c109sp02t1 - CSc 109 Test 1 Wednesday 27 February 2002...

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CSc 109 Test 1 Wednesday 27 February 2002 >>>>>>>>>>>>>>>>>>>SUGGESTED ANSWERS<<<<<<<<<<<<<<<<<<<<<<<<<<<<<,, 1. (20 pts) Write a program which, when called, determines which of the files named in the parameter list exist. For example, if the file p1 contains the compiled program, the call p1 a b c p1 would produce the output (assuming the directory contains the files a, c, and p1 but not b) The following files exist: a p1 c The call p1 would produce the output The following files exist: #include <fstream.h> int main(int ct,char *arg[]) {ifstream in; cout<<"The following files exist: "; for(int j=1;j<ct;j++) {in.open(arg[j]); if(in.good()) {cout<<arg[j]<<" "; in.close(); } } return 0; } 2. (20 pts) Assume that class A is a subclass of class B, that the declarations for class A and class B are stored in a.h and b.h, respectively, that the code is stored in a.cc and b.cc, and that p1.cc contains the code of a program which uses class A. Write the contents of a makefile for separate compilation of a.cc, of b.cc, and of p1.cc. #I should compile with -Wall and -Werror, but no points lost if I don't
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This note was uploaded on 03/09/2008 for the course CSE 109 taught by Professor Kay during the Spring '08 term at Lehigh University .

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c109sp02t1 - CSc 109 Test 1 Wednesday 27 February 2002...

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