?? counting.cpp
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//: C05:Counting.cpp
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 2000
// Copyright notice in Copyright.txt
// The counting algorithms
#include "PrintSequence.h"
#include "Generators.h"
#include <vector>
#include <algorithm>
using namespace std;
int main() {
vector<char> v;
generate_n(back_inserter(v), 50, CharGen());
print(v, "v", "");
// Create a set of the characters in v:
set<char> cs(v.begin(), v.end());
set<char>::iterator it = cs.begin();
while(it != cs.end()) {
int n = count(v.begin(), v.end(), *it);
cout << *it << ": " << n << ", ";
it++;
}
int lc = count_if(v.begin(), v.end(),
bind2nd(greater<char>(), 'a'));
cout << "\nLowercase letters: " << lc << endl;
sort(v.begin(), v.end());
print(v, "sorted", "");
} ///:~
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