?? stringdeque.cpp
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//: C20:StringDeque.cpp
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
// Converted from StringVector.cpp
#include "../require.h"
#include <string>
#include <deque>
#include <vector>
#include <fstream>
#include <iostream>
#include <iterator>
#include <sstream>
#include <ctime>
using namespace std;
int main(int argc, char* argv[]) {
requireArgs(argc, 1);
ifstream in(argv[1]);
assure(in, argv[1]);
vector<string> vstrings;
deque<string> dstrings;
string line;
// Time reading into vector:
clock_t ticks = clock();
while(getline(in, line))
vstrings.push_back(line);
ticks = clock() - ticks;
cout << "Read into vector: " << ticks << endl;
// Repeat for deque:
ifstream in2(argv[1]);
assure(in2, argv[1]);
ticks = clock();
while(getline(in2, line))
dstrings.push_back(line);
ticks = clock() - ticks;
cout << "Read into deque: " << ticks << endl;
// Now compare indexing:
ticks = clock();
for(int i = 0; i < vstrings.size(); i++) {
ostringstream ss;
ss << i;
vstrings[i] = ss.str() + ": " + vstrings[i];
}
ticks = clock() - ticks;
cout << "Indexing vector: " << ticks << endl;
ticks = clock();
for(int j = 0; j < dstrings.size(); j++) {
ostringstream ss;
ss << j;
dstrings[j] = ss.str() + ": " + dstrings[j];
}
ticks = clock() - ticks;
cout << "Indexing deqeue: " << ticks << endl;
// Compare iteration
ofstream tmp1("tmp1.tmp"), tmp2("tmp2.tmp");
ticks = clock();
copy(vstrings.begin(), vstrings.end(),
ostream_iterator<string>(tmp1, "\n"));
ticks = clock() - ticks;
cout << "Iterating vector: " << ticks << endl;
ticks = clock();
copy(dstrings.begin(), dstrings.end(),
ostream_iterator<string>(tmp2, "\n"));
ticks = clock() - ticks;
cout << "Iterating deqeue: " << ticks << endl;
} ///:~
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