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  1. #include <iostream>
  2. using namespace std;
  3. //1 2 3 4 
  4. //5 6 7 8
  5. //6 7 8 9
  6. int main() {
  7. 	 int arr[3][4]={{1,2,3,4},{5,6,7,8},{6,7,8,9}};
  8.     int row= sizeof(arr)/sizeof(arr[0]);
  9.     int col= sizeof(arr[0])/sizeof(arr[0][0]);
  10.     int srow =0;//starting row
  11.     int scol=0;//starting column
  12.     int erow=row-1;//ending row
  13.     int ecol =col-1;//ending column
  14.     for(int i = scol; i <=ecol;i++ ){
  15.     	cout<<arr[srow][i]<<" ";
  16.     }
  17.     for(int i = srow+1; i <=erow;i++){
  18.     	cout<<arr[i][ecol]<<" ";
  19.     }
  20.     for(int i = ecol-1;i>=srow;i--){
  21.     	cout<<arr[erow][i]<<" ";
  22.     }
  23.     for(int i = erow-1;i>srow;i--){
  24.     	cout<<arr[i][scol]<<" ";
  25.     }
  26.  
  27. 	return 0;
  28. }
Success #stdin #stdout 0.01s 5292KB
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1 2 3 4 8 9 8 7 6 5
https://ideone.com/K332Ev
language:
C++14 (gcc 8.3)
created:
12 hours ago
visibility:
public

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