leetcode #168 Excel Sheet Column Title
Given a positive integer, return its corresponding column title as appear in an Excel sheet.
var convertToTitle = function(n) {
let getChar = i => String.fromCharCode(64+i);
let result = '';
while(n){
let c;
if(n%26 == 0){
c = 26;
n = Math.floor(n/26)-1;
}else{
c = n%26;
n = Math.floor(n/26);
}
result = getChar(c) + result;
}
return result;
};
leetcode #179 Largest Number
Given a list of non negative integers, arrange them such that they form the largest number.
For example, given
[3, 30, 34, 5, 9], the largest formed number is9534330.Note: The result may be very large, so you need to return a string instead of an integer.
let largestNumber = function(nums) {
let allZero = true;
for (i in nums) {
if (nums[i] !== 0) {
allZero = false;
}
}
if (allZero) {
return '0';
}
nums.sort(sortFunction);
return nums.join('');
};
function sortFunction(a, b) {
let ab = a + '' + b;
let ba = b + '' + a;
return ba - ab;
}
