Compilare: user.cpp: In function ‘void SolveTest()’: user.cpp:44:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (A.size() < lmax && B.size() < lmax) ^ user.cpp:44:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (A.size() < lmax && B.size() < lmax) ^ user.cpp:40:9: warning: unused variable ‘na’ [-Wunused-variable] int na = A.size(), nb = B.size(), nc = C.size(); ^ user.cpp:40:24: warning: unused variable ‘nb’ [-Wunused-variable] int na = A.size(), nb = B.size(), nc = C.size(); ^ user.cpp:40:39: warning: unused variable ‘nc’ [-Wunused-variable] int na = A.size(), nb = B.size(), nc = C.size(); ^ user.cpp:202:29: warning: unused variable ‘n1’ [-Wunused-variable] long long i = lmax - 1, n1{0}, n2{0}, n3{0}; ^ user.cpp:202:36: warning: unused variable ‘n2’ [-Wunused-variable] long long i = lmax - 1, n1{0}, n2{0}, n3{0}; ^ user.cpp:202:43: warning: unused variable ‘n3’ [-Wunused-variable] long long i = lmax - 1, n1{0}, n2{0}, n3{0}; ^