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 <cstdlib> #include <ctime> int main() { using namespace std; cout << "Enter size of array: "; int N; cin >> N; int * ARR = new int[N]; srand(time(0)); int i; for (i = 0; i < N; ++i) ARR[i] = rand() % 100 + 1;
cout << "Here is an original array:\n"; for (i = 0; i < N; ++i) cout << ARR[i] << " "; cout << endl;
int temp = ARR[N - 1]; for (i = N - 1; i > 0; --i) ARR[i] = ARR[i - 1]; ARR[0] = temp;
cout << "\nHere is a new array:\n"; for (i = 0; i < N; ++i) cout << ARR[i] << " "; cout << endl;
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 <cstdlib>
#include <ctime>
int main()
{
using namespace std;
cout << "Enter size of array: ";
int N;
cin >> N;
int * ARR = new int[N];
srand(time(0));
int i;
for (i = 0; i < N; ++i)
ARR[i] = rand() % 100 + 1;
cout << "Here is an original array:\n";
for (i = 0; i < N; ++i)
cout << ARR[i] << " ";
cout << endl;
int temp = ARR[N - 1];
for (i = N - 1; i > 0; --i)
ARR[i] = ARR[i - 1];
ARR[0] = temp;
cout << "\nHere is a new array:\n";
for (i = 0; i < N; ++i)
cout << ARR[i] << " ";
cout << endl;
return 0;
}