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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int main(){
  4.     int a; cin >> a;
  5.     map<int,int> b;
  6.     for(int i=0;i<a;i++){
  7.         int c; cin >> c;
  8.         b[c]++;
  9.     }
  10.     for(auto x:b) cout << x.first << " " << x.second << "\n";
  11. }
  12.  
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin
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8
1 2 7 2 2 3 7 7
stdout
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1 1
2 3
3 1
7 3
https://ideone.com/Zg8wkS
language:
C++ (gcc 8.3)
created:
11 hours ago
visibility:
public

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