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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. using ll = long long;
  4. const int MAXN = 1e5 + 5;
  5.  
  6.  
  7. int s, n, v[MAXN], w[MAXN], k[MAXN], dp[MAXN];
  8.  
  9. void sub1(){
  10.     for(int i = 1; i <= n; ++i){
  11.         for(int j = s; j >= w[i]; --j){
  12.             dp[j] = max(dp[j], dp[j - w[i]] + v[i]);
  13.         }
  14.     }
  15.     cout << dp[s];
  16. }
  17.  
  18. void sub2(){
  19.     for(int i = 1; i <= n; ++i){
  20.         for(int j = s; j >= w[i]; --j){
  21.             for(int q = 1; q <= k[i] and q * w[i] <= j; ++q){
  22.                 dp[j] = max(dp[j], dp[j - q * w[i]] + q * v[i]);
  23.             }
  24.         }
  25.     }
  26.  
  27.     cout << dp[s];
  28. }
  29.  
  30. signed main(){
  31.     ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  32.     freopen("B4.inp", "r", stdin);
  33.     freopen("B4.out", "w", stdout);
  34.     cin >> s >> n; int maxk = 0;
  35.     for(int i = 1; i <= n; ++i){
  36.         cin >> v[i] >> w[i] >> k[i];
  37.         maxk = max(maxk, k[i]);
  38.     }
  39.  
  40.     if(maxk == 1) sub1();
  41.     else sub2();
  42.  
  43.  
  44.  
  45.     return 0;
  46. }
Success #stdin #stdout 0.01s 5276KB
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https://ideone.com/RLBRW5
language:
C++14 (gcc 8.3)
created:
38 days ago
visibility:
public

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