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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. #define ll long long
  5.  
  6. ll dp[5001][496];
  7.  
  8. ll solve(ll k , ll f , ll x){
  9.     if(k == 0){
  10.         if(x == 0) return 0;
  11.         return 1e9;
  12.     }
  13.  
  14.     if(dp[k][x] != -1){
  15.         return dp[k][x];
  16.     }
  17.  
  18.     ll ans = 1e12;
  19.  
  20.     for(int i=1;i<10;i++){
  21.         if(k >= i){
  22.            ans = min(ans , solve(k-i , f , ((10 * x) + i) % f) + 1);
  23.         }
  24.     }
  25.  
  26.     return dp[k][x] = ans;
  27. }
  28.  
  29. int main(){
  30.     ll f , k;
  31.     cin>>k>>f;
  32.  
  33.     memset(dp,-1,sizeof(dp));
  34.  
  35.     ll ans = solve(k,f,0);
  36.  
  37.     cout<<ans<<endl;
  38. return 0;
  39. }
  40.  
Runtime error #stdin #stdout 0.01s 22728KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/ehKWyD
language:
C++ (gcc 8.3)
created:
1 year ago
visibility:
secret

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