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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main(){
  5. 	int n; 
  6.     cin >> n;
  7.     string s;
  8.     int ans = 0;
  9.     for (int i = 1; i <= n; i ++){
  10.     	cin >> s;
  11.         int d = 0; 
  12.         for (int j = 0; j < s.size(); j ++){
  13.             d = (d * 10 + (s[j] - '0')) % 90;
  14.         }
  15.         if ( d == 0 ) ans ++; 
  16.     }
  17.     cout << ans;
  18.     return 0; 
  19. }
Success #stdin #stdout 0.01s 5304KB
comments (?)
stdin
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4
90
10
90
27052023
stdout
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2
https://ideone.com/p0sB1Y
language:
C++14 (gcc 8.3)
created:
12 days ago
visibility:
public

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