used.