count function c++

// my linkedin : https://www.linkedin.com/in/vaalarivan-prasanna-3a07bb203/
vector<int> vec = {1, 2, 1, 1};
cout << count(vec.begin(), vec.end(), 1); 
// 3 is printed as 1 occurs thrice in the vector

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3.7

10

Jacinto 80 points

                                    1 #include &lt;iostream&gt;
2 #include &lt;array&gt;
3 #include &lt;algorithm&gt;
4
5 using namespace std;
6
7 int main(){
8 array&lt;int, 5&gt; nums = {1, 2, 3, 100, 2};
9 //counting number of twos
10 int numOccurrences = count(nums.begin(), nums.end(), 2);
11 cout &lt;&lt; 2 &lt;&lt; &quot; appeared &quot; &lt;&lt; numOccurrences &lt;&lt; &quot; times&quot; &lt;&lt; endl;
12 return 0;
13 }
14
15 /*
16 2 appeared 2 times
17 */

Thank you! 10

3.7 (10 Votes)

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