Compilare: user.cpp: In function ‘void Read()’: user.cpp:24:9: warning: unused variable ‘j’ [-Wunused-variable] { int i,j; ^ user.cpp: In function ‘void Solve(int, int)’: user.cpp:41:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] { if (i1<tip[t1].size() && i2<tip[t2].size()) ^ user.cpp:41:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] { if (i1<tip[t1].size() && i2<tip[t2].size()) ^ user.cpp:48:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] { if (i1>=tip[t1].size()) ^ user.cpp:49:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=i2;i<tip[t2].size();i++) ^ user.cpp:52:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=i1;i<tip[t1].size();i++) ^