Print spiral Matrix

View code

 1 # Include <iostream>
 2 # Include <iomanip>
 3   //  # Include "checkmemoryleak. H"  
  4  
 5   Using   Namespace STD;
 6  
 7  Void Spiral ( Int N)
 8 {
 9       Int Temp = 0 ; //  Record Layers  
  10       Int Num = 1 ; //  Enter the array value  
 11       Int I = 0 , J = 0 ; //  Control Loop  
  12       Int X = 0 , Y =- 1 ; //  Control direction  
  13       Int ** N =New   Int * [N]; //  Array  
  14       For (I = 0 ; I <n; I ++)
 15 {
 16 N [I] = New   Int [N];
 17 }
 18      While (Temp <= N)
 19 {
 20           For (I = 0 ; I <n-temp; I ++)
 21 {
 22 N [x] [++ y] = num ++;
 23 }
 24           If (Temp ++, temp = N)
 25               Break ;
 26           For (I = 0 ; I <n-temp; I ++)
 27 {
 28 N [++ x] [Y] = num ++;
 29 }
 30           For (I = 0 ; I <n-temp; I ++)
 31 {
 32 N [x] [-- y] = num ++;
 33 }
 34           If (Temp ++, temp = N)
 35               Break ;
 36           For (I = 0 ; I <n-temp; I ++)
 37 {
 38 N [-- X] [Y] = num ++;
 39 }
40 }
 41       For (I = 0 ; I <n; I ++)
 42 {
 43           For (J = 0 ; J <n; j ++)
 44 {
 45 Cout <SETW ( 3 ) <N [I] [J];
 46 }
 47 Cout <Endl;
 48 }
 49       For (I = 0 ; I <n; I ++)
 50 {
 51 Delete [] n [I];
 52 }
 53 Delete [] N;
 54 }
55   Int Main ()
 56 {
 57       //  Enablememleakcheck ();  
  58       Int N = 0 ;
 59 Cout < "  Enter the value of integer N:  " <Endl;
60 Cin> N;
 61 Spiral (N );
 62       Return   0 ;
 63 }

 

Running result:

Please input n

5

Output:
1 2 3 4 5
16 17 18 19 6
15 24 25 20 7
14 23 22 21 8
13 12 11 10 9