Abesh.cpp

#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<iomanip>
using namespace std;

#define fastio  ios_base::sync_with_stdio(0);cin.tie(NULL);
int main() {///main function starts here
    fastio;
    int n,x;
    while(!(cin>>n).eof()){
        int a,b;
        int steps,min_steps;
        bool found=false,bfound=false;
        for(int i=0;i<n;i++){
            for(int j=0;j<n;j++){
                scanf("%1d",&x);
                if(x==1 && !found){
                    a=i;
                    b=j;
                    found=true;
                }
                else if(x==3 && !bfound){
                    bfound=true;
                    min_steps=abs(a-i)+abs(b-j);
                    break;
                }
                else if(x==3 && bfound){
                    steps=abs(a-i)+abs(b-j);
                    if(steps<min_steps){
                        min_steps=steps;
                        break;
                    }
                }
                if(j>=min_steps && bfound)break;
            }
            if(i>=min_steps)break;
        }
        cout<<min_steps<<endl;
    }
    return 0;
}///main function ends here