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 Here's an example program using the count() algorithm to count the number of occurrences of a specific value in a vector container:#include <iostream>#include <vector>#include <algorithm>using namespace std;int main() {    vector<int> numbers = { 2, 5, 3, 7, 8, 5, 1, 5, 4 };        // count the number of occurrences of the value 5 in the vector    int count = count(numbers.begin(),...