Compilare: user.cpp: In function ‘int main()’: user.cpp:40:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < neg.size(); ++i){ ^ user.cpp:47:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < neg.size(); ++i){ ^ user.cpp:55:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < neg.size(); ++i){ ^ user.cpp:66:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < poz.size(); ++i){ ^ user.cpp:73:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < poz.size(); ++i){ ^ user.cpp:81:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < poz.size(); ++i){ ^ user.cpp:95:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < neg.size(); ++i){ ^ user.cpp:102:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < neg.size(); ++i){ ^ user.cpp:112:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < poz.size(); ++i){ ^ user.cpp:14:22: warning: unused variable ‘pmin2’ [-Wunused-variable] long long pmin1, pmin2, pmax1, pmax2, pmax3, pmax4, mx, mn; ^ user.cpp:14:50: warning: unused variable ‘pmax4’ [-Wunused-variable] long long pmin1, pmin2, pmax1, pmax2, pmax3, pmax4, mx, mn; ^ user.cpp:88:62: warning: ‘pmax3’ may be used uninitialized in this function [-Wmaybe-uninitialized] rez = poz[pmax1] * poz[pmax2] * poz[pmax3]; ^ user.cpp:82:39: warning: ‘pmax2’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(i == pmax1 || i == pmax2) ^ user.cpp:48:17: warning: ‘pmax1’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(i == pmax1) ^ user.cpp:60:59: warning: ‘pmin1’ may be used uninitialized in this function [-Wmaybe-uninitialized] rez = -1 * neg[pmax1] * neg[pmax2] * neg[pmin1]; ^