void iterate() {
printf("size = %d\n", numbers.size());
NumbersIter iter;
for (iter = numbers.begin(); iter != numbers.end(); ++iter) {
printf(" %d\n", *iter);
}
}
int main()
{
int tests;
typedef map<string, int> Numbers;
string x;
int n;
if(scanf("%d\n", &tests));
for(int t = 0; t < tests; ++t)
{
cin >> n;
Numbers nums;
for(int i = 0; i < n; ++i)
{
cin >> x;
sanitise(x);
Numbers::iterator it = nums.find(x);
if(it == nums.end())
{
it = nums.insert(Numbers::value_type(x, 0)).first;
}
it->second++;
}
Numbers::iterator it = nums.begin();
bool found = false;
if(t > 0) printf("\n");
while(it != nums.end())
{
if(it->second > 1)
{
printf("%s %d\n", it->first.c_str(), it->second);
found = true;
}
++it;
}
if(!found)
{
printf("No duplicates.\n");
}
}
return 0;
}
bool ParallelComputeAverages(Numbers const &numbers, Averages &averages)
{
if (numbers.empty())
{
return false;
}
// sort numbers for mode and median
Numbers sorted = numbers;
Averages avgResult;
int modeResult;
double medianResult;
// sort numbers for median / mode
tbb::parallel_sort(sorted);
auto medianFunc = [&medianResult, &sorted]()
{
medianResult = ComputeMedian(sorted);
};
auto avgFunc = [&avgResult, &numbers]()
{
auto grainSize = numbers.size() / thread::hardware_concurrency();
Averages avg{0, 0, 0, 0, 0, 0};
avgResult = tbb::parallel_reduce(
Range(numbers.begin(), numbers.end(), grainSize), avg,
CalcIntermediateAverages,
AddIntermediateAverages);
};
auto modeFunc = [&modeResult, &sorted]()
{
modeResult = ComputeMode(sorted);
};
// invoke parallel execution of calculations
tbb::parallel_invoke(avgFunc, modeFunc, medianFunc);
// set result
double size = (double) numbers.size();
averages.arithmeticMean = avgResult.arithmeticMean / size;
averages.geometricMean = exp(avgResult.geometricMean / size);
averages.harmonicMean = size / avgResult.harmonicMean;
averages.quadraticMean = sqrt(avgResult.quadraticMean / size);
averages.mode = modeResult;
averages.median = medianResult;
return true;
}
bool ComputeAverages(Numbers const &numbers, Averages &averages)
{
if (numbers.empty())
{
return false;
}
Numbers sortedNumbers = numbers;
sort(sortedNumbers.begin(),
sortedNumbers.end()); // sorting required for mode and median
averages.mode = ComputeMode(sortedNumbers);
averages.median = ComputeMedian(sortedNumbers);
ComputeMeans(numbers, averages);
return true;
}
void PrintNumbers(Numbers const &numbers)
{
cout << "Numbers: ";
copy(numbers.begin(), numbers.end(), ostream_iterator<int>(cout, " "));
cout << endl;
}
