Compilare: user.cpp: In function ‘void adunare(int*, int*, int*)’: user.cpp:42:10: warning: statement has no effect [-Wunused-value] for(i;i>0;i--){ ^ user.cpp:48:10: warning: statement has no effect [-Wunused-value] for(j;j>0;j--){ ^ user.cpp: In function ‘int main()’: user.cpp:70:51: warning: unused variable ‘y1’ [-Wunused-variable] int x1[20],x2[20],x3[20],x4[20],x5[20],x6[20],y1[20],y2[20],m1[20],m2[20],s1[20],s2[20],fi[20]; ^ user.cpp:70:58: warning: unused variable ‘y2’ [-Wunused-variable] int x1[20],x2[20],x3[20],x4[20],x5[20],x6[20],y1[20],y2[20],m1[20],m2[20],s1[20],s2[20],fi[20]; ^ user.cpp:70:72: warning: unused variable ‘m2’ [-Wunused-variable] int x1[20],x2[20],x3[20],x4[20],x5[20],x6[20],y1[20],y2[20],m1[20],m2[20],s1[20],s2[20],fi[20]; ^