1.5h<\/p>\n
\u4eca\u5929\u7b97\u662f\u7ed9\u8d2a\u5fc3\u753b\u4e86\u4e2a\u53e5\u53f7，\u672c\u8eab\u8fd9\u4e00\u5757\u4e5f\u6ca1\u6709\u591a\u5c11\u5185\u5bb9，\u7eaf\u7cb9\u662f\u81ea\u5df1\u6700\u8fd1\u51e0\u5929\u6548\u7387\u592a\u4f4e\u4e86\u624d\u8017\u8d39\u8fd9\u4e48\u4e45，\u6709\u4e00\u8bf4\u4e00\u628a\u81ea\u5df1\u7684\u65e5\u7a0b\u5b89\u6392\u7684\u6ee1\u6ee1\u5f53\u5f53\u786e\u5b9e\u6709\u4e9b\u5fd9\u4e0d\u8fc7\u6765，\u6709\u65f6\u5019\u5065\u8eab\u56de\u6765\u786e\u5b9e\u60f3\u4f11\u606f\u4e00\u4f1a，\u7ed3\u679c\u4e00\u770b\u624b\u673a\u5c31\u662f\u4e00\u4e24\u5c0f\u65f6\u3002\u3002\u3002\u6765\u5230\u81ea\u4e60\u5ba4\u5c31\u5df2\u7ecf\u516b\u70b9\u4e86，\u518d\u5907\u5907\u8bfe\u5565\u7684\u5f00\u59cb\u5199\u4ee3\u7801\u5c31\u5df2\u7ecf\u4e5d\u70b9\u4e86，\u4eca\u5929\u8981\u4e0d\u662f\u665a\u996d\u6ca1\u5403\u809a\u5b50\u592a\u997f\u4e86\u6211\u80af\u5b9a\u8fd8\u80fd\u518d\u5b66\u4e00\u4e2a\u5c0f\u65f6\u3002\u660e\u5929\u665a\u4e0a\u805a\u9910，\u5199\u4ee3\u7801\u8c03\u6574\u5230\u4e0b\u5348（\u5728\u6211\u8fd9\u91cc\u8d5a\u94b1>\u5b66\u4e60>\u5065\u8eab）\u5e0c\u671b\u660e\u5929\u80fd\u6ee1\u6253\u6ee1\u7b97\u5b66\u591f\u4e09\u4e2a\u5c0f\u65f6<\/p>\n
\u52a0\u6cb9！！！<\/p>\n
56. \u5408\u5e76\u533a\u95f4 – \u529b\u6263（LeetCode）<\/p>\n
class Solution {
\npublic:
\n vector<vector<int>> merge(vector<vector<int>>& intervals) {
\n vector<vector<int>>result;
\n if(intervals.size()==0)return result;
\n sort(intervals.begin(),intervals.end(),[](const vector<int>&a,const vector<int>&b){return a[0]<b[0];});
\n result.push_back(intervals[0]);
\n for(int i=1;i<intervals.size();i++){
\n if(result.back()[1]>=intervals[i][0]){
\n result.back()[1]=max(result.back()[1],intervals[i][1]);
\n }
\n else{
\n result.push_back(intervals[i]);
\n }
\n }
\n return result;
\n }
\n}; <\/p>\n
738. \u5355\u8c03\u9012\u589e\u7684\u6570\u5b57 – \u529b\u6263（LeetCode）<\/p>\n
class Solution {
\npublic:
\n int monotoneIncreasingDigits(int n) {
\n string strNum=to_string(n);
\n int flag=strNum.size();
\n for(int i=strNum.size()-1;i>0;i–){
\n if(strNum[i-1]>strNum[i]){
\n flag=i;
\n strNum[i-1]–;
\n }
\n }
\n for(int i=flag;i<strNum.size();i++){
\n strNum[i]='9';
\n }
\n return stoi(strNum);
\n }
\n}; <\/p>\n
968. \u76d1\u63a7\u4e8c\u53c9\u6811 – \u529b\u6263（LeetCode）<\/p>\n
class Solution {
\n private:
\n int result;
\n int traversal(TreeNode*cur){
\n if(cur==NULL){
\n return 2;
\n }
\n int left=traversal(cur->left);
\n int right=traversal(cur->right);<\/p>\n
if(left==2&&right==2){
\n return 0;
\n }
\n if(left==0||right==0){
\n result++;
\n return 1;
\n }
\n if(left==1||right==1){
\n return 2;
\n }
\n return -1;
\n }
\npublic:
\n int minCameraCover(TreeNode* root) {
\n result=0;
\n if(traversal(root)==0){
\n result++;
\n }
\n return result;
\n }
\n}; <\/p>\n","protected":false},"excerpt":{"rendered":"
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