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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4. int main(){
  5.     int a, b = 0, c = 0, d = 1, e = 0, f;
  6.     cin >> a;
  7.     do{
  8.         if(a != 0 && b == 0){
  9.     		if(c != a && e == 0){
  10.     			d++;
  11.     		}
  12.     		else{
  13.     			e++;
  14.     		}
  15.             c = a;
  16.         }
  17.         else{
  18.             b++;
  19.         }
  20.     }while(cin >> a);
  21.     cout << d;	
  22.     return 0;
  23. }
Success #stdin #stdout 0s 5320KB
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1 7 7 9 1 0
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3
https://ideone.com/H7mTBI
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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