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题目 代码class Solution {public: int maxProfit(vector& prices) { if(prices.size()==0) return 0; vector salarys(pri... 阅读全文
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题目 代码class Solution {public: int climbStairs(int n) { if(n==1) return 1; int step=0; int step1=... 阅读全文
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题目 代码// Forward declaration of isBadVersion API.bool isBadVersion(int version);class Solution {public: int firstBadVersion(int n) { ... 阅读全文
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题目 代码class Solution {public: void merge(vector& nums1, int m, vector& nums2, int n) { int i=0; while(i<n) { ... 阅读全文
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一、int转string#include #include int main() { double f = 23.43; double f2 = 1e-9; double f3 = 1e40; double f4 = 1e-40; double... 阅读全文