fork download 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. typedef long long iint;
  4.  
  5. int main() {
  6.     string s;
  7.     cin >> s;
  8.     string tmp = "";
  9.     int streak = 0;
  10.     int maxstreak = 0;
  11.     // ATTCG
  12.     for (char c : s) {
  13.         if (tmp == "") {
  14.             tmp += c;
  15.             streak++;
  16.             maxstreak = max(streak, maxstreak);
  17.         } else {
  18.             string temp = "" + c;
  19.             if (temp == tmp) {
  20.                 streak++;
  21.                 maxstreak = max(streak, maxstreak);
  22.             } else {
  23.                 streak = 1; 
  24.                 tmp = temp;
  25.             }
  26.  
  27.         }
  28.     }
  29.     cout << maxstreak;
  30. }
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin 
AAAAAA
stdout 
5
https://ideone.com/MnQPpm
language:
C++14 (gcc 8.3)
created:
4 hours ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!