class Solution { public: int sqrt(int x) { // Start typing your C/C++ solution below // DO NOT write int main() function ) ; ) ; && x <= ) ; double start = 2.0; double next = 0.5 *(start + x/start); while(abs(start * start - x) > 0.000001){…

problem Sqrt(x) code class Solution { public: int mySqrt(int x) {// x/b=b long long res = x;// while(res*res > x) { res = (res + x/res) / ;// } return res; } }; 重点在于理解怎么计算平方根. The key point is the average result is calculate by "ans = (ans + x / a…