ec.cpp: In function `int EcType()': ec.cpp:31: warning: comparison between signed and unsigned integer expressions ec.cpp: In function `void Type_1()': ec.cpp:77: warning: comparison between signed and unsigned integer expressions ec.cpp: In function `void Type_2()': ec.cpp:105: warning: comparison between signed and unsigned integer expressions ec.cpp:124: warning: assignment to `long long int' from `long double' ec.cpp:124: warning: argument to `long long int' from `long double' /tmp/ccSnZdEP.o(.text+0x10d): In function `main': : the `gets' function is dangerous and should not be used.