C++:
9)
//main si restul
int sec,h,m,s;cin>>sec;h=sec/3600;sec=sec-h*3600;
m=sec/60;sec=sec-m*60;
s=sec;
cout<<h<<m<<s;
10)
Banuiesc ca cele doua numerele sun in formatul:hh/mm
int h,m,mm;
cin>>h>>m;
mm=h*60+m;
cout<<mm;
11)
Banuiesc ca cele doua numerele sun in formatul:hh/mm
int h,m,ss;
cin>>h>>m;
ss=h*3600+m*60;
cout<<ss;
13)
int a,p1,b,p2,s1,s;
cin>>a>>p1>>b>>p2>>s1;
s=s1-(a*p1+b*p2);
cout<<s;
