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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int N;
  6.     cin >> N;
  7.  
  8.     vector<int> arr(N * N);
  9.     for (int i = 0; i < N * N; i++) {
  10.         cin >> arr[i];
  11.     }
  12.  
  13.     sort(arr.begin(), arr.end());
  14.  
  15.     int maxCount = 0;
  16.     int currentCount = 0;
  17.     int currentNum = arr[0];
  18.  
  19.     for (int i = 0; i < N * N; i++) {
  20.         if (arr[i] == currentNum) {
  21.             currentCount++;
  22.         } else {
  23.             maxCount = max(maxCount, currentCount);
  24.             currentCount = 1;
  25.             currentNum = arr[i];
  26.         }
  27.     }
  28.  
  29.     maxCount = max(maxCount, currentCount);
  30.  
  31.     cout << maxCount << endl;
  32.  
  33.     return 0;
  34. }
Success #stdin #stdout 1.03s 112600KB
comments (?)
stdin 
Standard input is empty
stdout 
27984100
https://ideone.com/AuRKX1
language:
C++ (gcc 8.3)
created:
19 days ago
visibility:
public

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