Compiler output
prog.cpp: In function ‘void filter(int, std::string)’:
prog.cpp:45:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
prog.cpp:56:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
prog.cpp:43:17: warning: unused variable ‘k’ [-Wunused-variable]
prog.cpp: In function ‘int main()’:
prog.cpp:118:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
prog.cpp:124:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
prog.cpp: In function ‘void filter(int, std::string)’:
prog.cpp:56:19: warning: ‘p’ may be used uninitialized in this function [-Wmaybe-uninitialized]
