Compilare: user.cpp: In function ‘int main()’: user.cpp:13:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<t.size();i++)a[t[i]-'A'].push_back(i); ^ user.cpp:15:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j<s.size()){ ^ user.cpp:18:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<a[s[j]-'A'].size();i++){ ^ user.cpp:20:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(t[(in+h>t.size()-1?(in+h)%t.size():in+h)]==s[j+h] && j+h+1<s.size())h++; ^ user.cpp:20:77: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(t[(in+h>t.size()-1?(in+h)%t.size():in+h)]==s[j+h] && j+h+1<s.size())h++; ^