VG
Size: a a a
VG
e
VG
e
e
function f(arr){
let intermediateArray = [];
for (let i = 0; i < arr.length; ++i){
intermediateArray.push(arr[i]);
intermediateArray.push('_');
}
intermediateArray.pop();
return intermediateArray;
}
e
VG
e
VG
N
N
N
АГ
N
АГ
АГ
ВС
N
N