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  1. #include <algorithm>
  2. #include <cassert>
  3. #include <sstream>
  4. #include <cmath>
  5. #include <cstdio>
  6. #include <cstring>
  7. #include <iostream>
  8. #include <map>
  9. #include <set>
  10. #include <string>
  11. #include <vector>
  12.  
  13. using namespace std;
  14. #pragma warning(disable:4996)
  15.  
  16. long long dp[10005];
  17.  
  18. int main() {
  19.     int n, m;
  20.  
  21.     double _m;
  22.     while(1) {
  23.         cin >> n >> _m;
  24.         if(!n) break;
  25.         m = (int)(_m * 100 + 1e-9);
  26.  
  27.         memset(dp, 0, sizeof(dp));
  28.  
  29.         for(int i = 0; i < n; ++ i) {
  30.             int c; double _p; int p;
  31.             cin >> c >> _p;
  32.             p = (int)(_p * 100 + 1e-9);
  33.  
  34.             for(int j = p; j <= m; ++ j) {
  35.                 dp[j] = max(dp[j], dp[j - p] + c);
  36.             }
  37.         }
  38.  
  39.         cout << *max_element(dp, dp + m + 1) << endl;
  40.     }
  41.  
  42.     return 0;
  43. }
Success #stdin #stdout 0s 3552KB
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https://ideone.com/fyXVYa
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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