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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main(){
  5.  
  6.     string s;
  7.     cin>>s;
  8.     int x_block=0,y_block=0;
  9.     int x_freq=0,minX=INT_MAX,y_block_freq=INT_MIN;
  10.  
  11.     int n=s.length();
  12.     int i=0;
  13.     while(i<n){
  14.         if(s[i]=='x'){
  15.             x_block++;
  16.             int cnt=0;
  17.             while(i<n && s[i]=='x'){
  18.                 x_freq++;
  19.                 i++;
  20.                 cnt++;
  21.             }
  22.             minX=min(minX,cnt);
  23.         }else{
  24.             y_block++;
  25.             int cnt=0;
  26.             while(i<n && s[i]=='y'){
  27.                 i++;
  28.                 cnt++;
  29.             }
  30.             y_block_freq=max(y_block_freq,cnt);
  31.         }
  32.     }
  33.  
  34.     if(y_block==0 || x_block==0){
  35.         cout<<"0"<<endl;
  36.         return 0;
  37.     }
  38.  
  39.     if(y_block>=x_block || y_block_freq>=2){
  40.         cout<<x_freq<<endl;
  41.     }else{
  42.         cout<<x_freq-minX<<endl;
  43.     }
  44.  
  45.     return 0;
  46. }
Success #stdin #stdout 0.01s 5280KB
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https://ideone.com/9CoMbr
language:
C++ (gcc 8.3)
created:
12 days ago
visibility:
public

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