Compilare: user.cpp: In function ‘int main()’: user.cpp:23:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < t.size(); ++i){ ^ user.cpp:27:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i+rad < t.size() && i-rad >= 0 && t[i-rad] == t[i+rad]) ^ user.cpp:36:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < t.size(); ++i) ^ user.cpp:37:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(p[i] - (i+p[i]-1 < t.size() && t[i+p[i]-1] == '#') > mx){ ^ user.cpp:38:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] mx = p[i] - (i+p[i]-1 < t.size() && t[i+p[i]-1] == '#'); ^ user.cpp:57:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < w.size(); ++i){ ^ user.cpp:67:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = last+1; i < w.size(); ++i) ^ user.cpp:41:10: warning: variable ‘par’ set but not used [-Wunused-but-set-variable] bool par = 0; ^ user.cpp:44:11: warning: ‘I’ may be used uninitialized in this function [-Wmaybe-uninitialized] I /= 2; ^