Compilare: main.cpp: In function 'void Z()': main.cpp:16:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(z[i]+i<n and c[z[i]+i]==c[z[i]]) ~~~~~~^~ main.cpp:23:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i+z[i-lef]-1<righ) ~~~~~~~~~~~~^~~~~ main.cpp:28:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(z[i]+i<n and c[z[i]+i]==c[z[i]]) ~~~~~~^~ main.cpp:34:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(z[i]==l) ~~~~^~~