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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int digit_sum(int n) {
  5.     int res = 0;
  6.     while (n > 0) {
  7.         res += n%10;
  8.         n /= 10;
  9.     }
  10.     return res;
  11. }
  12.  
  13. int main() {
  14.     int t;
  15.     cin >> t;
  16.     while (t--) {
  17.         int x;
  18.         cin >> x;
  19.  
  20.         int ans = 0;
  21.         for (int dy=1; dy <= 81; dy++) {
  22.             int y = x + dy;
  23.             if (digit_sum(y) == dy)
  24.                 ans++;
  25.         }
  26.         cout << ans << "\n";
  27.     }
  28.     return 0;
  29. }
Success #stdin #stdout 0s 5320KB
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stdin
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3
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18
998244360
stdout
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0
10
10
https://ideone.com/63k9sF
language:
C++ (gcc 8.3)
created:
3 hours ago
visibility:
public

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