foo.cpp:1:1: error: 'include' does not name a type
foo.cpp: In function 'int main()':
foo.cpp:8:1: error: 'cin' was not declared in this scope
foo.cpp:13:66: error: 'scanf' was not declared in this scope
foo.cpp:40:41: error: 'printf' was not declared in this scope
foo.cpp:42:18: error: 'printf' was not declared in this scope