reteta.cpp: In function `bool comp(ing, ing)': reteta.cpp:23: warning: comparison between signed and unsigned integer expressions reteta.cpp:23: warning: comparison between signed and unsigned integer expressions reteta.cpp:28: warning: comparison between signed and unsigned integer expressions reteta.cpp:30: warning: comparison between signed and unsigned integer expressions reteta.cpp: In function `void timp()': reteta.cpp:53: warning: comparison between signed and unsigned integer expressions reteta.cpp: In function `void ingrediente()': reteta.cpp:76: warning: comparison between signed and unsigned integer expressions reteta.cpp:78: warning: comparison between signed and unsigned integer expressions reteta.cpp:81: warning: comparison between signed and unsigned integer expressions reteta.cpp:88: warning: comparison between signed and unsigned integer expressions reteta.cpp:91: warning: comparison between signed and unsigned integer expressions