添加stl泛型

base/CMakeLists.txt

@@ -58,4 +58,5 @@ add_executable(test5_1 test5.cpp)
 add_executable(studentc reusing/studentc.cpp)
 add_executable(uses_stuc reusing/uses_stuc.cpp)
 add_executable(stacktp stl/stacktp.cpp)
-add_executable(stacktp1 stl/stacktp1.cpp)
+add_executable(stacktp1 stl/stacktp1.cpp)
+add_executable(arraytp stl/arraytp.cpp)

base/stl/arraytp.cpp

@@ -16,10 +16,22 @@ int main() {
     int i,j;
     for (i = 0; i < 10; ++i) {
         sums[i] = 0;
-        for (int k = 0; k < ; ++k) {
-            
+        for (j = 0; j < 5; ++j) {
+            twodee[i][j] = (i +1) * (j +1 );
+            sums[i] += twodee[i][j];
         }
+        aves[i] = (double )sums[i]/10;
     }
+    for (i = 0; i < 10; ++i) {
+        for (j = 0;  j< 5; ++j) {
+            cout.width(2);
+            cout<<twodee[i][j];
+        }
+        cout<<" : sum = ";
+        cout.width(3);
+        cout <<sums[i] <<", average = " << aves[i]<<endl;
+    }
+    cout <<"Done.\n";
     return 0;
 }
 

base/stl/arraytp.h

@@ -19,11 +19,11 @@ public:
 
     virtual T &operator[](int i);
 
-    virtual T operator[](int i) const;
+    virtual T operator[] (int i) const;
 };
 
 template<class T, int n>
-ArrayTP<T,n>::ArrayTP<class T, int n>() {
+ArrayTP<T,n>::ArrayTP(const T &  v) {
     for (int i = 0; i < n; ++i) {
         ar[i] = v;
     }
@@ -34,15 +34,15 @@ T & ArrayTP<T,n>::operator[](int i) {
         std::cerr <<"Error in array limits: "<< i <<" is out of range\n";
         std::exit(EXIT_FAILURE);
     }
-    return a[i];
+    return ar[i];
 }
 
 template<class T, int n>
-T & ArrayTP<T,n>::operator[](int i) const {
+T  ArrayTP<T,n>::operator[](int i) const {
     if (i <0 || i >= n){
         std::cerr <<"Error in array limits: "<< i <<" is out of range\n";
         std::exit(EXIT_FAILURE);
     }
-    return a[i];
+    return ar[i];
 }
 #endif //BASE_ARRAYTP_H