smith.cpp: In function `int sumacif(int)': smith.cpp:38: warning: unused variable `int c' smith.cpp: In function `int sumafact(int)': smith.cpp:46: warning: comparison between signed and unsigned integer expressions smith.cpp: In function `int main()': smith.cpp:91: warning: left-hand operand of comma expression has no effect smith.cpp:102: warning: initialization to `int' from `double' smith.cpp:102: warning: argument to `int' from `double'