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  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.         cout << "current char: " << c << endl;
  14.         cout << "current temp: " << tmp << endl;
  15.         cout << "current streak and max " << streak  << " " << maxstreak << endl; 
  16.         if (tmp == "") {
  17.             tmp += c;
  18.             streak++;
  19.         } else {
  20.             string temp = "" + c;
  21.             if (temp == tmp) {
  22.                 cout <<"char " << temp << " matches with" << tmp << endl;
  23.                 streak++;
  24.                 maxstreak = max(streak, maxstreak);
  25.             } else {
  26.                 streak = 1;
  27.             }
  28.  
  29.         }
  30.     }
  31.     cout << maxstreak;
  32. }
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin 
ATTCGGGA
stdout 
current char: A
current temp: 
current streak and max 0 0
current char: T
current temp: A
current streak and max 1 0
current char: T
current temp: A
current streak and max 1 0
current char: C
current temp: A
current streak and max 1 0
current char: G
current temp: A
current streak and max 1 0
current char: G
current temp: A
current streak and max 1 0
current char: G
current temp: A
current streak and max 1 0
current char: A
current temp: A
current streak and max 1 0
0
https://ideone.com/YNRrFF
language:
C++14 (gcc 8.3)
created:
4 hours ago
visibility:
public

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