spiral_print.txt

spiral print


#include <iostream>

using namespace std;

void spiralprint(int arr[][10],int n,int m){
    
    int startrow =0;
    int endrow = n-1;
    int startcol = 0;
    int endcol = m-1;
    
    while(startrow <= endrow && startcol <= endcol){
        
        for(int i = startcol; i<= endcol;i++){
            cout << arr[startrow][i]<<" ";
        }
        
        for(int i = startrow+1;i<=endrow;i++){
            cout << arr[i][endcol]<<" ";
        }
        
        for(int i = endcol-1;i>= startcol;i--){
            if(startrow==endrow)
                break;
            cout<<arr[endrow][i]<<" ";
        }
        for(int i = endrow -1;i>= startrow+1;i--){
            if(startcol == endcol)
                break;
            cout<<arr[i][startcol]<<" ";
        }
        startrow++;
        endrow--;
        startcol++;
        endcol--;
    }
    
}


int main(){
    
    int arr[][10] = {{1,2,3,4},
                     {12,13,14,5},
                     {11,16,15,6},
                     {10,9,8,7}};
    int n =4,m=4;
                     
    for(int i =0;i<n;i++){
        for(int j =0;j<m;j++){
            cout<<arr[i][j]<<" ";
        }
        cout<<endl;
    }
    
    spiralprint(arr,n,m);
    return 0;
    
    
}