Compilare: user.cpp: In function ‘int main()’: user.cpp:36:8: warning: unused variable ‘d1’ [-Wunused-variable] df d1,d2,d3,dt; ^ user.cpp:36:11: warning: unused variable ‘d2’ [-Wunused-variable] df d1,d2,d3,dt; ^ user.cpp:36:14: warning: unused variable ‘d3’ [-Wunused-variable] df d1,d2,d3,dt; ^ user.cpp:36:17: warning: unused variable ‘dt’ [-Wunused-variable] df d1,d2,d3,dt; ^ user.cpp:59:9: warning: assuming signed overflow does not occur when assuming that (X + c) < X is always false [-Wstrict-overflow] while(j<i) ^