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  1. #include <iostream>
  2. #include <vector>
  3. #include <bits/stdc++.h>
  4. using namespace std;
  5.  
  6. long long N, W;
  7.  
  8. long long w[110], v[110];
  9.  
  10. long long dp[110][100010];
  11.  
  12. long long f(int pos, long long cur) {
  13.     if(cur > W) return -1000000000;
  14.     if(pos == N) return 0;
  15.     if(dp[pos][cur] == -1) {  
  16.         long long ans = -1000000000;
  17.         //tomar
  18.         ans = max(ans, f(pos + 1, cur + w[pos]) + v[pos]);
  19.         //no tomar
  20.         ans = max(ans, f(pos + 1, cur));
  21.         dp[pos][cur] = ans;
  22.     }
  23.  
  24.     return dp[pos][cur];
  25. }
  26.  
  27. int main () {
  28.     #ifndef ONLINE_JUDGE
  29.         freopen("input.txt", "r", stdin);
  30.         freopen("output.txt", "w", stdout);
  31.     #endif
  32.     cin >> N >> W;
  33.     for(int i = 0; i < N; i++)
  34.         cin >> w[i] >> v[i];
  35.     memset(dp, -1, sizeof dp);
  36.     cout << f(0, 0) << "\n";
  37.  
  38.     return 0;
  39. }
Success #stdin #stdout 0.02s 89596KB
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https://ideone.com/qIsdy8
language:
C++ (gcc 8.3)
created:
7 days ago
visibility:
public

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