Если лень перебирать вручную, можно воспользоваться программой
var k,l,r,x,f:integer; begin f := 3001; l := 0; r := 65534; x := (l + r) div 2; k := 1; while (x <> f) and (l < r) do begin writeln(k,' ',l,' ',r,' ',x); k := k + 1; if f < x then r := x - 1 else l := x + 1; x := (l + r) div 2 end; writeln(k,' ',l,' ',r,' ',x); end.
#include <iostream> #include <stdio.h> using namespace std;
int main(){ int y; cin>>y; y=y%12; switch (y){ case 4:{cout<<"Mouse"; break;} case 5:{cout<<"Bull";break;} case 6:{cout<<"Tiger";break;} case 7:{cout<<"Rabbit";break;} case 8:{cout<<"Dragon";break;} case 9:{cout<<"Snake";break;} case 10:{cout<<"Horse";break;} case 11:{cout<<"Goat";break;} case 0:{cout<<"Monkey";break;} case 1:{cout<<"Cock";break;} case 2:{cout<<"Dog";break;} case 3:{cout<<"Pig";break;} } cin.get(); cin.get(); return 0; }
1. 0..65534 -> 32767
2. 0..32766 -> 16383
3. 0..16382 -> 8191
4. 0..8190 -> 4095
5. 0..4094 -> 2047
6. 2048..4094 -> 3071
7. 2048..3070 -> 2559
8. 2560..3070 -> 2815
9. 2816..3070 -> 2943
10. 2944..3070 -> 3007
11. 2944..3006 -> 2975
12. 2976..3006 -> 2991
13. 2992..3006 -> 2999
14. 3000..3006 -> 3003
15. 3000..3002 -> 3001
Если лень перебирать вручную, можно воспользоваться программой
var k,l,r,x,f:integer;
begin
f := 3001;
l := 0;
r := 65534;
x := (l + r) div 2;
k := 1;
while (x <> f) and (l < r) do
begin
writeln(k,' ',l,' ',r,' ',x);
k := k + 1;
if f < x then r := x - 1
else l := x + 1;
x := (l + r) div 2
end;
writeln(k,' ',l,' ',r,' ',x);
end.
#include <stdio.h>
using namespace std;
int main(){
int y;
cin>>y;
y=y%12;
switch (y){
case 4:{cout<<"Mouse"; break;}
case 5:{cout<<"Bull";break;}
case 6:{cout<<"Tiger";break;}
case 7:{cout<<"Rabbit";break;}
case 8:{cout<<"Dragon";break;}
case 9:{cout<<"Snake";break;}
case 10:{cout<<"Horse";break;}
case 11:{cout<<"Goat";break;}
case 0:{cout<<"Monkey";break;}
case 1:{cout<<"Cock";break;}
case 2:{cout<<"Dog";break;}
case 3:{cout<<"Pig";break;}
}
cin.get();
cin.get();
return 0;
}