Submission #1557447

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

int main() {
  int N;
  cin >> N;
  int a[N];
  for(int i = 0; i < N; i++) {
    cin >> a[i];
  }
  int ans = 0;

  for(int i = -1; i <= 1; i++) {
    int X = a[0] + i;
    int cnt = 0;
    for(int j = 0; j < N; j++) {
      if(abs(a[j] - X) <= 1) {
        cnt += 1;
      }
    }
    ans = max(ans, cnt);
  }

  cout << ans << endl;


}

Submission Info

Judge Result