//첫번째 풀이
let value ="0 1 0 0 0\\n0 0 0 0 0\\n0 0 0 1 0\\n0 0 1 0 0\\n0 0 0 0 0"
let sp = value.split('\\n');
let count = 0;

for (let i of sp){
  sp[count] = i.replace('1', 'f').split(' ');
  count += 1;
}

count = 0;
let search = 0;

for (let s of sp){
  for (let i of s){
    if (i === 'f'){
      search = s.indexOf(i);
      if (search > 0){
        s[search-1] = '*';
      }
      if (search < 4){
        s[search+1] = '*';
      }
      if (count > 0){
        sp[count-1][search] = '*';
      }
      if (count < 4){
        sp[count+1][search] = '*';
      }
    }
  }
  count += 1;
}

for (let i of sp){
  console.log(i);
}