spiralordertraversal.cpp

#include<bits/stdc++.h>
using namespace std;
int main(){
    int n,m;
    cin>>n>>m;
    int arr[n][m];
    for(int i=0;i<n;i++){
        for(int j=0;j<m;j++){
            cin>>arr[i][j];
        }
    }

    //spiral order print
    int row_start=0;
    int row_end=n-1;
    int column_start=1;
    int column_end=m-1;

     while(row_start<=row_end &&column_start<=column_end){
         //for row start
         for(int col=column_start ;col<=column_end;col++){
             cout<<arr[row_start][col]<<" ";
             row_start++;
         }
         //for column end;
         for(int row=row_start ;row<=row_end;row++){
             cout<<arr[row][column_end]<<" ";
             column_end--;
         }
         //for row_end
         for(int col=column_end ;col<=column_start;col++){
             cout<<arr[row_end][col]<<" ";
             row_end--;
         }
         //for column start
         for(int row=row_end ;row>=row_start;row--){
             cout<<arr[row][column_start]<<" ";
             column_start++;
         }
     }
    return 0;

}