Frequency
Frequency using array and mapPEGG
c_cpp
10 months ago
769 B
3
Indexable
#include <iostream> #include <algorithm> #include <vector> #include <map> using namespace std; int main() { //using array int arr[]={3,3,2,1,5,3,2,1,4}; int size=sizeof(arr)/sizeof(arr[0]); vector <int> freq(10); for (int j = 0; j < size ; ++j) { freq[arr[j]]++; } for (int i = 0; i < 10 ; ++i) { if(freq[i]>0) { cout << i << " " << freq[i]; cout << endl; } } // using map map<int,int> m; int s; cin>>s; for (int i = 0; i < s ; ++i) { int in; cin>>in; m[in]++; } for (auto mm : m) { cout<<mm.first<<" "<<mm.second <<endl; } return 0; }
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