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989. AddtoArray-FormofInteger.js
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97 lines (92 loc) · 2.28 KB
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var addToArrayForm = function(num, k) {
let kArr = new Array()
let tmp = k.toString().length
let tmp2 = num.length
let carry = 0;
var i = 0
for(i = 0;i<tmp;i++){
kArr.unshift(k % 10)
k = Math.floor(k/10)
}
// console.log(kArr)
if(num.length >= tmp){
for(i = num.length-1; i>=0 ;i--){
if(tmp - 1 >= 0){
if(carry === 0){
num[i] = num[i] + kArr[tmp-1];
}
else if(carry === 1){
num[i] = num[i] + kArr[tmp-1] + 1;
}
tmp--
}
else{
if(carry === 0){
return num
}
else if(carry === 1){
num[i] = num[i] + 1;
}
}
if(num[i] >= 10){
carry = 1;
num[i] = num[i] - 10
}
else{
carry = 0
}
}
if(carry === 1)
if(i > 0){
num[i] = num[i] + 1
return num
}
else{
num.unshift(1)
return num
}
else
return num
}
else{
for(i = tmp-1; i>=0 ;i--){
if(tmp2-1 >= 0){
if(carry === 0){
kArr[i] = kArr[i] + num[tmp2-1];
}
else if(carry === 1){
kArr[i] = kArr[i] + num[tmp2-1] + 1;
}
tmp2--
}
else{
if(carry === 0){
return kArr
}
else if(carry === 1){
kArr[i] = kArr[i] + 1;
}
}
if(kArr[i] >= 10){
carry = 1;
kArr[i] = kArr[i] - 10
}
else{
carry = 0
}
// console.log(kArr)
}
if(carry === 1)
if(i > 0){
kArr[i] = kArr[i] + 1
return kArr
}
else{
kArr.unshift(1)
return kArr
}
else
return kArr
}
};
// console.log(addToArrayForm([9], 11))