Compilare: user.cpp: In function ‘int main()’: user.cpp:54:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<rr.size();i++) ^ user.cpp:56:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if((dp[0][i]+dp[1][i]+rr[i].size())==n) ^ user.cpp:26:11: warning: unused variable ‘cine’ [-Wunused-variable] int i,cine; ^ user.cpp: In function ‘void topo()’: user.cpp:96:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<rr.size();i++) ^ user.cpp: In function ‘void make_list()’: user.cpp:110:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<rr.size();i++) ^