Compiler output
prog.c: In function 'main':
prog.c:42:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
prog.c:73:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
prog.c:115:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
prog.c:127:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
prog.c:139:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
