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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4.  
  5. int main(){
  6.     int periodo, n;
  7.     while(cin >> periodo >> n) {
  8.         vector<int> a(n);
  9.         for(int i = 0; i < n; i++)
  10.             cin >> a[i];
  11.         int mx = 0, low = -1, high = -1;
  12.         for(int i = 0; i < n; i++) {
  13.             int inicio = a[i];
  14.             int fin = a[i] + periodo - 1; //2006
  15.             int aa = i, bb = n;
  16.             while(bb - aa > 1) {
  17.                 int c = (aa + bb) / 2;
  18.                 if(a[c] <= fin)
  19.                     aa = c;
  20.                 else
  21.                     bb = c;
  22.             }
  23.             int cont = aa - i + 1; 
  24.             if(cont > mx) {
  25.                 mx = cont;
  26.                 low = inicio;
  27.                 high = a[aa];
  28.             }
  29.         }
  30.         cout << mx << " " << low << " " << high << "\n";
  31.     }
  32.     return 0;
  33. }
Success #stdin #stdout 0.01s 5280KB
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https://ideone.com/vI5oaG
language:
C++ (gcc 8.3)
created:
6 days ago
visibility:
public

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