Compilare: main.cpp: In function 'void MakePrefix()': main.cpp:12:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=2;i<=strlen(a+1);++i) ~^~~~~~~~~~~~~ main.cpp:14:23: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] while(q&a[q+1]!=a[i]) ~~~~~~^~~~~~ main.cpp: In function 'void Solve()': main.cpp:26:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<strlen(b+1);++i) ~^~~~~~~~~~~~ main.cpp:31:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(q==strlen(a+1)) ~^~~~~~~~~~~~~