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  1. #include <iostream>
  2. #include "vector"
  3. #include "algorithm"
  4. #include "map"
  5. using namespace std;
  6. map < char , long long > sandw , have , price;
  7. long long money ;
  8. bool valid(long long md){
  9.     long long b = sandw['B'] * md , s = sandw['S'] *md , c = sandw['C'] *md;
  10.     b-=have['B'];
  11.     s-=have['S'];
  12.     c-=have['C'];
  13.     long long cost = 0;
  14.     if (b > 0)cost += b*price['B'];
  15.     if (s > 0)cost += s*price['S'];
  16.     if (c > 0)cost += c*price['C'];
  17.  
  18.     return cost <= money;
  19. }
  20. long long BS() {
  21.     long long st = 1 , ed = 1e12+3 , md , ans;
  22.     while (st <= ed) {
  23.         md = (st + ed) / 2;
  24.         if (valid (md)) {
  25.             st = md + 1;
  26.             ans = md;
  27.         }
  28.         else {
  29.             ed = md -1;
  30.         }
  31.     }
  32.     return ans ;
  33. }
  34. int main() {
  35.     string s;
  36.     cin >> s;
  37.     for (int i =0 ; i < s.size() ; i ++){
  38.         sandw[s[i]]++;
  39.     }
  40.     cin >> have['B'] >> have['S'] >> have['C'];
  41.     cin >> price['B'] >> price['S'] >> price['C'];
  42.  
  43.     cin >> money;
  44.     cout << BS();
  45.     return 0;
  46. }
  47.  
Success #stdin #stdout 0.01s 5292KB
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Standard input is empty
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1000000000003
https://ideone.com/7Q4iFU
language:
C++14 (gcc 8.3)
created:
12 days ago
visibility:
public

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