beforeCreate () {document.querySelector('body').setAttribute('style', 'background-color:#fff')},beforeDestroy () {document.querySelector('body').removeAttribute('style')}

【题目】Amessage containing letters from A-Z is being encoded to numbers using thefollowing mapping: 'A'-> 1'B'-> 2...'Z'-> 26Given anencoded message containing digits, determine the total n

【题目】Given a non-negative integer represented asa non-empty array of digits, plus one to the integer. You may assume the integer do not containany leading zero, except the number 0 itself. Th