fork download
copy 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. using ll = long long;
  5. const ll neg = -(1LL << 60);
  6.  
  7. int main() {
  8.  
  9.     int n, m, k;
  10.     cin >> n >> m >> k;
  11.  
  12.     vector<pair<int, ll>> a(n + 1);
  13.     for (int i = 1; i <= n; i++) {
  14.         cin >> a[i].first >> a[i].second;
  15.     }
  16.  
  17.     vector<vector<ll>> dp(k + 1, vector<ll>(m + 1, neg));
  18.     dp[0][0] = 0;
  19.  
  20.     for (int i = 1; i <= n; i++) {
  21.         int w = a[i].first;
  22.         ll v = a[i].second;
  23.         for (int j = k; j >= 1; j--) {
  24.             for (int s = m; s >= w; s--) {
  25.                 if (dp[j - 1][s - w] != neg) {
  26.                     dp[j][s] = max(dp[j][s], dp[j - 1][s - w] + v);
  27.                 }
  28.             }
  29.         }
  30.     }
  31.  
  32.     ll ans = neg;
  33.     for (int s = 0; s <= m; s++) ans = max(ans, dp[k][s]);
  34.  
  35.     cout << (ans == neg ? -1 : ans) << '\n';
  36.     return 0;
  37. }
  38.  
Runtime error #stdin #stdout #stderr 0.01s 5292KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
stderr
copy 
terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc
https://ideone.com/0vOfH3
language:
C++14 (gcc 8.3)
created:
1 day ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!