Compilare: user.cpp: In function ‘int main()’: user.cpp:4:21: warning: unused variable ‘a’ [-Wunused-variable] int t,p1,d1,c,n,a=0,b=0,sol=0; ^ user.cpp:4:25: warning: unused variable ‘b’ [-Wunused-variable] int t,p1,d1,c,n,a=0,b=0,sol=0; ^ user.cpp:5:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&c); ^ user.cpp:8:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&p1,&d1); ^