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  1. #pragma GCC optimize ("Ofast")
  2. #include<bits/stdc++.h>
  3. using namespace std;
  4. #define main dummy_main
  5. int main(){
  6.   return 0;
  7. }
  8. #undef main
  9. int N;
  10. int D;
  11. int P[300];
  12. int now;
  13. class Cashier{
  14.   public:
  15.   Cashier(int n, int discount, vector<int>& products, vector<int>& prices){
  16.     int i;
  17.     N = n;
  18.     D = discount;
  19.     now = 0;
  20.     for(i=(0);i<(products.size());i++){
  21.       P[products[i]] = prices[i];
  22.     }
  23.   }
  24.   double getBill(vector<int> product, vector<int> amount){
  25.     int i;
  26.     double res = 0;
  27.     for(i=(0);i<(product.size());i++){
  28.       res += P[product[i]] * amount[i];
  29.     }
  30.     if(++now==N){
  31.       now = 0;
  32.       res *= (100 - D) / 100.0;
  33.     }
  34.     return res;
  35.   }
  36. }
  37. ;
  38. // cLay varsion 20200217-1
  39.  
  40. // --- original code ---
  41. // #define main dummy_main
  42. // {}
  43. // #undef main
  44. // 
  45. // int N, D, P[300], now;
  46. // 
  47. // class Cashier {
  48. // public:
  49. //   Cashier(int n, int discount, vector<int>& products, vector<int>& prices) {
  50. //     N = n;
  51. //     D = discount;
  52. //     now = 0;
  53. //     rep(i,products.size()) P[products[i]] = prices[i];
  54. //   }
  55. // 
  56. //   double getBill(vector<int> product, vector<int> amount) {
  57. //     double res = 0;
  58. //     rep(i,product.size()) res += P[product[i]] * amount[i];
  59. //     if(++now==N){
  60. //       now = 0;
  61. //       res *= (100 - D) / 100.0;
  62. //     }
  63. //     return res;
  64. //   }
  65. // };
  66.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/8/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x20): undefined reference to `main'
collect2: error: ld returned 1 exit status
stdout
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Standard output is empty
https://ideone.com/IYZr9G
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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