在train-3中完成了自瞄的程序

train-1/zhongzebin-hm/binary-search/binarySearch.cpp

@@ -0,0 +1,16 @@
+template<typename Iter,typename T>
+bool binary_search(Iter beg,Iter end,T&& val)
+{
+    if(*beg==val || *end==val)
+        return true;
+    if(*beg==*end)
+        return false;
+    Iter med=(end-beg)/2+beg;
+    if(*med==val)
+        return true;
+    else
+        if(*med>val)
+            binary_search(beg,med,val);
+        else
+            binary_search(med,end,val);
+}

train-1/zhongzebin-hm/binary/CMakeLists.txt

@@ -0,0 +1,10 @@
+cmake_minimum_required(VERSION 3.5)
+project(binary)
+find_package(OpenCV 3 REQUIRED)
+set(CMAKE_CXX_STANDARD 11)
+message(STATUS "OpenCV library status:")
+message(STATUS "    version: ${OpenCV_VERSION}")
+message(STATUS "    libraries: ${OpenCV_LIBS}")
+message(STATUS "    include path: ${OpenCV_INCLUDE_DIRS}")
+add_executable(binary main.cpp)
+target_link_libraries(binary LINK_PRIVATE ${OpenCV_LIBS})

train-1/zhongzebin-hm/binary/main.cpp

@@ -0,0 +1,22 @@
+#include <opencv2/opencv.hpp>
+#include <iostream>
+using namespace std;
+using namespace cv;
+int main()
+{
+    VideoCapture cap;
+    cap.open("../project_video.mp4");
+    Mat frame;
+    cap>>frame;
+    while(!frame.empty())
+    {
+        Mat gray;
+        Mat binary;
+        cvtColor(frame,gray,COLOR_BGR2GRAY);
+        threshold(gray,binary,int(255/2),255,CV_THRESH_BINARY);
+        imshow("video",binary);
+        waitKey(10);
+        cap>>frame;
+    }
+    return 0;
+}

train-1/zhongzebin-hm/install-folly/install_folly.txt

@@ -0,0 +1,7 @@
+git clone https://github.com/facebook/folly
+unzip folly.zip
+cd folly
+mkdir _build
+cd _build
+cmake ..
+make install

train-1/zhongzebin-hm/missing-digit/missingNumber.cpp

@@ -0,0 +1,17 @@
+class Solution {
+public:
+    int missingNumber(vector<int>& nums) {
+        array<bool,nums.size()+1> a;
+        a.fill(false);
+        for(int i=0;i<nums.size();i++)
+        {
+            a[nums[i]]=true;
+        }
+        int find=0;
+        while(a[find])
+        {
+            find++;
+        }
+        return find;
+    }
+};

train-1/zhongzebin-hm/rotated-array/rotate.cpp

@@ -0,0 +1,21 @@
+class Solution {
+public:
+    void rotate(vector<int>& nums, int k) {
+        if(nums.size()!=1 && nums.size()!=0 && k!=0 && k%nums.size()!=0)
+        {
+            vector<int> temp;
+            for(int num=1;num<=k%nums.size();num++)
+            {
+                temp.push_back(nums[nums.size()-num]);
+            }
+            for(int i=nums.size()-1;i>=k%nums.size();i--)
+            {
+                nums[i]=nums[i-k%nums.size()];
+            }
+            for(int num=0;num<temp.size();num++)
+            {
+                nums[num]=temp[temp.size()-1-num];
+            }
+        }
+    }
+};

train-2/zhongzebin-hm/ROI/CMakeLists.txt

@@ -0,0 +1,10 @@
+cmake_minimum_required(VERSION 3.5)
+project(ROI)
+find_package(OpenCV 3 REQUIRED)
+set(CMAKE_CXX_STANDARD 11)
+message(STATUS "OpenCV library status:")
+message(STATUS "    version: ${OpenCV_VERSION}")
+message(STATUS "    libraries: ${OpenCV_LIBS}")
+message(STATUS "    include path: ${OpenCV_INCLUDE_DIRS}")
+add_executable(ROI main.cpp)
+target_link_libraries(homework1 LINK_PRIVATE ${OpenCV_LIBS})

train-2/zhongzebin-hm/ROI/main.cpp

@@ -0,0 +1,14 @@
+#include <opencv2/opencv.hpp>
+using namespace std;
+using namespace cv;
+int main()
+{
+    Mat src;
+    src=imread("../warning.png");
+    bool fromCenter = false;
+    Rect2d r = selectROI(src, fromCenter);
+    Mat cut=src(r);
+    imshow("cut",cut);
+    waitKey(0);
+    return 0;
+}

train-2/zhongzebin-hm/ROI/理解.txt

@@ -0,0 +1,2 @@
+该程序读入图像后，手动划分矩形感兴趣区域（可以选择从矩形中心点开始绘制或者左上角点开始绘制，以回车或空格结束）；
+绘制后对感兴趣区域提取并显示。

train-2/zhongzebin-hm/camera_calibration/CMakeLists.txt

@@ -0,0 +1,10 @@
+cmake_minimum_required(VERSION 3.5)
+project(camera_calibration)
+find_package(OpenCV 3 REQUIRED)
+set(CMAKE_CXX_STANDARD 11)
+message(STATUS "OpenCV library status:")
+message(STATUS "    version: ${OpenCV_VERSION}")
+message(STATUS "    libraries: ${OpenCV_LIBS}")
+message(STATUS "    include path: ${OpenCV_INCLUDE_DIRS}")
+add_executable(camera_calibration main.cpp)
+target_link_libraries(camera_calibration LINK_PRIVATE ${OpenCV_LIBS})