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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.     //cout << b << " " << s << " " << c << "\n";
  14.     long long cost = 0;
  15.     if (b > 0)cost += b*price['B'];
  16.     if (s > 0)cost += s*price['S'];
  17.     if (c > 0)cost += c*price['C'];
  18.  
  19.     return cost <= money;
  20. }
  21. long long BS() {
  22.     long long st = 1 , ed = 1e13+3 , md , ans;
  23.     while (st <= ed) {
  24.         md = (st + ed) / 2;
  25.         if (valid (md)) {
  26.             st = md + 1;
  27.             ans = md;
  28.         }
  29.         else {
  30.             ed = md -1;
  31.         }
  32.     }
  33.     return ans ;
  34. }
  35. int main() {
  36.     string s;
  37.     cin >> s;
  38.     for (int i =0 ; i < s.size() ; i ++){
  39.         sandw[s[i]]++;
  40.     }
  41.     cin >> have['B'] >> have['S'] >> have['C'];
  42.     cin >> price['B'] >> price['S'] >> price['C'];
  43.  
  44.     cin >> money;
  45.     cout << BS();
  46.     return 0;
  47. }
  48.  
Success #stdin #stdout 0s 5308KB
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10000000000003
https://ideone.com/oDE40v
language:
C++14 (gcc 8.3)
created:
2 days ago
visibility:
public

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