c++期末复习(程序填空题)1（C++ final review (fill in the blanks) 1）.docVIP

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c++期末复习(程序填空题)1（C++ final review (fill in the blanks) 1）.doc

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c期末复习(程序填空题)1（Cfinalreview(fillintheblanks)1）

c++期末复习(程序填空题)1（C++ final review (fill in the blanks) 1） C++ final review (cloze) 1. Fill in the appropriate lines at the bottom line and complete the definition of the member functions in the class. Class A{ Int * a; Public: A (int, aa=0) { A=_________; / / dynamic object is initialized with AA to a } ~ (A) {_________}// release dynamic storage space; }; Answer: new, int (AA), delete, a 2. Here is a function template for calculating the sum of two vectors. Complete the function template definition by filling in the appropriate lines at the bottom line. Include iostream.h Templateclass T T* f (T*, a, T*, B, int, n) { T* c=_________; For (int i=0; in; i++) C I =_________; Return c; } Void, main () { Int, a [5] ={1,2,3,4,5}, B [5] ={10,20,30,40}, *p; P=f (a, B, 5); For (int i=0; i5; i++) Coutp[i]endl; } Answer: new int[n] A [i] +b[i] 3, define the functions of the class date with default values (January 1, 2004) and copy constructors #include iostream.h Class date {private: Int, year, month, day; Public: Date () {year=y; month=m; day=d;} Date () {year=d1.year; month=d1.month; day=d1.day;} }; Void, main () {date D1 (2004,10,8); Date d2=d1; } Answer: int, y=2004, int, m=1, int, d=1 Const date d1 4. The bottom line of the following procedure is filled with the proper words so that the execution of the program is 10. #include iostream.h Class base {int X; Public: Void init (int n {X=n);} / / set X Int Getnum (return) {X*X+1}; / / X value }; Void, main () {base test; Test.init (3); Couttest.Getnum () endl; } 5. Fill in the appropriate words at the bottom line of the following procedure and complete the definition of the member functions in the class. #include iostream.h Class box {private: Int, color, upx, upy, lowx, lowy; Public: Friend, int, samecolor (line, a, box, B); Void, set, _color (int, c) {color=c;} Void, define, _box (int, x1, int, Y1, int, X2, int, Y2) {upx=x1; upy=y1;} }; Class line {private: Int, color, startx, starty, len; Public: Friend, int, samecolor (lin