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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4. #define int long long
  5. #define yes cout << "YES\n";
  6. #define no cout << "NO\n";
  7.  
  8.  
  9. void FastIO(){
  10.     ios_base::sync_with_stdio(false);
  11.     cin.tie(nullptr);
  12.     cout.tie(nullptr);
  13. }
  14.  
  15. int w(string str, char left, char right){
  16.     for(int j = str.size()-1; j >= 0; j--){
  17.         if(str[j] == right){
  18.             for(int i = j-1; i >= 0; i--){
  19.                 if(str[i] == left){
  20.                     return (str.size() - j - 1) + (j - i - 1);
  21.                 }
  22.             }
  23.         }
  24.     }
  25.     return LLONG_MAX;
  26. }
  27.  
  28. void solve(){
  29.     int n;
  30.     cin >> n;
  31.  
  32.     if(n%25 == 0){
  33.         cout << 0 << '\n';
  34.         return;
  35.     }
  36.  
  37.     string s = to_string(n);
  38.  
  39.     int a = LLONG_MAX;
  40.  
  41.     a = min(a, w(s,'2','5'));
  42.     a = min(a, w(s,'7','5'));
  43.     a = min(a, w(s,'5','0'));
  44.     a = min(a, w(s,'0','0'));
  45.  
  46.     cout << a << '\n';
  47. }
  48.  
  49.  
  50. signed main(){
  51.     FastIO();
  52.  
  53.     int t = 1;
  54.     cin >> t;
  55.  
  56.     while (t--){
  57.         solve();
  58.     }
  59.     return 0;
  60. }
Success #stdin #stdout 0s 5312KB
comments (?)
stdin
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5
100
71345
3259
50555
2050047
stdout
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0
3
1
3
2
https://ideone.com/3guNNQ
Make it divisible by 25
language:
C++14 (gcc 8.3)
created:
6 days ago
visibility:
public

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