Compilare: user.cpp: In function ‘void typ1(int, int)’: user.cpp:19:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=1;j<act.size()-1;j++) ^ user.cpp:27:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<act.size()-1;j++) ^ user.cpp:33:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=1;j<act.size()-1;j++) ^ user.cpp:44:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=1;j<act.size();j++) ^ user.cpp:50:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<act.size();j++) ^ user.cpp:54:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=1;j<act.size();j++) ^ user.cpp: In function ‘int main()’: user.cpp:70:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<s.size();i++) ^ user.cpp:84:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<s1.size();i++) ^ user.cpp:102:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<s1.size();i++) ^