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Description
方法一:
解题思想:
代码:
var addBinary = function (a, b) {
while (a.length > b.length) b = '0' + b;
while (a.length < b.length) a = '0' + a;
let res = new Array(a.length);
let sum = 0;
let carry = 0;
for (let i = a.length - 1; i >= 0; i--) {
sum = Number(a[i]) + Number(b[i]) + carry
if (sum >= 2) {
res[i] = sum - 2;
carry = 1;
} else {
res[i] = sum;
carry = 0;
}
}
if (carry) res.unshift(1);
return res.join('');
};
复杂度分析:
- 时间复杂度:
- 空间复杂度:
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