Compilare: user.cpp: In function ‘void build_arb(int, int, int)’: user.cpp:45:176: warning: left operand of comma operator has no effect [-Wunused-value] int nr11= xmax(x*2, l, (l+r)/2, arb[x*2].py, (l+r)/2), nr12= xmin(x*2, l, (l+r)/2, arb[x*2].py, (l+r)/2), nr21= xmax(x*2, l, (l+r)/2, arb[x*2].pz, (l+r)/2), nr22= (x*2, l, (l+r)/2, arb[x*2].pz, (l+r)/2); ^ user.cpp:45:189: warning: right operand of comma operator has no effect [-Wunused-value] int nr11= xmax(x*2, l, (l+r)/2, arb[x*2].py, (l+r)/2), nr12= xmin(x*2, l, (l+r)/2, arb[x*2].py, (l+r)/2), nr21= xmax(x*2, l, (l+r)/2, arb[x*2].pz, (l+r)/2), nr22= (x*2, l, (l+r)/2, arb[x*2].pz, (l+r)/2); ^ user.cpp:45:188: warning: right operand of comma operator has no effect [-Wunused-value] int nr11= xmax(x*2, l, (l+r)/2, arb[x*2].py, (l+r)/2), nr12= xmin(x*2, l, (l+r)/2, arb[x*2].py, (l+r)/2), nr21= xmax(x*2, l, (l+r)/2, arb[x*2].pz, (l+r)/2), nr22= (x*2, l, (l+r)/2, arb[x*2].pz, (l+r)/2); ^ user.cpp:45:211: warning: right operand of comma operator has no effect [-Wunused-value] int nr11= xmax(x*2, l, (l+r)/2, arb[x*2].py, (l+r)/2), nr12= xmin(x*2, l, (l+r)/2, arb[x*2].py, (l+r)/2), nr21= xmax(x*2, l, (l+r)/2, arb[x*2].pz, (l+r)/2), nr22= (x*2, l, (l+r)/2, arb[x*2].pz, (l+r)/2); ^